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Frame/Suspension/Brake... Talk & Q&A All things... Frame/Suspension/Brake

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  #11  
Old 05-14-2019, 11:55 AM
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Originally Posted by dmw56 View Post
Yes I did. I was getting good flow too. I'm thinking something up with the valve.
I'd call whoever you bought it from and ask what's up, maybe it's something simple. If it's defective they should replace it!

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  #12  
Old 05-14-2019, 12:04 PM
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how old is the flex hose on the diff.
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  #13  
Old 05-14-2019, 12:29 PM
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I had the same problem with the 71 GMC Sprint and found the rear shoes were not adjusting the way they should, why There were no adjusting holes on the backing plate, so I made some, adjusted with drum on and all work well.
Good luck
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  #14  
Old 05-14-2019, 01:05 PM
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how old is the flex hose on the diff.
This can be a unknown source of severe frustration when dealing with rear brakes! Even a hose that looks OK on the outside can be deteriorated internally, and allow severe fluctuations in pressure. If there is any question whatsoever, replace it. Cheap insurance...
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  #15  
Old 05-14-2019, 02:32 PM
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Flex hose is new, good end play, drums are off to see any movement.
? ? ? ?

I'm going to start removing some lines and try to track this problem down.
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  #16  
Old 05-14-2019, 06:05 PM
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The first thing I'd check is the combo valve. I've heard more than one being the problem.
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