Re: OT- Farm truck brake problem

Posted by frankiee on April 14, 2007 at 15:28:31 from (74.120.20.90):

In Reply to: OT- Farm truck brake problem posted by Richard G. on April 14, 2007 at 14:31:04:

I had a Chevelle with 4 drums on it for brakes when I was 16. The brakes acted as you described when I taxed the brakes with excessive speed and going down Kimberly Mountain at 100mph.
Are your brakes getting hot? Have you got a heat gun to put on the area of the drums just after it happens?
As I understand what happened to my Chevelle years ago was that the shoes got vapor between the drum and shoe and that took the brakeing force away. Then the harder I pushed, the brake fluid would vaporize in the lines and push back on the pedel lifting my leg.
Could be wrong there as to what happened but that is what I gathered through the years.
I think you may have a heat issue with the brakes.
I notice that the flex lines were not changed.
They can go internally and act as an unwanted valve and have the brakes drag creating heat.
Also, are all the brakes working? Front and rear.
Having all brakeing done on one axle would also make heat.
If its anything like my Chevelle was, it has to be found. Not fun when brakes are needed most and the brakes push back.

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