Quote:
Originally Posted by Da Brz
I'll bump this old thread because I've been watching my RPMs while this happens to see if the noise is tied to the engine speed or the car's speed when coming to a stop.
What I've noticed is that with the clutch out and in neutral, when coming to a stop the engine RPMs will drop down to about 500rpm and that's when you hear the rattle/knocking sound. Then the rpms shoot back up.
This sounds and looks a lot like the idle fluctuation problem my car has. Idle drops to 500rpm, engine knocks/tries to stall, then shoots back up.
I think when slowing down in neutral, for some reason the engine just wants to drop too much too fast.
Essentially, I don't think the rattle sound is the flywheel, I think it's the engine almost stalling due to dropping to too low of an RPM.
Why it doesn't do this with the clutch in and the car in gear is beyond me.
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Could be the throw out bearing, mine did this as well. Gave up the ghost at about 95k miles, bearing separated from the plastic sleeve, idk how long it was like that, but after I put in a new throw out bearing the rattle is gone.
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