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06-26-2007, 07:07 PM
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#1 |
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Registered User
Join Date: Aug 2003
Location: MN
Posts: 380
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Belt squeal
My belts are squealing when I accererate hard on my 350. I have stock accessories(alt and ps) and both belts are tight? Why would they still be making noise? How can I fix it? Would "belt dressing" help?
Thanks
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1972 C10 1972 C20 
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06-26-2007, 08:14 PM
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#2 |
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It's the air up here
Join Date: Mar 2007
Location: Western Colorado
Posts: 710
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Re: Belt squeal
Sometimes belt dressing helps, untill you fix the problem, but not a fix. First make sure that your belts are the correct size for the grooves in your pulleys as well as that the pulleys are all the same groove. Next I would check the grooves in the pulleys and make sure they are not glazed. If they are then some med emery cloth can be used to scuff up the pulley grooves. Dont forget also to check the belts now for glaze or being very slick and shiney if they are replace them after you find the cause of the problem.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c  Never drink down stream of the herd! Eric Last edited by eedgell; 06-26-2007 at 08:15 PM. |
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06-26-2007, 08:31 PM
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#3 |
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Registered User
Join Date: Aug 2003
Location: MN
Posts: 380
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Re: Belt squeal
Okay I will start there thanks!
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1972 C10 1972 C20
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06-26-2007, 08:41 PM
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#4 |
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It's the air up here
Join Date: Mar 2007
Location: Western Colorado
Posts: 710
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Re: Belt squeal
Also, make sure after everything else checks out, that your belts are not too tight. This can cause belt squeal, and belt failure as well.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c Never drink down stream of the herd! Eric Last edited by eedgell; 06-26-2007 at 08:42 PM. |
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06-26-2007, 10:26 PM
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#5 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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Re: Belt squeal
Mine also squeels when I shift hard!
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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06-26-2007, 10:38 PM
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#6 |
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Registered User
Join Date: Feb 2007
Location: Tyler, Texas
Posts: 119
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Re: Belt squeal
One other thing to look for. Make sure the belts are in line. Squeal can happen if they rub against the lip of the pulleys because of misalignment of the belt path. There is always a little slop around the shaft of the bolts and if its to far off you can actually see the pressure points if you look down the belt path.
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CARPE CERVASIUM!  1968 C10 Fleetside LWB Remember Cthulu is watching you! / (@) (@) \ |
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