Rattle in engine bay on warm start-up?
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Joined: Jan 2007
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Originally Posted by QUIKAG,Apr 17 2006, 01:36 PM
Couldn't find anything on a WARM engine start.
When I've driven the car and it's been parked for less than an hour or so, I go and start it, I heard a rattle for about a half second in the engine bay. Not sure it's valvetrain noise, but it's really weird in that it only does it when the engine is already warm, but hasn't sat too long.
During a cold-start up there is no noise at all. It's really weird.
BTW: Oil level is full, has not burned a drop in the 4,000 I've put so far on this Mobil 1.
When I've driven the car and it's been parked for less than an hour or so, I go and start it, I heard a rattle for about a half second in the engine bay. Not sure it's valvetrain noise, but it's really weird in that it only does it when the engine is already warm, but hasn't sat too long.
During a cold-start up there is no noise at all. It's really weird.
BTW: Oil level is full, has not burned a drop in the 4,000 I've put so far on this Mobil 1.
cause im paranoid too
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Joined: Jan 2003
Posts: 8,482
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From: Wylie, TX
Yep, could be the beginning of TCT issues. I've replaced mine twice (in <17K miles). If it is indeed the TCT, you can expect it to become worse with time... from a startup noise, to a flutter when you tap the throttle without load, to a constant "card in bicycle spoke" sound.
Without hearing it, though, it's hard to say. If you're at the auto-x this weekend, maybe you can try to reproduce it and I'll lend an ear to see if it sounds like what I've experienced w/ my TCTs.
Without hearing it, though, it's hard to say. If you're at the auto-x this weekend, maybe you can try to reproduce it and I'll lend an ear to see if it sounds like what I've experienced w/ my TCTs.
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