| [GMCnet] Rear brake drums [message #119818] |
Thu, 24 March 2011 13:50  |
Richard Brown
Messages: 281
Registered: May 2009
Karma: 1
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Senior Member |
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Has anyone here had trouble with rear brakes sticking after sitting for an extended period? I'm not suer if mine are, but is there any way short of taking them apart to unstick them? Where it's sitting now isn't a good place to re-do them, but if they are, I'll need to unstick them until I can move to concrete to take them apart. A elderly gentleman said that rapping the drum with a lead hammer around the outer drum outside the shoe area would work. He owned a wrecking yard many years ago...
Richard & Carol Brown
1974 Eleganza SE
"DILLIGAF"
Lindale, Tx. 75771
903-881-0192
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Richard & Carol Brown
1974 Eleganza SE
1174 Hickory Hills Dr.
Murchison, TX. 75778
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| Re: [GMCnet] Rear brake drums [message #119820 is a reply to message #119818] |
Thu, 24 March 2011 14:00  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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I've never had that happen but have heard of it. Are you applying the handbrake when you store? Normally the rear shoes wouldn't be in contact with the drums unless something else is keeping them from retracting. Semi metallic brake shoes can cause them to stick if they aren't retracting due to an over adjusted parking brake or hydraulic hoses that are swelled inside. I would just try to move it and many time if they are stuck, you will hear a pop when they release. Otherwise I would drive it a short distance and feel the rear wheels in the hub area or if possible feel the drum through the wheel vent hole and see if they are hot.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Rear brake drums [message #119827 is a reply to message #119818] |
Thu, 24 March 2011 15:34 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Richard, it has been my experience with drum brakes that sit a long time
with the parking brake set, that the drums will rust slightly and the shoes
will adhere slightly to them. Usually rocking the vehicle back and forth
will release them. They run a few miles and polish the drums & are OK. A
problem of a more serious nature is that you might have a leaking wheel
cylinder and the brake fluid soaks into the brake shoe material causing it
to swell. The obvious fix for this is to pull the drums, and replace the
shoes and leaking cylinder, remembering that the rest of the wheel cylinders
are of the same age & probably need attending to also.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Thu, Mar 24, 2011 at 11:50 AM, Richard Brown <wings77sporty@sbcglobal.net
> wrote:
> Has anyone here had trouble with rear brakes sticking after sitting for an
> extended period? I'm not suer if mine are, but is there any way short of
> taking them apart to unstick them? Where it's sitting now isn't a good place
> to re-do them, but if they are, I'll need to unstick them until I can move
> to concrete to take them apart. A elderly gentleman said that rapping the
> drum with a lead hammer around the outer drum outside the shoe area would
> work. He owned a wrecking yard many years ago...
>
> Richard & Carol Brown
>
> 1974 Eleganza SE
>
> "DILLIGAF"
>
> Lindale, Tx. 75771
>
> 903-881-0192
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Rear brake drums [message #119844 is a reply to message #119818] |
Thu, 24 March 2011 17:54 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Senior Member |
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| Richard Brown wrote on Thu, 24 March 2011 14:50 |
Has anyone here had trouble with rear brakes sticking after sitting for an extended period? I'm not suer if mine are, but is there any way short of taking them apart to unstick them? Where it's sitting now isn't a good place to re-do them, but if they are, I'll need to unstick them until I can move to concrete to take them apart. A elderly gentleman said that rapping the drum with a lead hammer around the outer drum outside the shoe area would work. He owned a wrecking yard many years ago...
Richard & Carol Brown
1974 Eleganza SE
"DILLIGAF"
Lindale, Tx. 75771
903-881-0192____________________________________________
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Unsubscribe or Change List Options:
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Sir: on the big trucks I used a 4 lb hammer. Easy to find the one stuck it will thud not ring. I always adjusted my brakes tight then backed them off 1 click at a time till they would ring.
C. Boyd
76 Crestmont
East Tennessee
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