Quote:
Originally Posted by Matt L
Here's a wild guess, but check your vacuum pump.
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I did listen to it with the stethoscope, and it did sound like it had a bit of knocking going on, but so did the water pump as well... And it made me wonder if I was listening to a local noise or the noise that could have been transmitted from the main engineblock housing...
What sort of sounds would a vacuum pump make when it's starting to go bad? So far, I don't have a problem with vacuum and did not yet notice oil in the vacuum lines... Just out of curiosity, I saw a rebuild kit for the vacuum pump and it was pretty cheap - how easy or hard is it to rebuild?