Tires

1990 Nissan D21 Service, Tires & Repairs


1990 Nissan D21 Tires

Recommended Tires | Tire Information

1990 Nissan D21 Tires Sizes, Speed Ratings, and Inflation

Not sure about your 1990 Nissan D21 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
1990 Nissan D21 Base None 36 PSI/36 PSI LT195/75R14/B
1990 Nissan D21 SE* None 26 PSI/26 PSI 31x10.50R15LT/C
1990 Nissan D21 SE* None 26 PSI/35 PSI P215/75R14
1990 Nissan D21 SE* None 26 PSI/26 PSI P235/75R15

1990 Nissan D21 Base

LT195/75R14/B

Speed Rating: None

Inflation F/R: 36 PSI/36 PSI

1990 Nissan D21 SE*

31x10.50R15LT/C

Speed Rating: None

Inflation F/R: 26 PSI/26 PSI

1990 Nissan D21 SE*

P215/75R14

Speed Rating: None

Inflation F/R: 26 PSI/35 PSI

1990 Nissan D21 SE*

P235/75R15

Speed Rating: None

Inflation F/R: 26 PSI/26 PSI

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

Recommended Tires for Your 1990 Nissan D21

What tires are best for a 1990 Nissan D21? Check out the following tire brands and types.

Bridgestone Blizzak DM-V2
Blizzak DM-V2

  • No warranty
  • Winter
  • Winter
Firestone Destination A/T2
Destination A/T2

  • Gold Pledge Limited Warranty
  • All-Season
  • Light Truck Tires
Firestone Destination LE3
Destination LE3

  • No warranty
  • All-Season
  • Light Truck Tires
Firestone Destination M/T2
Destination M/T2

  • No warranty
  • All-Season
  • Light Truck Tires
Firestone Winterforce 2 UV
Winterforce 2 UV

  • No warranty
  • Winter
  • Winter
Firestone Destination X/T
Destination X/T

  • Gold Pledge Limited Warranty
  • All-Season
  • Light Truck Tires
SUREDRIVE ALL-Season
ALL-Season

  • No warranty
  • All-Season
  • Passenger Tires
SUREDRIVE ALL-TERRAIN
ALL-TERRAIN

  • No warranty
  • All-Season
  • Light Truck Tires
SUREDRIVE HIGHWAY
HIGHWAY

  • No warranty
  • All-Season
  • Light Truck Tires
SUREDRIVE ALL-TERRAIN LTR
ALL-TERRAIN LTR

  • No warranty
  • All-Season
  • Light Truck 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
Toyo OPEN COUNTRY M/T
OPEN COUNTRY M/T

  • No warranty
  • All-Season
  • Light Truck Tires
Toyo OPEN COUNTRY R/T
OPEN COUNTRY R/T

  • No warranty
  • All-Season
  • Light Truck Tires
Toyo OPEN COUNTRY HTII
OPEN COUNTRY HTII

  • No warranty
  • All-Season
  • Light Truck Tires

About 1990 Nissan D21 Tires

Beyond the correct tire size, there are a couple of other factors to consider when buying Nissan D21 tires like where and how you drive, and what tire brand you trust most. When thinking about your driving conditions, consider where you live (mountains vs. city vs. countryside) and the kind of weather can catch you off-guard. (Watch out Tornado Alley!) Drivers in states that fully experience all four seasons often buy two sets of tires: one set for winter, one set for summer. Other drivers prefer the convenience of all-season tires. They make one trip to the tire shop and they're pretty much ready for rain, light snow, or sun!

Driving style is next on the list to think about when buying tires. If you're an avid off-roader who yearns to pioneer new paths, you have very different tire needs than a highway commuter who doesn't hit the hills very often. Browse Nissan D21 tires online or come to your nearby Firestone Complete Auto Care for help selecting the tire that's right for you.

1990 Nissan D21 Tire Installation & Rotation

Firestone Complete Auto Care installs more tires on more cars than most other companies. We're your one-stop shop for tire installation, rotation, and ongoing maintenance! Buy 1990 Nissan D21 tires online and schedule your installation when it's convenient for you.

