Is there a recall on a Toyota cold start engine?
If you experience this noise from your engine, CARspec is happy to confirm the condition at no charge. As a Toyota and Lexus specialist we see these engine more often then most auto shops and can get the condition repaired quickly, or if applicable direct you to the local dealership for recall work or warranty repair.
What does it mean when your engine knocks on a cold start?
Engine Knocking on cold Start. When an engine knock is most pronounced when releasing the throttle a “rod knock” as in Rod Knox, is indicated. And when the dipstick indicates that the engine is overfilled there is a possibility that gasoline or coolant is leaking into the crankcase. Smell the dipstick.
Where does the knocking come from on a cold start?
I noticed a knocking coming from the engine (closer to bottom of engine than top) on a cold start. It sounds like a rock being knocked against a hard surface. I can only hear the knocking if I am outside of the car, if I am in the car I can’t hear it at all. The knocking lasts for maybe 20-30 seconds.
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.
When do you cold start a Lexus V6?
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.
Why does my Toyota RAV4 make a whirring noise when cold start?
It isn’t unheard of to have piston slap on the V8 if have that engine, but hearing the noise is the first step in diagnostics for the technician. If you can, have the dealer keep the car overnight and try it in the morning. Good luck! 2007 RAV4 w/the V6 mentioned in this article…and the rattle / whirring / noise during a cold start-up.