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12-18-2004, 04:45 PM
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#1 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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Brake squeel question
My brakes sound like fingernails on a chalk board!. It used to only do that when I really stomped on them but now it's constantly. I have power drum brakes and recently pulled all 4 wheels to look at the shoes and clean all parts real good . They all look good!. My master cylinder leaks a little out of the top. What would cause this annoying sound?
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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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12-18-2004, 10:01 PM
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#2 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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Number one..are your shoes riveted or bonded...ie glued...if your shoes are bonded..change them...you will never stop the squeel
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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12-19-2004, 12:54 PM
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#3 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
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Tom, I honestly can't remember. I think they might be bonded. They never used to make this sound all the time like now.
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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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12-19-2004, 02:39 PM
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#4 |
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Registered User
Join Date: Dec 2002
Location: Tampa
Posts: 1,191
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Could be just that the rotors are glazed. You can put a sanding disc (the 3M Scotchbrite work best, but a sanding disc around 120 grit will work) on a 90 degree and hit the rotors. Some backing plates make it impossible to do the back of the rotor without taking of the caliper but it can be done on the spindle.
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'68 Short Step LS1/T56, Hydratech, Fatman Fabrications Stage III, Baer, Hot Rods to Hell, US Body, S&W, etc |
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12-19-2004, 03:03 PM
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#5 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
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My truck has power drums. I cleaned the drums and everything else real good.
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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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12-19-2004, 09:05 PM
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#6 |
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Registered User
Join Date: Dec 2002
Location: Tampa
Posts: 1,191
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Sorry, I missed that. But the same still applies about the glazing. You have to use a abrasive or have them turned to get the glazing off. Good luck figuring it out.
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'68 Short Step LS1/T56, Hydratech, Fatman Fabrications Stage III, Baer, Hot Rods to Hell, US Body, S&W, etc |
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12-20-2004, 08:24 AM
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#7 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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The drums looked good. I really need to bite the bullet and upgrade to a disc kit but can't justify the cost right now.
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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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12-20-2004, 09:18 AM
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#8 |
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Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,834
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I've had some that did that, shaped the edge of the brake pads near 45 degrees and they stopped.
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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12-21-2004, 03:01 AM
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#9 |
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Registered User
Join Date: Jul 2002
Location: Arroyo Grande, CA
Posts: 125
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If everything looked ok when you had em apart, I agree with a couple of the others, could be glazed. You can sand em down, as mentioned, Or do what i do with the forklifts i work on and just ride the brakes like crazy til it stops squealing
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72 SB 4x4 -Duner97 |
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