Questions About 1990 Nissan D21 Tires

  • Why check Nissan tire inflation? Even a tiny decrease in tire pressure could impact your safety and fuel economy. Maintaining proper tire pressure can help increase fuel economy, improve braking time, and boost tire lifespan.
  • Why are there numbers on the side of my Nissan D21 tires? Your tire sidewall numbers tell you the recommended load carrying capacity, speed rating, treadwear, traction, and tire size. Talk to a tire technician to learn how to read Nissan tire numbers.
  • Can I check the tread depth on my Nissan 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 Nissan D21 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 Nissan D21 tires.

Get Repairs for Your 1990 Nissan D21

For most drivers, the words “car repair” don’t exactly spark excitement. We’re here to change that, though. At Firestone Complete Auto Care, we want to make car repair painless and hassle-free. When you come to us for 1990 Nissan D21 repair services, our technicians will take care of your D21 like it was their own. Before we begin any repair work, we’ll diagnose any issues and answer your questions about potential repair options. We value your trust, so we recommend only the repairs we think are necessary for your safety on the road.

How Much Does Nissan D21 Repair Cost?

The cost to repair your 1990 Nissan D21 depends on the type of repair, costs of replacement parts or repair supplies, the amount of labor necessary to get the job done, and your locale. But no matter your location, you may be able to save money with one of our many auto repair coupons or offers.

A few different aspects can influence repair costs for your 1990 Nissan D21, like

1990 Nissan D21 Auto Repair Q&A

  • Do I still need scheduled maintenance even when nothing is wrong with my Nissan? Don’t neglect scheduled maintenance. Sure, you could skip out on a few recommended maintenance services, but you may pay the price later. Bring your vehicle to Firestone Complete Auto Care at recommended service intervals to address minor issues before they get out of hand and keep your car running newer, longer.
  • Should I bring my Nissan in even if I can't pinpoint the problem? You know your vehicle. You also know when something feels 'off' with your vehicle. Pay attention when things don't run like they used to and stop by for a Courtesy Check when you notice an unusual sign, smell, or sensation. We might be able to help you prevent Nissan D21 repairs!
  • Do I have to get the repairs you recommend for my Nissan? We won’t recommend a service or repair for your 1990 Nissan D21 unless we think it’s necessary to keep you safe. Want to know more about a specific recommended repair? Ask! We’re here to help.

1990 Nissan D21 Brake Repair

You might have a strong and reliable engine in your Nissan  D21. But if you can't stop it, then it's scrap metal. If you notice your brakes are squeaking or not working well, don’t wait! Safe driving is difficult when your brakes are anything but their best. What's more, waiting for things to figure themselves out can result in more damage to your brakes and your wallet. Get your 1990 Nissan D21 brakes fixed at Firestone Complete Auto Care. Our brake repair services include brake pad/shoe removal and replacement, brake rotor/drum machining, brake fluid exchange/bleeding, and brake caliper and wheel cylinder installation.

Questions About Your Nissan D21 Brakes

  • What can cause my D21 to shake when I apply the brakes? Faulty brake calipers, worn brake pads or rotors, loose or worn suspension parts, and warped rotors can cause your D21 to shake during braking. If you’re experiencing odd brake behavior, schedule a free brake inspection at a nearby Firestone Complete Auto Care.
  • What is the average lifespan of D21 brake pads? In general, brake pads can last from 30,000 to 40,000 miles. Certain factors, like driving on highways mostly and braking smoothly, can help your brake pads last longer. Hauling heavy loads and riding your brakes can shorten brake pad lifespan.
  • Can brake fluid leak when my D21 is off? Because your D21 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.

When to Get Nissan D21 Drivetrain Repairs

Drivetrains for front, rear, and all-wheel-drive and 4WD vehicles are not all the same. You don't want to go to any random shop for drivetrain repair. You want to visit Firestone Complete Auto Care. We can fix many 1990 Nissan D21 drivetrain components Your Nissan D21 may need driveshaft attention if you feel clunks when shifting, vibration as your vehicle accelerates, resistance when turning, or heavy vibrations in your floorboards.

