[AT] OT '68 Dodge truck brake problem

[Ralph Goff]

On 11/7/2012 10:40 PM, Richard Walker wrote:
> I'm posting this for a friend who has been having a heck of a
> frustrating time trying to troubleshoot a brake problem with his '68
> Dodge truck.  Any suggestions would be appreciated, thanks.  -  Richard
>
>
>
> My problem concerns my ancient 1968 Dodge 3/4 ton Pickup. I have owned
> this truck for 30+ years and it has never given me a problem I could not
> solve, but now I'm out of ideas. Recently (and suddenly) it started
> locking up a wheel when the brakes were applied. Visual observation
> confirmed that it was the right rear wheel. When I say locks up, that's
> exactly what happens. It stops going around right NOW. And leaves a tire
> mark on the pavement where it was and there's a smell of burnt rubber in
> the air. It should be noted that if the brake pedal is feathered very
> lightly, the truck slows down, but even a little normal pedal pressure
> causes lock-up. This is such a simple brake system -- no self adjusters,
> parking brake fully relaxed. All four drums have been off; no broken
> springs or missing attachment parts; the RR wheel cylinder has been
> rebuilt (again). Any ideas ?  -  Bernie
>
>
> _______________________

> Had that happen on a 70 Dodge pickup years ago and it was the rear axle seal that had failed allowing oil from the diff to leak into the drum, soaking the shoes and caused them to lock up early.

Ralph in Sask.
>