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#1
12-21-2009, 01:57 AM
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question about noise
i have a 01 grand prix gt 3.8 n/s.. it makes humming noise almost like a power steering pump but i want to be sure/. someone told me that i can take the belts off and then start it up and if the noise goes away then its a belt issue. my question is will the car start if i dont have the belts on and will it mess anything up?
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#2
12-21-2009, 05:48 AM
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Re: question about noise
Does your humming noise change pitch along with your speed? If it does and sounds like a single engine Cessna then It could be an hub bearing going bad.
__________________
1997 GPGT 3.8 Dark Teal Metallic. 222000 4 door sedan No Mods
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#3
12-21-2009, 09:43 AM
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Re: question about noise
You can run for a minute or so with the belts off without causing any damage.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#4
12-22-2009, 07:21 PM
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Re: question about noise
Quote:
I've done it, but like Tim said, I wouldn't do it for long at all.
__________________
  2000 Pontiac Grand Prix GTP 3.8L SII V6 S/C 2000 Jeep Grand Cherokee Limited 4.7L V8 ---------------------------------------------------- 1996 Chevrolet Camaro Z28 5.7L V8 1993 Chevrolet Suburban K1500 5.7L V8 1991 Ford Probe LX 3.0 V6 1986 Ford Tempo GL 2.3L 4 cyl.
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#5
12-23-2009, 05:17 PM
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Re: question about noise
so i took the belt off today and started the car i let it run for about a mnute or so at the most. The noise went away so my next question is what does that mean. the alternator test fine does this mean i have a bad belt tensioner or a bad water pump/ thanks everyone
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#6
12-23-2009, 07:00 PM
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Re: question about noise
With the belt off, you could turn each accessory and pulley by hand to feel for roughness. From there you should be able to figure out what the problem is.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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