1987 Ford Ranger Resetting Dual Master Cylinder

Tiny
PSYCHO42K
  • MEMBER
  • 1987 FORD RANGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
I had a rear brake failure, and I have now repaired the problem. However now I still have no rear brakes and the Brake Warning Light is on all the time. I suspect that the problem is in the dual master cylinder and I have no idea how to determine if it is working right or if it needs to be reset after the failure. And if it does need reset how do I do it?
Tuesday, August 26th, 2008 AT 9:58 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
DID U BLEED THE SYSTEM

U need to bleed the system get the air out
have a helper pump the brake and then hold down u open the bleeder
repeat until brake fluid flow with out any air
and u have a good brake paddle
make sure u stop and check the fluid in the master every few pumps
dont let it run out of brake fluid
good luck
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Wednesday, August 27th, 2008 AT 3:07 PM

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