jcopin

Hello friends..

Now that I have replaced some things, checked more places maybe you fine folks can help me pinpoint the noise im getting.

Its a squeal at cold startup. it goes away after about 10 minutes and does not come back until the car has sat for over 4-6 hours in the cold.
I know your going to say belt etc..but I just replaced the tensioner, idler, alternator, PS pump, and water pump..to no avail.. I also took the belt off and quickly started the car and the noise is there without the belt on...could it be something to do with the timing chain?

This noise has been there for easily the last 4 years...and im just fed up with it.

any suggestions?

jcopin

and I realized I spelled squealing wrong..although after I hit submit :P

cdynaco

Is it coming from the auto transmission maybe?

The timing chain tensioners and VCT are pressurized by an auxiliary pump. I can't imagine that causing an issue but its a thought.

Quote:

The high oil pressure over-powering the spring-loaded mechanism on the cam sprocket comes from the small electric motor mounted vertically at the front corner of the cylinder head.