Why does my Lexus make a ticking noise?
That noise is the sound of the direct injection injectors opening and closing. This is completely normal and should be of no concern. Some owners have complained about this ticking noise, but it is easy to tune out. Figure 5.
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.
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.
What should I do if I hear a ticking noise in my engine?
If your engine develops a ticking or knocking noise in a short period, the first thing you should do is shut off the engine and check the oil level. You’ll need to find the engine oil dipstick and see if you need to add oil or if the oil level is up to the full line.
Why does my Lexus make a noise when I start the engine?
The noise lay inside the intake camshaft gears, not the exhaust. While the exhaust gears are subject to failure on their own (the outer 5-point bolts loosen up and the gear disassembles itself), this root cause of the issue is the intake camshaft gears.
Why does my Lexus V6 rattle when I cold start the car?
The first cold start of the morning some Toyota and Lexus V6 owners, especially those who have the 2.5L or 3.5L V6, notice a loud rattle the first few seconds after startup. The noise disappears after the car builds oil pressure. The most common cause is the variable valve timing camshaft gear assembly leaking down oil pressure as it sits.
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.
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.