Engine making a noise - again
3 months ago it started rattling 3 days after I bought it. Turned out to be the water pump. Now it's making a noise again. Any thoughts to what it could be? Here is the audio:
Boxster 3.2L Engine Noise - YouTube PO said the idler pulley had been changed. Alternator has been rebuilt (bearings included). Clutch in or out does not make a difference. Thanks. |
Does the sound change pitch when RPM's increase? Have you tried running the motor without the belt to see if the noise goes away?
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Found the problem. A bolt from said water pump change came loose and was rubbing against the belt. In the 2nd photo you can see the belt grindings. A shop changed the pump - so this is their error.
http://986forum.com/forums/uploads01...1368486307.jpg http://986forum.com/forums/uploads01...1368486318.jpg |
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My dad suspects it may have been like that. 1. The bolt won't screw back on - it seems snug (I didn't try to loosen it though). 2. If it was loose, why is the belt rubbing in 1 exact spot - wouldn't the bolt be turning? So either it was cross threaded, some dirt is preventing it from screwing back on, it's too long of a bolt, or it is loose. Any thoughts on this? (the belt is loosened in this photo) http://986forum.com/forums/uploads01...1368490522.jpg |
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