Questions About 1990 Nissan D21

  • How do I know if my Nissan drivetrain is damaged? Hear noises toward the back of your Nissan D21? See fluid leaking? Having issues turning? These could all be signs of drivetrain damage you don't want to ignore. Take action quickly to catch repairs or replacements before something more severe happens.
  • What triggers the malfunction indicator light (MIL) in a D21? If your D21 has its malfunction warning light (more commonly called the check engine light) illuminated, it could indicate engine troubles, problems with the transmission, electrical issues, malfunctioning sensors, connector problems, or misfire issues.
  • How concerning is a drivetrain malfunction in my D21? If your D21 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.

1990 Nissan D21 Alignment Services

With an alignment service, adjustments are made to your Nissan D21’s suspension system, the connection between the vehicle and the wheels. During the service, your tire angles are adjusted according to measurements recommended by Nissan. Why? So that your tires can make contact with the road at the best possible angle. Before we adjust the alignment of your 1990 Nissan D21, we’ll start by checking the current alignment angles. If needed, we'll adjust your wheel alignment angles to match Nissan recommendations.

Answers to Nissan D21 Alignment Questions

  • How can I avoid knocking my Nissan D21 out of alignment? When it’s safe to do so, avoid driving over potholes or hitting curbs. These road obstacles can wreak havoc on your wheel alignment, as can wear and tear from rough road conditions.
  • How frequently should you get a wheel alignment for your D21? It’s usually suggested you check your alignment about every 6,000 miles or 6 months (whichever occurs first). Still, you should reference your D21 owner’s manual for Nissan's recommended interval.
  • Does getting new D21 tires mean you need an alignment?  You likely aren't required to get an alignment when you put new tires on your D21, but it's a super smart idea! An alignment can help ensure optimal tire wear, fuel efficiency, and handling. Still, you should reference your D21 owner’s manual for what’s recommended.

1990 Nissan D21 Engine Repair

When your Nissan D21 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Nissan D21 engine repairs and you can drive easy knowing that we use Nissan-approved parts and fluids — serpentine belt, motor oil seal, sensors, or another part.

1990 Nissan D21 Engine Q&A

  • Why does the check engine light in my D21 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your D21 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
  • Are Nissan D21 engine noises bad? Strange engine sounds can be a sign something’s off in your Nissan D21. 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.
  • Are you unknowingly damaging your Nissan D21 engine?  Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Get Your Nissan D21 Tire Repaired

If the road has been rough on your 1990 Nissan D21 tires, Firestone Complete Auto Care can help. In some cases, a tire doesn’t have to be replaced – it can be plugged and patched with a simple repair. Depending on the damage, though, a repair might not be the right move. Our technicians can determine which option is best for your situation. We'll start by evaluating the state of wear, the location of damage, type of damage, and the size of the damage.

If we determine that your 1990 Nissan D21 tire can be safely repaired, we'll follow three basic steps to repair it: (1) Separate the tire from the vehicle wheel, (2) fill in the area that’s been punctured to prevent damage from moisture, and (3) secure and seal the inner tire liner to ensure the tire is airtight.

Frequently Asked Nissan D21 Tire Repair Questions

  • Can I drive my Nissan on a flat tire? Driving on a flat or underinflated tire can put extra stress on your wheels and alignment. While it’s sometimes necessary to drive a short distance on a flat tire to get to a safe place, don’t take any other trips in your D21 until you can have the flat tire repaired or replaced.
  • Will a temporary sealant fix my Nissan's flat tire? 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 D21 keep losing air? Possible reasons for your D21 tires continuously losing air include a leaking valve steam, wheel damage, and a puncture or hole in the rubber.

1990 Nissan D21 Maintenance Information

It can be overwhelming, but fortunately, there’s a resource that takes the guesswork out of routine D21 maintenance. Rely on the recommended maintenance schedule that’s been created just for your 1990 Nissan D21! The recommended maintenance schedule is put together by Nissan, your vehicle manufacturer. Driving conditions, climate variations, and other variables can affect which scheduled maintenance services you’ll need; in most cases, though, recommended maintenance will consist of services like oil changes, tire rotations, brake pad replacement, filter changes, and fluid checks and exchanges. Keeping up with routine service appointments is a great way to keep your D21 running for longer, increase your vehicle safety, and prevent common 1990 Nissan D21 problems.

