Tires

2004 Toyota Sienna Tires & Services


2004 Toyota Sienna Tires

Recommended Tires | Tire Information

2004 Toyota Sienna Tires Sizes, Speed Ratings, and Inflation

Not sure about your 2004 Toyota Sienna tire size? Use the following chart to find information on tire size, speed rating, and inflation.

Trim Level Speed Rating Inflation in PSI F/R Tire Size
2004 Toyota Sienna CE T 35 PSI/35 PSI P215/65R16
2004 Toyota Sienna XLE Limited T 35 PSI/35 PSI P225/60R17
2004 Toyota Sienna LE* T 35 PSI/35 PSI P215/65R16
2004 Toyota Sienna LE* T 35 PSI/35 PSI P225/60R17
2004 Toyota Sienna LE* T 35 PSI/35 PSI P225/60R17
2004 Toyota Sienna XLE* T 35 PSI/35 PSI P215/65R16
2004 Toyota Sienna XLE* T 35 PSI/35 PSI P225/60R17
2004 Toyota Sienna XLE* T 35 PSI/35 PSI P225/60R17

2004 Toyota Sienna CE

P215/65R16

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna XLE Limited

P225/60R17

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna LE*

P215/65R16

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna LE*

P225/60R17

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna LE*

P225/60R17

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna XLE*

P215/65R16

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna XLE*

P225/60R17

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

2004 Toyota Sienna XLE*

P225/60R17

Speed Rating: T

Inflation F/R: 35 PSI/35 PSI

* Note: these models have different tire sizes depending on vehicle options.

Recommended Tires for Your 2004 Toyota Sienna

What tires are best for a 2004 Toyota Sienna? Check out the following tire brands and types.

Bridgestone Blizzak WS90
Blizzak WS90

  • No warranty
  • Winter
  • Winter
Bridgestone Ecopia EP422 Plus
Ecopia EP422 Plus

  • Platinum Pact Limited Warranty
  • All-Season
  • Performance
Bridgestone Dueler H/P Sport
Dueler H/P Sport

  • Platinum Pact Limited Warranty
  • Summer
  • Light Truck Tires
Bridgestone WEATHERPEAK
WEATHERPEAK

  • Platinum Pact Limited Warranty
  • All-Season
  • Passenger Tires
Bridgestone Turanza EL440
Turanza EL440

  • No warranty
  • All-Season
  • Performance
Bridgestone Blizzak DM-V2
Blizzak DM-V2

  • No warranty
  • Winter
  • Winter
Bridgestone Ecopia H/L 422 Plus
Ecopia H/L 422 Plus

  • Platinum Pact Limited Warranty
  • All-Season
  • Light Truck Tires
Firestone ALL SEASON
ALL SEASON

  • No warranty
  • All-Season
  • Passenger Tires
Firestone Destination LE3
Destination LE3

  • No warranty
  • All-Season
  • Light Truck Tires
Firestone WEATHERGRIP
WEATHERGRIP

  • No warranty
  • All-Season
  • Passenger Tires
Firestone Destination A/T2
Destination A/T2

  • Gold Pledge Limited Warranty
  • All-Season
  • Light Truck Tires
Firestone Destination LE2
Destination LE2

  • Gold Pledge Limited Warranty
  • All-Season
  • Light Truck Tires
Firestone Firehawk AS V2
Firehawk AS V2

  • No warranty
  • All-Season
  • Performance
SUREDRIVE ALL-Season
ALL-Season

  • No warranty
  • All-Season
  • Passenger Tires
SUREDRIVE Touring A/S
Touring A/S

  • No warranty
  • All-Season
  • Passenger Tires
Toyo Extensa A/S II
Extensa A/S II

  • No warranty
  • All-Season
  • Passenger Tires
Toyo OPEN COUNTRY A/T III
OPEN COUNTRY A/T III

  • No warranty
  • All-Season
  • Light Truck Tires

About 2004 Toyota Sienna Tires

Beyond the correct tire size, you also want to think about a couple of other things when getting new Toyota Sienna tires like where and how you drive, and what tire brand you trust most. Think about where you live (countryside vs. city vs. mountains) and the kind of unexpected weather you're likely to experience when evaluating your driving conditions. Drivers in states that fully experience all four seasons often buy two sets of tires: one for winter and one for summer. Other drivers buy one set of all-season tires instead. That way they don't have to return to the tire shop and their vehicle is always ready for sun, rain, and light snow!

