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01-31-2021, 05:45 PM
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#1 |
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Registered User
Join Date: Jul 2013
Location: Maltby WA
Posts: 435
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2001 TAHOE fan belt noise
My 2001 Tahoe, 5.3 developed a fan belt squealing noise. Sprayed some 409 cleaner on the belt as it was rotating and noise went away for a few seconds and then returned. Should be a easy fix. Replace the belt. Removed the belt and cleaned all the pulleys with a brass brush and brake kleen, installed a new NAPA quality fan belt. Started it up. SAME NOISE!! Sprayed with 409 and noise goes away for a few seconds and returns. Any ideas?
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02-03-2021, 12:17 PM
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#2 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,915
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Re: 2001 TAHOE fan belt noise
Pull your belt and check your idler & tensioner pulleys. The bearings don't last forever.
If those are OK then check the alternator and water pump.
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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02-04-2021, 12:06 PM
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#3 |
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Registered User
Join Date: Jul 2013
Location: Maltby WA
Posts: 435
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Re: 2001 TAHOE fan belt noise
Thanks, I actually have ordered those to pulleys and plan to change them out this weekend. J
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02-07-2021, 12:10 PM
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#4 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,267
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Re: 2001 TAHOE fan belt noise
Had the same issue. Idler pulley was the problem.
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