Overview of Essential Nissan D21 Maintenance Needs

Head to your nearest Firestone Complete Auto Care in your 1990 Nissan D21 for factory-recommended routine maintenance and our technicians will jump right in with a Courtesy Check. A Courtesy Check helps "set the stage" for your service and catch any small problems before they turn into big repairs. Every Courtesy Check will include a visual inspection of your D21. We’ll check your head and tail lights, fluid levels, filters, tires (and their alignment!), and windshield wiper blades. We’ll also perform a free battery check to determine your battery’s charge level.

Firestone Complete Auto Care is your spot for 1990 Nissan D21 maintenance. Don’t wait until something goes wrong with your car. Visit your nearest location for proactive maintenance today.

Questions About 1990 Nissan D21 Maintenance

  • What should I do after hitting a pothole in my Nissan D21?  You know your Nissan D21 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 use high mileage oil in my Nissan D21?  If your Nissan D21 has ticked past 75,000 miles, consider switching to high mileage oil at your next oil change to give your engine what it needs to go another 75,000 (or more!). High mileage oil: make it a high priority!
  • Can I ignore dashboard lights on my Nissan? Because there might be a problem under the hood. Those warning lights are there for a reason! As soon as you notice that one’s illuminated, take your Nissan D21 to Firestone Complete Auto Care so you can address any small problems long before they worsen.

Battery Size & Replacement for 1990 Nissan D21

Not sure what battery to get for your Nissan D21?

Battery Engine Warranty Cold Cranking Amps
26-3 L4/2.4L Replacement 24 months Performance months 525
26-3 V6/3.0L Replacement 24 months Performance months 525

1990 Nissan D21 Car Batteries

The average car battery lasts three to five years. Don’t get stranded by your D21’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A sluggish engine start, an illuminated battery or check engine light, swollen battery case, corroded battery terminals, or dim headlights can all signal that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. Stop by for a free battery test and, if needed, a replacement battery for your 1990 Nissan D21. Car batteries are only one of our many strong suits. Our technicians are familiar with Nissan-specific recommendations for D21 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that's best for your D21, and schedule a weekday or weekend battery replacement service for your car.

Commonly Asked Nissan D21 Battery Questions

  • Why won't my Nissan D21 battery stay charged?  A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop in for a free battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.
  • How long can I expect my car battery to last?  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.
  • What is the white, crusty stuff around my D21’s battery post?  The white, flaky stuff that can build up around your D21’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your D21, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.

1990 Nissan D21 Oil Changes

Your 1990 D21’s oil should be changed according to Nissan’s recommended oil change intervals. Your D21 may need an oil change right away if your check engine/oil change light is on, you hear knock knock knock coming from the engine, smell oil inside the car, or see an excess amount of vehicle exhaust. You might need an oil change more frequently than what’s recommended by Nissan if you regularly haul heavy loads, drive in dusty terrain, go off-roading a lot, or drive at low speeds for long distances.

Whether it’s synthetic, conventional, or a blend of both — your local Firestone Complete Auto Care has the right oil for your Nissan D21. 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, one of our techs will change your D21’s oil, replace and recycle your used oil and oil filter, inspect the rest of your car’s filters, top-off essential 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 D21's engine.

Oil Change Q&A for Your 1990 Nissan D21

  • Why is my Nissan D21 oil light illuminated?  The oil change light in your Nissan D21 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.
  • How hard is it to change Nissan D21 oil at home?  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 Nissan D21 exhaust smoke grayish or blue?  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.

Engine Tune-Up Service for Your 1990 Nissan D21

Routine engine tune-ups can bring power back to your D21. Your local Firestone Complete Auto Care offers a range of engine tune-up services for your 1990 Nissan D21. The first is the standard Firestone Tune-Up. It includes a complete visual inspection of engine components, installation of new spark plugs, and a lifetime warranty on parts*. The second service focuses on your D21's filters, specifically replacing the air filter and fuel filter. Yet another service is a fuel system cleaning process, which involves removing varnish, dirt, and carbon deposits that have built up inside the fuel injectors, throttle body, and throttle plate in your D21. This can improve your fuel system’s performance (and therefore, your engine’s performance). Here’s something to remember when choosing services: the mileage and service history of your D21 can determine what kind of service it needs. Chat with a Firestone technician before you jump into a specific service to ensure your engine tune-up money is well-spent.