Driving style is next on the list to think about when buying tires. If you're a diehard off-roader, you have very different tire needs than a highway commuter who doesn't leave the paved path. Browse Toyota Sienna tires online or come to your nearby Firestone Complete Auto Care for help selecting the tire that's right for you.

Toyota Sienna Installation and More

Firestone Complete Auto Care has been a leading tire provider for more than a century. We're a tire store that also offers professional tire installation, maintenance, and rotation, along with complete auto care. We make it easy to buy new 2004 Toyota Sienna tires online and book an installation appointment at the same time.

Questions About 2004 Toyota Sienna Tires

  • Is Toyota tire inflation important? A small decrease in tire pressure can have a big impact on your driving. Maintaining proper tire pressure can help improve braking time, increase fuel economy, and boost tire lifespan.
  • Why are there numbers on the side of my Toyota Sienna tires? The numbers on your tire sidewall give you information about tire speed rating, traction, treadwear, tire size, and load carrying capacity. Chat with a tire technician to learn how to read the numbers on your Toyota tires!
  • Can I check the tread depth on my Toyota tires at home? Stay on top of your tire tread depth to help avoid a dangerous drive. You can check tread depth with a penny. Hold the penny so that Abraham Lincoln is facing you, then place your penny into a tread groove upside down. If you can see the top of Abe’s head, your tread is shallow and it might be time for new Toyota Sienna tires. Grab a penny. Hold the so that Abe Lincon's head is facing you and his hair is pointing toward the ground. Then, place the penny into a tread groove. If you can see the top of Abe’s head, your tread is shallow and it might be time for new Toyota Sienna tires.

2004 Toyota Sienna Repair Information

For most drivers, the words “car repair” don’t exactly spark excitement. But we work to provide you with a different experience at Firestone Complete Auto Care. When it’s time for 2004 Toyota Sienna repair services, head to your nearest Firestone location and our technicians will take care of your Sienna like it was their own. We’ll start by assessing what repairs may be needed, and we’ll provide you with a detailed explanation of what we recommend. We’ll never recommend a repair we don’t think is necessary for your safety or the performance of your Toyota.

How Much Does Toyota Sienna Repair Cost?

The cost to repair your 2004 Toyota Sienna depends on what kind of repair you need, the cost of any replacement parts, how much labor the repair will take, and where you live. No matter what state you’re in, be sure to look through our offers and online coupons for repairs.

A few different aspects can influence repair costs for your 2004 Toyota Sienna, like

2004 Toyota Sienna Auto Repair Q&A

  • Can scheduled maintenance help me avoid repairs? One of the best ways to prevent 2004 Toyota Sienna repairs is by staying on top of your Toyota maintenance schedule. This schedule is written by the people who made your vehicle and they know best how to keep it running smoothly.
  • Should I bring my Toyota in even if I can't pinpoint the problem? No, we’re not talking about finding the best jams on the radio! You know your car best, and you’re the first person who will notice if something doesn’t feel right (like new smells, sights, or sounds coming from your car). If you sense that something is 'off,' stop in for a Courtesy Check to have these symptoms checked out ASAP. Early action could help you prevent Toyota Sienna repairs.
  • Do I have to get the repairs you recommend for my Toyota? Trust is more than just a saying on the wall. It’s a window underneath it. That’s why we won’t recommend services or repairs for your 2004 Toyota Sienna unless we think they’re vital to your safety on the road.

Brake Repair for Your 2004 Toyota Sienna

Your Toyota Sienna engine may be strong and reliable. But if you can’t brake, it might as well be scrap metal. If you notice your brakes are squeaking or not working well, don’t wait! Safe driving and responsive brakes go hand in hand. Plus, waiting can lead to more expensive parts wearing out and requiring replacement. Get your 2004 Toyota Sienna brakes fixed at Firestone Complete Auto Care. We offer a variety of brake services like brake pad/shoe removal and replacement, brake rotor/drum refinishing, brake fluid exchange, and brake caliper and wheel cylinder installation.

