high pitch sound coming from passenger side of engine?

501 Views 3 Replies 3 Participants Last post by supra360, Jan 15, 2004

supra360

Discussion Starter · Jan 14, 2004

the sound turns on/off... I am thinking it might be the secondary air injector... can some one help me please? thank u!!

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Re: high pitch sound coming from passenger side of engine? (supra360)

Does it sound like a vacume when it goes on, and does it mostly go when the engine is warming. If it does that thats your Smog Air pump and is a normal sound.

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Evolution Marine

· #3 · Jan 14, 2004

Re: high pitch sound coming from passenger side of engine? (supra360)

supra360 - It might be the Idler Pulley bearing starting to dry out. - Bob

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supra360

Discussion Starter · #4 · Jan 15, 2004

Re: high pitch sound coming from passenger side of engine? (vwbrvr6)

YA!! it sounds like a vacume! it only really turns on when warming up or if it's really cold out !!......... thank u very much!!!!

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