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

1990 Nissan D21 Engine Tune-Up Q&A

  • When should Nissan D21 spark plugs be replaced?  Replace spark plugs on time or about every 30,000 miles or so. Without the spark of electricity created by spark plugs, your engine doesn’t have the combustion it needs to start — which could leave you stranded on the road. Always replace your spark plugs on time based on Nissan’s recommendations.
  • What does a puddle underneath my Nissan D21 mean? 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 often should I clean my Nissan D21 fuel injectors? The cleaning schedule for vehicle fuel injectors varies depending on your driving conditions and the type of fuel you use. Some manufacturers suggest cleaning your fuel system as part of routine maintenance, while others will recommend it on an as-needed basis if you’re experiencing poor performance. Reference your Nissan owner’s manual for exact guidelines.

Suspension Service & Repair for 1990 Nissan D21

When you first bought your 1990 Nissan D21, you probably enjoyed a smooth and steady ride. Now, however, things are starting to feel a little rough. Perhaps your D21 feels bouncy, leans to one side, or makes an unusual noise when going over a speed bump. The first sign of problems is a good time to bring your 1990 Nissan D21 in for steering and suspension repairs. We’ll get to the root of the issue and, if your car needs steering and suspension repairs, we’ll go over the services you need and how much they will cost before we do any work.

Questions About 1990 Nissan D21 Steering & Suspension

  • Why is my Nissan D21 bouncing excessively?  If it feels like you’re on a trampoline every time your D21 goes over a bump or dip, you may have a problem with your struts or shocks. Faulty shocks and struts can’t properly absorb road bumps, leading to a bouncy ride.
  • What can cause the front end of my D21 to dip forward when I apply the brakes?  When you brake, the forward momentum combined with your vehicle's weight sends a lot of force to the vehicle's front end. A bad suspension can cause all that weight and force to push the front end downward.
  • What role do tire pressure and tread depth play in my Nissan's suspension?  Keeping your tires properly inflated can help reduce strain on the suspension, and also help you notice when you need new tires. A tire that doesn't have an adequate amount of tread can't grip the road or function as well as the manufacturer intended.

1990 Nissan D21 A/C Service Near You

Technicians at Firestone Complete Auto Care are ready to help you address your 1990 Nissan D21 A/C problems. During an A/C performance check, we'll determine the condition of your 1990 Nissan D21 A/C system to determine whether repair work is needed. We’ll test overall system performance, check for any leaks, and measure the system pressure.

When we perform an A/C repair on your 1990 Nissan D21, we’ll also do an A/C evacuation and recharge. To start this process, a technician will flush out the old refrigerant from your vehicle’s A/C system. Then, they’ll use Nissan’s specifications to evacuate the system. Finally, we’ll recharge the A/C system with new refrigerant.

1990 Nissan D21 A/C System FAQs

  • What’s making my D21 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?  Over the years, the rubber seals and gaskets in your D21’s A/C system naturally degrade. Moisture can get into the system and cause a malfunction, or parts can simply wear out so that your system no longer seals properly.
  • Why won’t my D21’s A/C cool the vehicle when the car is stopped? There could be issues with one or more components in the air conditioning or electrical system. Your D21 may have a faulty cooling fan or low refrigerant.

1990 Nissan D21 Transmission Service & Repairs

The transmission delivers power from the motor to your wheels so that you can drive at your desired speed. Since the transmission has to translate the precise amount of power for your desired amount of speed, even the smallest transmission problems should be addressed right away. Nissan D21 transmission problems can present themselves as shifting delays, grinding or jumping during acceleration, the car shaking at any speed, or a burning smell or whistling sounds coming from under the hood. Let Nissan D21 transmission problems linger and your could suffer a loss in fuel efficiency or find that you can't drive your D21 at all. Our technicians are trained to service 1990  Nissan D21 transmission systems according to vehicle manufacturer recommendations. Schedule an appointment at your local Firestone Complete Auto Care at the first sign of transmission problems to help keep your Nissan running for miles and miles.