Toyota Sienna Brakes Questions

  • What can cause my Sienna to shake when I apply the brakes? Your Sienna could shake when you brake due to worn brake pads or rotors, warped rotors, loose or worn suspension components, or faulty brake calipers. You can always schedule a free brake inspection at the first sign of strange brake behavior.
  • What is the average lifespan of Sienna brake pads? Brake pads generally last between 30,000 and 40,000 miles. Your driving can affect how long your Sienna brake pads last, though. For example, mainly driving on highways and gradually braking can help increase the lifespan of your brake pads, and carrying hefty loads or riding your brakes can shorten it.
  • Is it bad if my Sienna is leaking brake fluid when off? Because your Sienna brake system is a closed hydraulic system, it should not leak brake fluid. However, if components in your brake system have worn out or been damaged, it might cause brake fluid to leak.

Repairing Your Toyota Sienna Drivetrain

Drivetrains for front, rear, and all-wheel-drive and 4WD vehicles are quite different, so you don't want to go to just anyone for drivetrain repair. You want to visit Firestone Complete Auto Care. We can fix many 2004 Toyota Sienna drivetrain components Your Toyota could be crying out for driveshaft repair if you notice vibration as your vehicle accelerates, clunks when shifting, heavy vibrations in your floorboards, or resistance when turning.

Questions About 2004 Toyota Sienna

  • What are the symptoms of a damaged Toyota drivetrain system? Your Toyota Sienna drivetrain might be damaged if you notice strange noises from the rear of your vehicle, see fluid leaking, or have issues turning.
  • Why is my Sienna malfunction indicator light (MIL) on? Engine problems, transmission problems, faulty sensors, electrical issues, misfire issues, and connector problems could all cause your Sienna’s malfunction warning light, or better known as the check engine light, to illuminate.
  • How worried should I be about a drivetrain malfunction in my Sienna? If your Sienna has a drivetrain malfunction, don't wait. Get it checked out by a professional mechanic. Identifying the underlying cause and performing the appropriate repairs right away can help prevent further damage and avoid unsafe driving conditions.

Wheel Alignment for 2004 Toyota Sienna

With an alignment service, adjustments are made to your Toyota Sienna’s suspension system, which serves to attach your wheels to your vehicle. During the service, calculated changes are made to the angles of your tires. This is so that your tires hit the road at an optimal angle for your vehicle’s performance — just as Toyota intended. When you bring in your 2004 Toyota Sienna, we’ll perform an alignment check first. Then, we’ll adjust the angles as needed until they match recommended measurements from Toyota.

Toyota Sienna Alignment Questions

  • What can knock my Toyota Sienna out of alignment? Potholes and uneven roads can knock your car out of alignment, so stay aware of the road ahead and adjust your speed (or avoid these obstacles whenever it’s safely possible).
  • When should you get a wheel alignment for your Sienna? It’s usually suggested you check your alignment about every 6,000 miles or 6 months (whichever occurs first). Still, you should reference your Sienna owner’s manual for Toyota's recommended interval.
  • Do you need to get your Sienna wheels aligned when you get new tires? It’s likely not a requirement to get an alignment when you install new tires on your Sienna, but it's a smart idea to do so anyway. An alignment can help ensure even tire wear, smooth handling, and better fuel efficiency.

2004 Toyota Sienna Engine Services

If your 2004 Toyota Sienna needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2004 Sienna engine repairs and you can feel good knowing that we only use Toyota-compliant replacement parts such as the timing belt, motor oil seal, ignition coil, or other parts.

