1988 Ford F150 brakes fade away

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JAMES CAIN
  • MEMBER
  • 1 POST
Brakes problem
1988 Ford F150 6 cyl Four Wheel Drive Automatic n/a miles

ok,this is a off road vehicle with 44 inch tires and no brake booster, just the master mounted to the fire wall. Lines run down to the transision value or thats what i call it and then to front discs, no back, there plugged off. The master seems to blow out the back chamber and lthe pedal fades. question is , does the master need the booster? And does bigger lines from the master to the splitter valve make any differance in operation. And would a non booster master cylinder be better then the stock that came off the booster. And last, are the tires size a issue?
Jan 31, 2009 at 9:50 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Hi:
Just about everything you mentioned contributes to the problem. The tire size adds weight, the fact there are no back brakes overloads the fronts, manual brakes are very difficult to get much from, and yes a booster would help. I suggest replacing the items that the truck came with to improve braking unless it has to only have fronts.
Feb 4, 2009 at 12:10 PM
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