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Re: [oletrucks] seizing brakes on 50 GMC

To: "Williams Grant Civ 412 AMXS Det 2/MXAET" <Grant.Williams@kirtland.af.mil>,
Subject: Re: [oletrucks] seizing brakes on 50 GMC
From: "Steve Hanberg" <Steve@oldsub.com>
Date: Thu, 29 Jun 2006 13:21:18 -0700
Is this disk/disk or disk/drum or drum/drum?

The difference would be the correct choices for residual valves and I'm 
wondering if having a drum type residual where you need a disk type could be 
the issue.

Steve@OldSub.com
www.OldSub.com

----- Original Message ----- 
From: "Williams Grant Civ 412 AMXS Det 2/MXAET" 
<Grant.Williams@kirtland.af.mil>
To: <oletrucks@autox.team.net>
Sent: Thursday, June 29, 2006 6:37 AM
Subject: [oletrucks] seizing brakes on 50 GMC


> Has anyone had the misfortune of brakes seizing after driving for a while?
> I have a problem with the brakes after the truck warms up.  Particularly
> when I turn the engine off, stop somewhere for a few minutes, then take 
> off
> down the road again.  After awhile the temp gauge will start to climb 
> since
> I am running with the brakes applied. It appears the exhaust was run to
> close to the master cylinder.  I moved the exhaust further away from the
> master cylinder, no improvement.  I moved the power brake booster hose
> because I thought it might be getting some kind of vapor lock that did not
> allow the boost to disengage, as it got hot, no improvement.  The dual
> exhausts for this inline are running about 5 inches below the power 
> booster.
> Could it be locking up? That should be enough clearance.  Yes, I am 
> looking
> at running a heat shield now.  However, I am not sure that will fix the
> problem. The brakes are all new or rebuilt stock. Anyone had this problem 
> on
> any auto before?
>
>
>
> Grant





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