2004 Toyota Sienna Engine Q&A

  • Why does the check engine light in my Sienna turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your Sienna testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
  • Why is my Toyota Sienna making engine noise? Strange engine sounds can be a sign something’s off in your Toyota Sienna. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
  • What could damage my Toyota Sienna engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

2004 Toyota Sienna Tire Repair

Firestone Complete Auto Care is here for you when your 2004 Toyota Sienna needs flat tire repair or inspection. Our tire technicians can determine whether it's safe to plug and patch the tire, or whether it needs to be replaced. We’ll begin by taking a look at where the damage is, the type and extent of the tire damage, and how all of your tires are wearing.

If your 2004 Toyota Sienna tire puncture can be repaired, we'll follow three basic steps to repair it: (1) Separate the tire from the vehicle wheel, (2) use a filler to close up the puncture (this is to keep moisture from getting in), and (3) seal the inner liner with a repair unit to prevent air loss.

Frequently Asked Toyota Sienna Tire Repair Questions

  • Can I drive my Toyota on a flat tire? Driving on a flat tire is not a good idea. Your Sienna engine will keep running with a flat tire, but you could damage your wheel by continuing to drive on a flat.
  • Is temporary sealant bad for my Toyota's tires? A temporary sealant may be able to help you get to a repair location safely. But temporary or emergency sealants could possibly damage TPMS sensors, and in some cases may even void the warranty on your Bridgestone or Firestone tires. If your tire needs extensive repair, sealant can add time and labor costs to the process.
  • Why do the tires on my Sienna keep losing air? Tire punctures, damaged wheels, and leaking valve stems are possible reasons for your Sienna tires continuously losing air.

Guide to 2004 Toyota Sienna Scheduled Maintenance

There's no need to guess when it's time to get Sienna maintenance, and no need to wait until something goes wrong. Just follow your 2004 Toyota Sienna maintenance schedule! This recommended maintenance schedule is written by the auto manufacturer, Toyota themselves. Scheduled maintenance services can vary depending on driving conditions, climate, and other factors; in most cases, though, recommended maintenance will consist of services like fluid exchanges, filter changes, new brake pads, oil changes, and tire rotations. Scheduling routine service appointments is one of the best ways to help extend your Sienna's life, increase your vehicle safety, and help you avoid expensive repairs caused by 2004 Toyota Sienna problems later.

Essential Maintenance to Keep Your 2004 Toyota Sienna Running Newer, Longer

Come to Firestone Complete Auto Care for manufacturer-recommended routine maintenance on your 2004 Toyota Sienna and an expert technician will begin by performing a Courtesy Check. The Courtesy Check helps us see what we’re working with under the hood, and allows us to alert you to any potential problems before they worsen. Each Courtesy Check includes a free battery test and an inspection of your Sienna's windshield wiper blades, head and tail lights, filters, fluid levels, tires, and alignment.

Firestone Complete Auto Care is your one-stop shop for 2004 Toyota Sienna maintenance and repairs. So visit us regularly, or visit us urgently. Many locations are open on weekends and in the evening.

Questions About 2004 Toyota Sienna Maintenance

  • What do I do if I hit a pothole in my Toyota Sienna?  You know your Toyota Sienna better than anyone else, so you’ll know if something doesn’t feel right while driving. Have your alignment checked (and adjusted if necessary) as soon as you notice a pulling steering wheel to prevent suspension damage or uneven tire wear.
  • When should I switch my Toyota Sienna to high mileage oil?  Do you have more than 75,000 miles on your Toyota Sienna? If so, request to switch to high mileage oil at your next oil change. This type of oil is specially formulated to keep aging engine parts in the best possible condition.
  • Why are my Toyota dashboard lights on?  It's better to get them addressed as soon as possible. An illuminated dashboard light means something in your vehicle isn't functioning like it should. Letting problems linger can mean bad news for your Toyota Sienna, so be sure to take your car in for service as soon as you notice an illuminated dashboard light.

The Right Battery Size for a 2004 Toyota Sienna

Not sure what battery to get for your Toyota Sienna?