1990 Nissan D21 Transmission Questions & Answers

  • When should I have my D21's transmission fluid checked or exchanged?  Maintaining your Nissan D21 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 Nissan. Leaks or low transmission fluid are easy to spot and affordable to repair.
  • Is it possible for transmission fluid to leak from my Nissan D21?  Yes. Nissan D21 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 Nissan D21 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 D21 to overheat, or even lead to transmission failure.

Vehicle Inspection for 1990 Nissan D21

Every service performed at Firestone Complete Auto Care includes a multi-point Courtesy Check. First, a technician will pop the hood on your Nissan D21 and test the battery to see how much charge it has left – and determine if it may fail in the near future. After we’ve inspected your Nissan D21’s battery, we’ll visually inspect your windshield wiper blades, lights, filters, fluid levels, belts, hoses, tires, and alignment.

Every service performed at your nearest Firestone Complete Auto Care will include a Courtesy Check, but we also offer an in-depth Complete Vehicle Inspection for your 1990 Nissan D21. During a Complete Vehicle Inspection, we’ll visually check everything that’s on the list for a Courtesy Check. Additionally, we’ll perform a thorough manual inspection of your steering, suspension, brakes, and exhaust system. The goal of this type of inspection is to unearth significant issues that might wreak havoc on your 1990 Nissan D21 if left unaddressed.

Depending on where you live, you may be able to complete your vehicle’s safety tests or state inspection at your nearest Firestone Complete Auto Care. These inspections are governed by state automotive laws and may vary in different locations.

Common 1990 Nissan D21 Vehicle Inspection Questions

  • How do I know if I should have an inspection on my Nissan D21? It needs a check-up if something feels 'off' to you, the driver. Your Nissan D21 could benefit from a Courtesy Check if it has any illuminated dashboard lights, you hear weird noises coming from any part, the engine doesn't start sometimes, or your vehicle pulls to one side.
  • Can you fix my 1990 Nissan D21 so it will pass a state inspection test? 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.
  • When should I get a complete vehicle inspection for my Nissan D21?  The best time to get a complete vehicle inspection for your Nissan D21 is before going on a road trip for the peace of mind. Another great time is when something abnormal occurs, and you can't pinpoint the issue. You might notice new dashboard lights, hear strange noises from under the hood, or your steering wheel doesn't feel like it once did.

1990 Nissan D21 Radiator Service

Regular, proactive service on the radiator in your 1990 Nissan D21 is a huge factor in the longevity of your engine. To keep your radiator functioning, Nissan recommends replacing your antifreeze or coolant at scheduled intervals but it’s a good idea to keep your eyes open for any indication that your radiator is failing. Your radiator could be close to causing an engine breakdown if you see coolant leaks under your car, high engine temperatures, or a dashboard light that indicates low coolant.

If you bring your vehicle to Firestone Complete Auto Care, we start with a comprehensive inspection of your Nissan D21’s cooling system. Then, we’ll move on to a machine-powered coolant exchange. Finally, we’ll refill the flushed sealants, lubricants and chemicals, then do a pressure check to catch any possible leaks. From the radiator cap to the heater core, your 1990 Nissan D21 is in good hands at Firestone Complete Auto Care.

Questions About Nissan D21 Radiators

  • Why is the coolant light on my Nissan dashboard on?  f the coolant light illuminates on your dashboard, your engine could be overheating. Pull over to a safe area and wait for the engine to cool down. Then, head to your nearest Firestone Complete Auto Care for a coolant system check.
  • My D21 overheated! What can cause that?  One of the main reasons your Nissan D21 engine might overheat is because you don’t have enough coolant. Other causes include a clogged radiator, a damaged cooling fan, a malfunctioning thermostat, or a faulty water pump.
  • What can cause a D21 radiator to make boiling or rumbling sounds? There could be air pockets in your D21’s cooling system. You might also have a clogged radiator or faulty radiator cap (this last one is an easy fix!).