What does the coolant light on my Lexus dashboard mean?

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 are the puddles in my driveway or garage floor?

It's better to get it fixed sooner than later. Antifreeze is toxic if consumed, but its smell can attract cats and dogs. Keep your whole family safe by repairing antifreeze leaks ASAP and thoroughly hosing down your parking spot to get rid of any lingering residue on the ground.

When should my Lexus GS300 radiator be cleaned?

It could be a good idea to have your Lexus GS300 radiator cleaned out a couple of times a year, maybe at the same time as a tire rotation or oil change.

What can cause my GS300 to overheat?

If your Lexus GS300 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.

My GS300 radiator sounds like it's rumbling or boiling! What's up?

Air pockets in your GS300’s cooling system may cause a rumbling or boiling noise. You could also have a clogged radiator or simply need to replace the radiator cap.

Is rust in my GS300 radiator bad?

Yes. Having rust in your Lexus GS300 radiator can cause leaks, a reduction in cooling efficiency, and even radiator failure. If rust is left untreated, it can corrode the radiator's cooling passages, causing small cracks or holes that can significantly impact the radiator's ability to function. To help prevent rust from becoming a major issue, it's important to properly maintain your radiator system.

2003 Lexus GS300 Radiator Repair & Service

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Service Your Lexus GS300 Radiator

Don’t let the heat of the moment – or of your engine – get to your head. Schedule a radiator repair or service for your 2003 Lexus GS300 today.

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When to Service Your 2003 Lexus GS300 Cooling System

If you’re not sure what the purpose of a radiator is, it’s hard to tell when to have your Lexus GS300 radiator serviced. Nonetheless, it's still extremely important. As part of your car’s cooling system, your radiator helps keep engine temperature regulated. When the radiator isn't working properly, your engine can overheat and potentially break down.

Staying on top of routine radiator maintenance for your 2003 Lexus GS300 is a huge factor in the longevity of your engine. To keep your radiator functioning, Lexus recommends replacing your antifreeze or coolant at scheduled intervals but it’s also wise to keep an eye out for signs of a failing radiator. You might be driving around (or about to be stranded) with a failing radiator if you see coolant leaks under your car, high engine temperatures, or a dashboard light that indicates low coolant. Visit your local Firestone Complete Auto Care for a Courtesy Check at the first sign of one of these issues.

Lexus GS300 Coolant Fluid Exchange

What does radiator repair include? At Firestone Complete Auto Care, we start by performing a thorough inspection of your Lexus GS300 cooling system. We then do a machine-powered radiator exchange, replenish flushed chemicals, sealants, and lubricants, and then pressure check for leaks.

Issues with your radiator often coincide with a malfunctioning water pump. Some services for your 2003 Lexus GS300 engine can wait, but the water pump is one part that you'll want to have repaired or replaced as soon as you discover a problem with it. This vital part keeps coolant moving through the engine, hoses, and radiator. If it isn’t functioning properly, your engine won’t be able to stay within its optimal temperature range. Our trained technicians can inspect your car’s radiator hoses and pumps to help you stay ahead of any potential engine problems. From the heater core to the radiator cap, we’ll take excellent care of your 2003 Lexus GS300 at Firestone Complete Auto Care. We stand behind our work with our Triple Promise: Fixed Right, Priced Right, Right on Time.

Common Lexus GS300 Radiator Questions

Take care of your 2003 Lexus GS300 radiator and it will last. Check out our top questions and answers about Lexus radiators below, and visit your nearest Firestone Complete Auto Care at the first sign of an overheating engine.

What does the coolant light on my Lexus dashboard mean? 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 are the puddles in my driveway or garage floor? It's better to get it fixed sooner than later. Antifreeze is toxic if consumed, but its smell can attract cats and dogs. Keep your whole family safe by repairing antifreeze leaks ASAP and thoroughly hosing down your parking spot to get rid of any lingering residue on the ground.
When should my Lexus GS300 radiator be cleaned? It could be a good idea to have your Lexus GS300 radiator cleaned out a couple of times a year, maybe at the same time as a tire rotation or oil change.
What can cause my GS300 to overheat? If your Lexus GS300 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.
My GS300 radiator sounds like it's rumbling or boiling! What's up? Air pockets in your GS300’s cooling system may cause a rumbling or boiling noise. You could also have a clogged radiator or simply need to replace the radiator cap.
Is rust in my GS300 radiator bad? Yes. Having rust in your Lexus GS300 radiator can cause leaks, a reduction in cooling efficiency, and even radiator failure. If rust is left untreated, it can corrode the radiator's cooling passages, causing small cracks or holes that can significantly impact the radiator's ability to function. To help prevent rust from becoming a major issue, it's important to properly maintain your radiator system.