Quote:
Originally Posted by iPhoneEngineer
I have good reason to believe it is the S/C for a couple of reasons:
- It's strongly RPM-dependent. Looking at the tach more the last time I left my parking garage at work where it's especially noticeable because of the echo, it seems loudest around 1,200RPM during the 1st-gear engagement.
- It seems to come directly from that part of the engine compartment, from what I can tell from having driven my car quite a bit in different scenarios where objects around the car help reflect the sound from one part more than another
- It started the day the S/C kit was installed. It may be worse with the new "9psi" pulley, and/or recently; I can't be sure.
I'd like to check the torque on everything related just to be sure...
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just one note, is the pulley bolt nice and tight??