Battery Engine Warranty Cold Cranking Amps
24F-3 V6/3.3L Replacement 24 months Performance months 650
35-2 V6/3.3L Replacement 36 months Performance months 640
24F-RP V6/3.3L Replacement 48 months Performance months 750

2004 Toyota Sienna Car Batteries

The average car battery lasts three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Toyota Sienna stranded. Look out for symptoms of a faulty car battery. A sluggish engine start, an illuminated check engine light or battery signal, swollen battery case, corroded battery posts, or faded headlights can all be signs that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Stop by for a free battery test and, if needed, get your Toyota Sienna a replacement battery. Car batteries are one of our many specialties! Our technicians are familiar with Toyota-specific recommendations for Sienna battery cold cranking amps and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Answers to Your Toyota Sienna Car Battery Questions

  • Why doesn’t my Toyota Sienna battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What is the average lifespan of a car battery?  Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
  • Why is there white, flaky stuff around my Sienna’s battery post?  A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Sienna car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

Oil Changes for 2004 Toyota Sienna

Toyota recommends having your 2004 Toyota Sienna’s motor oil changed at regular intervals. No matter the mileage, your Sienna may need its oil changed ASAP if your check engine light is on, you hear knocking sounds coming from the engine, smell oil inside the vehicle, or notice an unusual amount of exhaust. You may also need an oil change more frequently than Toyota recommends if you haul heavy loads, frequent dusty roads, enjoy off-roading, or go at low speeds on long distance trips.

Your local Firestone Complete Auto Care has the right 2004 Toyota Sienna motor oil: either synthetic or conventional. Talk with a teammate and consult your owner's manual before picking a motor oil. At Firestone Complete Auto Care, you can choose from the following oils: Quaker State® Advanced Durability™ conventional oil, Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, and Shell Rotella® heavy-duty engine oil. In an oil change service, an auto technician will change your Sienna’s oil, replace and recycle your used oil and filter, check all of your other filters, top-off important fluids, and visually inspect the rest of the vehicle. Make an appointment for an oil change service today and let the oil experts take care of your Sienna's engine.

2004 Toyota Sienna Oil Change Questions

  • What can cause the oil light on my Toyota Sienna to illuminate?  The oil change light in your Toyota Sienna could be triggered by an overdue oil change. However, if the oil pressure light is on, you may be dealing with low engine oil, a failing oil pump, a clogged oil filter, or a malfunctioning oil pressure sensor.
  • Can I change my Toyota oil on my own?  First off, changing your own oil isn’t as easy as you’d think. You’ll have to buy special tools and figure out a way to recycle the old oil properly. Getting a professional oil change reduces the risk of something going wrong during the service, but also helps your car perform down the road.
  • Why is my Toyota Sienna spewing blue or gray exhaust smoke?  Your engine could be burning oil due to a leak.  It may be time for a pro to take a look. A leak can be caused by a variety of issues including faulty valve seals, blown piston rings, or damaged cylinder walls.

2004 Toyota Sienna Engine Tune-Ups & Maintenance

Regular engine tune-ups can optimize your Sienna’s power on the road. Your nearest Firestone Complete Auto Care location has several options to choose from when it comes to Toyota Sienna engine tune-up services. The standard Firestone Tune-Up is one service option. This includes the installation of new spark plugs and a visual inspection of your engine’s components, plus a lifetime warranty on parts*. A second service option replaces the air and fuel filter in your Sienna. The third tune-up option is a fuel system cleaning service, which is a three-step process that removes varnish, dirt, and carbon deposits on your Sienna's fuel injectors, throttle body, and throttle plate. This goes a long way in boosting your fuel system’s overall performance. Keep in mind that your Sienna's mileage and maintenance history can uniquely impact its tune-up needs. Talk to a technician about your driving style, mileage, and service history to learn more about your vehicle's specific needs.

*Talk to a Firestone Complete Auto Care teammate for full terms and conditions on warranties.

Common Engine Tune-Up Q&A for 2004 Toyota Sienna

  • When should Toyota Sienna spark plugs be replaced? When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.
  • What should I do if I see leaks under my Sienna? Puddles could indicate an oil leak, coolant leak, or brake fluid leak– all of which can critically hurt your engine. Have your engine inspected as soon as you spot a pool of liquid in your usual parking spot.
  • How frequently do the fuel injectors in my Toyota Sienna need to be cleaned? Factors like fuel type and driving conditions can affect how frequently you need to clean your Sienna fuel injectors. Some manufacturers recommend a fuel system cleaning as part of routine maintenance, or as needed if your vehicle is showing signs of poor fuel system performance.

