Crank pulley noise when warm
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476 whp / 323 tq @ 17 PSI
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Joined: Feb 2005
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From: Southern California
Did a search and didn't find anyone having the same problem except for one post but they never updated whether they fixed the problem or not...
As far as timing of the problem, i noticed that it was right after i installed my turbo kit and hasport motor mounts. I haven't come to a conclusion whether its the mounts causing the noise to become noticeable (versus stock mounts absorbing all the motor's vibration thus preventing this loud crank pullet noise) or from replacing the alternator belt (possibly installed too loose or too tight). As soon as the motor is warmed up, theres this loud cranking noise coming from the crank pulley, the usual cranking noise but even louder. Thinkin it might be loose, i noticed it doesn't wobble. There is no noise when the car is cold or when I rev the motor. What do you guys think it might be? Looking for a quick answer if anyone has had this problem and fixed it. Thanks.
As far as timing of the problem, i noticed that it was right after i installed my turbo kit and hasport motor mounts. I haven't come to a conclusion whether its the mounts causing the noise to become noticeable (versus stock mounts absorbing all the motor's vibration thus preventing this loud crank pullet noise) or from replacing the alternator belt (possibly installed too loose or too tight). As soon as the motor is warmed up, theres this loud cranking noise coming from the crank pulley, the usual cranking noise but even louder. Thinkin it might be loose, i noticed it doesn't wobble. There is no noise when the car is cold or when I rev the motor. What do you guys think it might be? Looking for a quick answer if anyone has had this problem and fixed it. Thanks.
Timing belt too tight? This can cause funny knocking noises when engine is hot and belt tightens.
Could be a bad water pump or tensioner as well
Could be a bad water pump or tensioner as well
Thread Starter
476 whp / 323 tq @ 17 PSI
iTrader: (6)
Joined: Feb 2005
Posts: 6,990
Likes: 0
From: Southern California
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Evs-One »</TD></TR><TR><TD CLASS="quote">Timing belt too tight? This can cause funny knocking noises when engine is hot and belt tightens.
Could be a bad water pump or tensioner as well</TD></TR></TABLE>
This is a freshly built motor with brand new water pump and timing belt. The thing is, i had the same amount of tension and set-up before installing the turbo kit and motor mounts and it was just fine.
Could be a bad water pump or tensioner as well</TD></TR></TABLE>
This is a freshly built motor with brand new water pump and timing belt. The thing is, i had the same amount of tension and set-up before installing the turbo kit and motor mounts and it was just fine.
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