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High pitched squeal

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Old 06-19-2013, 12:37 PM
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Year: 1996
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Engine: 4.0
Default High pitched squeal

Hello all, '96 classic 4.0, I hear a high pitched squeal while driving, not constant just when I let off the throttle and the Rpm's drop then when I press the pedal to start going again, it only happens while at highway speeds and not from a dead stop, when I'm in the left lane I hear it do it sounds like its coming from the left side of the engine, I never hear it with the windows down coming from the r/s, it happens for about a second or so, possible vacuum problem? This has been happening for about 2 weeks and now while at a light, I can hear the belt starting to squeak, connected? Thanks for any help
Old 06-19-2013, 02:14 PM
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I'd check the condition and tension on the belt first.
Old 06-19-2013, 03:59 PM
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Originally Posted by ThatAintStock00
I'd check the condition and tension on the belt first.
X2. Check the idler pulley too. Bearing might be on its way out.
Old 06-22-2013, 12:26 PM
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Yup it's the belt lol I'm doing the head gasket and putting a new header on next week, it's on the job list, thanks for the help
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