Why does my Lexus IS make a clinking noise?
The hot metal of the exhaust and engine will clink and tink as it cools down. On the IS models in particular, the culprit could be the exhaust heat shield expanding and contracting upon cooling down. Many owners complain about this noise, but it doesn’t pose any real threat to the inner workings of the vehicle.
What does it mean when your Lexus suspension is clunking?
A clunky suspension is a sign something is loose or worn out in the Lexus, but it can be hard to trace the problem because there are so many possible sources. In addition to there being several sources, the noise may not be consistent. You may only notice it on days that are cold or rainy, or when hitting bumps at certain angles.
Why does my car make a loud noise when I start the engine?
The engine tone will be deeper and it’s common to hear periods of engine backfiring when you have an exhaust leak somewhere in the exhaust system. What’s the cause of this sound? When your vehicle sounds as if it turned up the volume on the exhaust by a factor of three to five, it’s usually caused by a leak somewhere in the exhaust system.
Can a water pump in a Lexus overheat?
The water pump in a Lexus IS—or in any vehicle for that matter—is a vital component. If the water pump seizes, the engine is going to overheat and quickly die permanently. The water pump is covered under the power train warranty, so if you are still within your warranty period, take it in sooner rather than later.
The hot metal of the exhaust and engine will clink and tink as it cools down. On the IS models in particular, the culprit could be the exhaust heat shield expanding and contracting upon cooling down. Many owners complain about this noise, but it doesn’t pose any real threat to the inner workings of the vehicle.
What should I do if my Lexus IS knocking?
It’s recommended to take the vehicle in to the shop if the knocking is a recurring issue even when the oil is good. However, if going to the mechanic is not possible, there is a work around. Try to park your IS facing downhill so gravity pulls the oil towards the gears when starting the car.
Why does my car make knocking noise when I start it up?
There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop. Gas additives (fuel injector cleaners, octane boost, etc.) A knocking noise that only happens on engine start up for a few seconds might be a sign that the oil is bad.
The water pump in a Lexus IS—or in any vehicle for that matter—is a vital component. If the water pump seizes, the engine is going to overheat and quickly die permanently. The water pump is covered under the power train warranty, so if you are still within your warranty period, take it in sooner rather than later.
Why does my Lexus IS 350 make a knocking noise?
Check your oil level and oil quality to be sure it’s in good condition. The Lexus IS 350 has another, more serious issue with similar symptoms. There was as issue with oil getting to the cam gears in the Lexus IS 350. This is more of a rattle noise than a complete knock.
It’s recommended to take the vehicle in to the shop if the knocking is a recurring issue even when the oil is good. However, if going to the mechanic is not possible, there is a work around. Try to park your IS facing downhill so gravity pulls the oil towards the gears when starting the car.
Why does my Lexus sound like a sewing machine?
If your Lexus sounds anything like the one in the featured video below (a very angry sewing machine), the water pump is likely the culprit. If the noises do not fit either of the above scenarios but rather shows up after engine is shut down, take heart and read on to step 3.
There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop. Gas additives (fuel injector cleaners, octane boost, etc.) A knocking noise that only happens on engine start up for a few seconds might be a sign that the oil is bad.