Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

B4000 drum brake problem

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  #1  
Old 01-08-2016
Wildoee's Avatar
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From: Greenwood lake new york
B4000 drum brake problem

Ok so im haveing a big problem. To start. My passenger side wheel cylinder was leaking. Ok so replaced it,shoes and hardware. Ok thats fine. Now i had to replace the driver side wheel cylinder to bleed the system. so straight forward replace the cylinder did the shoes put it together. Drove it probably 15 miles the drivers side started billowing smoke. It was hung up. Drove it home took it apart it looked like it was hanging up. But the adjuster was all the way in.

So i thought the drum was warped. Got another drum now i cant the drum to go on.the shoes dont seems like theyre sitting right. Took it apart and put it back together same problem. The only way i got the drum on at all was to pull the adjuster out.

It seems like the wheel cylinder isnt compressing when i put the shoes in
 
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Old 01-10-2016
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From: arthur
use a C clamp and clamp the wheel cylinder push rods inside the cylinder

now crack the bleeder valve just a 1/3 of turn , then bleed the brakes , there is probably gunk that preventing the push rods from full compressing inside the wheel cylinder

hence when you release the main brakes the fluid suction will draw the push rods inwards some what

plus with help from the large return spring clamped to both shoes
 
  #3  
Old 01-10-2016
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From: Greenwood lake new york
Originally Posted by cheese_man
use a C clamp and clamp the wheel cylinder push rods inside the cylinder

now crack the bleeder valve just a 1/3 of turn , then bleed the brakes , there is probably gunk that preventing the push rods from full compressing inside the wheel cylinder

hence when you release the main brakes the fluid suction will draw the push rods inwards some what

plus with help from the large return spring clamped to both shoes
Ok should it make a difference that i bought new cylinders for both sides? I did this same job on both rear axles that were ubder it and it never gave me these problems
 
  #4  
Old 01-13-2016
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From: Greenwood lake new york
Originally Posted by cheese_man
use a C clamp and clamp the wheel cylinder push rods inside the cylinder

now crack the bleeder valve just a 1/3 of turn , then bleed the brakes , there is probably gunk that preventing the push rods from full compressing inside the wheel cylinder

hence when you release the main brakes the fluid suction will draw the push rods inwards some what

plus with help from the large return spring clamped to both shoes
Ok so i tried to c clamp and it hasn't changed anything. It seems like the secondary shoe is sitting to high. I compressed the cylinder as far in as it will go and nothing has changed. If i put the drum i can hear the shoes dragging
 
  #5  
Old 01-13-2016
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From: arthur
need a picture
 
  #6  
Old 01-17-2016
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From: Greenwood lake new york
Originally Posted by cheese_man
need a picture
It wont let me insert a picture from My phone.
 
  #7  
Old 01-20-2016
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From: Greenwood lake new york
Alright so i didnt fix the problem . I still have no idea whats wrong with it. But its together the breaks drag. Im going to drive this truck till spmething goes catastrophicly wrong. And then scrap it. Any one want it. Its on craigslist
 
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