2004 Sienna Toyota Steering & Suspension Services

When you first bought your 2004 Toyota Sienna, you and your passengers probably enjoyed a ride that was smooth and balanced. But these days, things are starting to feel a bit rough. Maybe your Sienna bounces, drifts to one side, or makes noise whenever you turn or drive over a speed bump. The first sign of problems is a good time to bring your 2004 Toyota Sienna in for suspension and steering service. We'll get to the root of the problem and, if your Sienna suspension system needs repair, we'll explain all of your options and the potential cost.

Questions About 2004 Toyota Sienna Steering & Suspension

  • Why is my Toyota Sienna bouncing so much?  Excessive bouncing in your Toyota Sienna might be due to damaged struts or shocks that are unable to absorb road bumps effectively, causing your vehicle to feel more like a pogo stick than a smooth ride.
  • Why does my Sienna front end dip forward when I brake?  As you brake, the forward momentum of your Sienna combined with its weight sends a ton of force to its front end. A damaged or worn suspension system can cause the front end to compress and dip even further.
  • Does treadwear and tire pressure impact my Sienna's steering and suspension?  Proper tire care can reduce strain on the suspension system, and also alert you to the need for new tires. Uneven tire wear is one sign of steering and suspension system problems, but it can also contribute to more.

2004 Toyota Sienna A/C Service Near You

Our technicians will work to solve your 2004 Toyota Sienna A/C problems to the best of their ability. During this initial A/C performance check, we’ll look at the state of your 2004 Toyota Sienna’s A/C system to see if repair work is required. This check will include an examination of system pressure, a visual inspection, and a leak test.

Let's say we repair your 2004 Toyota Sienna A/C system. We will also perform an A/C evacuation and recharge. To do this, one of our technicians will remove the refrigerant in your A/C system (if there is even any left to remove). Then, they’ll use Toyota’s specifications to evacuate the system. Finally, we’ll recharge the A/C system with new refrigerant.

Frequently Asked Questions for 2004 Toyota Sienna A/C Systems

  • What’s making my Sienna A/C put out warm air?  An A/C blowing hot air has several possible root causes. There could be an issue with your compressor clutch, a blown fuse, a leak, or a clog in the expansion valve.
  • What can cause an A/C system leak?  A/C system leaks are often due to a combination of age and moisture. Rubber seals and gaskets naturally degrade over time, allowing refrigerant to exit and moisture to enter your Sienna's A/C system.
  • Why does my Sienna’s A/C only work when the car is moving?  A problem with one or more of your air conditioning or electrical system components could cause the A/C to only work when your Sienna is moving. You may be low on refrigerant, or the cooling fan could be faulty.

2004 Toyota Sienna Transmission Service & Repairs

Your transmission carries power from the engine to the wheels so that you can drive at the speed you desire. Because your transmission is responsible for converting the right amount of power into the right amount of speed, even the smallest transmission problems should be addressed right away. 2004 Toyota Sienna transmission problems can show up as shifting delays, jumping or grinding during acceleration, the car shaking at any speed, or a burning smell or whistling sounds coming from under the hood. If you don’t pay attention to Toyota Sienna transmission trouble you might notice your fuel economy decrease or find that your Sienna isn’t working at all. Our technicians know how to service your 2004 Sienna up to Toyota-recommended standards. Schedule an appointment at your local Firestone Complete Auto Care at the first sign of transmission problems to help keep your engine running at peak performance.

