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Old 10-09-2009, 03:59 PM   #1
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squeaking sound from engine

hi guys i have a 99 with a 3.8 and there seems to be a squeaking sound coming from a little round thing located behind the water pump could somebody please tell me what this thing is called and what does it do?........thanks
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Old 10-10-2009, 10:02 AM   #2
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Re: squeaking sound from engine

Behind the water pump? Do you mean the idler pulley? They sometimes squeak or make a whirling sound. They are cheap and easy to change. If it's not a pulley I'm not sure what the little round thing is lol...
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Old 10-10-2009, 11:57 AM   #3
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Re: squeaking sound from engine

With the car running, spray the belt with a little bit of WD 40 (watch your eyes, and be safe of course)

If it's the belt possibly cauisng the squeal, the WD will make it stop for a bit.. in which case.. Replace your belt
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Old 10-10-2009, 04:38 PM   #4
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Re: squeaking sound from engine

its the camshaft position sensor making a terrible squeaking noise it started doing this friday and since its started making this noise it has started to miss also but what im wondering now how hard is it to change this thing
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Old 10-10-2009, 05:42 PM   #5
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Re: squeaking sound from engine

Do you still have oil pressure? It may be a bigger problem then the sensor.
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Old 10-12-2009, 08:39 AM   #6
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Re: squeaking sound from engine

^^ the oil pressure sender in 96+ is 100% worthless it just goes to the middle of the gauge and sits there regardless... basically it comes on at 6psi ... which is stupid since if you only have 6psi its already a dead engine.

the cam position sensor, never replaced it but it cant be to hard
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