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07-07-2002, 08:23 AM
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#1 |
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Registered User
Join Date: Nov 2001
Location: Fairmont WV
Posts: 304
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Drum Brake Locking up, very grabby..
On my 71 (disc front, drum rears) the passenger side rear brake seems very grabby and locks up eaisy. BTW I have power brakes.
I have not had it appart yet, what should I look for? Is there a spring that could break that would cause this?
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Rod Childers '71 C10 Stepside |
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07-07-2002, 08:41 AM
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#2 |
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Out of the carpool lane.
Join Date: Jan 2000
Location: Clark Co, WA
Posts: 5,673
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Check to see if the passenger side e brake cable is frozen, also maybe the star adjuster isn't doing it's job?
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1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten... |
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07-07-2002, 09:46 AM
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#3 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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When this has happened to me it was a leaky axle seal. The oil saturated brake shoes would lock up the moment the brake was applied. Nobody tailgated me that day!
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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07-07-2002, 11:38 AM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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What ever it is, you'll probably notice it as soon as you remove the drum.
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07-07-2002, 11:41 AM
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#5 |
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Registered User
Join Date: May 2002
Location: Wingate NC
Posts: 456
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Well since everyone said everything else....... I would have to say the wheel cyl
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Life is good with a 6-71 supercharged 355 in a 72 camaro 
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07-07-2002, 02:55 PM
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#6 |
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Account Suspended
Join Date: Jan 2000
Location: Woodstock, IL
Posts: 7,020
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It could be the drum brake gremlin!! That little bastard is reaking havioc in my rear brakes!!! LOL!!!!
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07-07-2002, 04:36 PM
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#7 |
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Registered Cruiser
Join Date: May 2002
Location: Las Vegas NV
Posts: 2,230
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I'm with Brad on this one. Try lubricating your parking brake cables before you do anything else. That's a pretty common problem on these old trucks.
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I intend to live forever. So far, so good. |
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07-07-2002, 05:54 PM
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#8 |
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Registered User
Join Date: Dec 1999
Location: Surrey, B.C. , Canada
Posts: 874
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Make sure your wheel cylinders are not rusted solid. Time to pull the drum off and have a look. Da-burb, I had the rear brakes on a truck lock up solid on me from gear oil on the shoes. Be fine except I was on ice and rolling at about 20mph
 . HAd to leave the beater on an road that turned from snow to solid ice. Needless to say it got creamed. Wrote off a new taurus though .Good Luck CoryM
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1970 heavy duty C-10 fleetside sport truck. Vancouver B.C. Canada http://www.geocities.com/chevroletc1070 "Take up our quarrel with the foe: To you from failing hands we throw The torch; be yours to hold it high." Lieutenant Colonel John McCrae, Canadian Army |
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07-07-2002, 07:12 PM
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#9 |
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Registered User
Join Date: Nov 2001
Location: Fairmont WV
Posts: 304
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Thanks guys, I'll be takin it off tomorrow to check it out. I have had every other wheel off recently and all looked OK. I don't see any kind of fluid, but may have a small leak. Now that you mention it I have seen fluid on tractor breaks and clutches that made them act the same way.
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Rod Childers '71 C10 Stepside |
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