2004 Toyota Sienna Transmission Questions & Answers

  • When should I have my Sienna's transmission fluid checked or exchanged?  Maintaining your Toyota Sienna transmission fluid is one of the best ways to maintain your transmission's health. A general rule of thumb is to have your transmission fluid checked and changed about every 30,000 to 60,000 miles, but that timeline can change if you're hard on your Toyota. Leaks or low transmission fluid are easy to spot and affordable to repair.
  • Can transmission fluid leak from my Toyota Sienna?  Yes. Toyota Sienna transmission fluid can leak over time and potentially cause transmission issues. Worn or damaged seals, a loose or damaged transmission pan, a cracked transmission housing, faulty transmission cooler lines, or an overfilled transmission could cause transmission fluid leaks.
  • Should I avoid driving my Toyota Sienna if there is a transmission fluid leak?  You should avoid driving with a transmission fluid leak. Your transmission system relies on transmission fluid to operate properly, and a leak may decrease performance, cause your Sienna to overheat, or even lead to transmission failure.

Get a 2004 Toyota Sienna Vehicle Inspection

At Firestone Complete Auto Care, we perform a multi-point Courtesy Check during any vehicle service. First, a technician will pop the hood on your Toyota Sienna and test the battery to determine how much charge remains. After we’ve inspected your Toyota Sienna’s battery, we’ll visually inspect your filters, lights, wiper blades, alignment, tires, hoses, belts and fluid levels.

We perform a Courtesy Check any time you bring your car to a local Firestone Complete Auto Care for service, but we can also dig deeper and perform a Complete Vehicle Inspection on your 2004 Toyota Sienna if you prefer. During a Complete Vehicle Inspection, we’ll visually check everything that’s on the list for a Courtesy Check. Additionally, we’ll perform a hands-on examination of your steering, suspension, brakes, and exhaust system. This inspection is aimed at informing you of any major problems that could need immediate attention in order to prevent further damage.

Depending on where you live, your local Firestone Complete Auto Care may be able to perform state-mandated inspections or safety tests on your vehicle. Inspections are performed on a state-by-state basis and requirements vary.

2004 Toyota Sienna Vehicle Inspection Q and A

  • When does my Toyota Sienna need an inspection? If you’ve noticed something that doesn’t feel quite right in your car lately, a Courtesy Check could give you peace of mind. We can help you get to the bottom of strange engine noises, a jerky steering wheel, or an engine that's hard to start.
  • My 2004 Toyota Sienna failed the state inspection test. Can you fix it? Don’t panic! Come in for a complete inspection today and we’ll find (and repair) the root cause before you have your vehicle retested.
  • What's the ideal timing for a full vehicle inspection on my Toyota Sienna?  It’s generally a good idea to get a complete vehicle inspection for your Toyota Sienna before a road trip and/or when something strange occurs and you are unable to find the cause. Signs something is up include dashboard lights illuminating, odd noises coming from the engine, and your steering feeling loose or tight.

Radiator Service & Repair for 2004 Toyota Sienna

Staying on top of routine radiator maintenance for your 2004 Toyota Sienna is essential for long-term engine health. In fact, Toyota recommends replacing coolant/antifreeze at specific intervals, but you can also take note of any signs your radiator is going bad. You could be on the verge of a radiator-induced engine breakdown if you notice leaking coolant, overheating, or an illuminated low coolant dashboard light.

If you bring your vehicle to Firestone Complete Auto Care, we start with a comprehensive inspection of your Toyota Sienna’s cooling system. We’ll do a machine-powered coolant exchange on the system, and then we’ll top off or replace the fluids that were removed (like chemicals, lubricants, and sealants). Lastly, we’ll perform a pressure check to look for leaks. From the heater core to the radiator cap, we’ll take excellent care of your 2004 Toyota Sienna at Firestone Complete Auto Care.

2004 Toyota Sienna Radiator Q&A

  • Why is the coolant light on my Toyota dashboard on?  Your engine might be about to overheat. If your low coolant light is on, pull over in a safe area and wait for your engine temperature to go down. Once it’s safe to do so, bring your car to your nearest Firestone Complete Auto Care to have the coolant system inspected.
  • What is causing my Sienna to overheat?  If your Toyota Sienna engine overheats, it could be because of a clogged radiator, a damaged thermostat, a faulty cooling fan, a malfunctioning water pump, or low coolant levels.
  • Why does the radiator in my Sienna sound like it’s rumbling or boiling?  Your Sienna’s cooling system could contain air pockets or your radiator might be clogged. Another possibility is a faulty radiator cap, which is an easy fix!