2000k ever notice that when u shut car off about 5sec later there is some clicking noise that comes from the manifold area????? what is this??? sounds like something closing.

 

The exhaust cooling? When exhaust parts cool... the metal contracts and clicks... unless you're describing something different....

 

no not at all. under hood lasts 2-3 seconds, reminds me of fuel injectors priming upon start up.

 

I've always thought it was the alternator shutting down or something.

 

Those sounds are just the hot parts of the engine cooling rapidly.

 

How does that happen? The alternator stops turning when the belt stops.

 

Why would a fuel injector require priming? It's part of a pressurized fuel system.

 

There are two distinct sounds:

1) Engine parts cooling. Sounds like clicking and it will do it for several minutes.
2) One distinct click. My 2000 does this too. You don't have to turn the car on to have it happen - merely turn the key one click short of ignition, then when you turn the car off again you hear this single click from the engine compartment. I asked about this before and it's perfectly normal. It's a solenoid or something...but in any case don't worry about it.

 

not hot when this happens all the time, a selanoid.

 

does it go click click click click click...? i have that type of sound and i think it has something to do with the starter. I used to have that sound, then my starter died. I replaced my starter and the sound went away, but now the sound is slowly coming back. This might be coincidental though.

 

yeah i have this sound also, i always thought it was normal, so i didnt really pay any attention to it

 

yes I get that sound every time i turen the car...i havea video/sound clip of it just dont know how to get it publically on the internet

 

That is not the sound of engine parts cooling. It is a solenoid or something. I have always thought it had something to do with the immobilizer system and the throttle body/IM. It's normal.

 

That clicking soung is most likely the trottle bypass valve closing when you turn off the ignition. When the trottle is closed, the bypass valve opens to allow the engine to idle. This valve is what controls the idle speed.