pegleg
Registered User
Twice now I've been going down the road and went to stop and the pedal went to the floor no broken lines and on the master cylinder but it full, after a little wait the brakes work again?:
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brakes what brakes?
- Thread starter pegleg
- Start date
'94IDITurbo7.3
HAMMER DOWN!
Do you still have the RABS valve on the truck. if so that might be your prob.
'94IDITurbo7.3
HAMMER DOWN!
Any brake or abs lights on?
pegleg
Registered User
no lights on, and what is the rabs valve? also my truck is an 83 almost stock.
'94IDITurbo7.3
HAMMER DOWN!
RABS Valve is the rear anti-like brake valve and it is along the driverside frame rail. i am not sure if your truck will have that though or if it is in the same spot as i described.
pegleg
Registered User
thanks 94iditurbo 7.3 I'll look for the valve I'm thinking of hydroboost mod.
'94IDITurbo7.3
HAMMER DOWN!
i would say don't waste time thinking about it and just go straight to doing it. from what i hear you will not regret it.
bghnkinf350
Registered User
Check your master cylinder. Sounds like it could be a bad internal seal.
f-two-fiddy
Registered User
Goofyexponent
Mentally Unstable..
exactly my thoughts too. If you have no leaking lines, and your resivoir is full of fluid, then your master cylinder is bypassing inside.
Think of it as REALLY bad piston rings not holding the cylinder's compression in an engine.
Your options are to buy a new/remanned one, rebuild yours or find a good used one.
The bigger bore masters came on an F350.....so if you have an F250....if you ask for an F350 (1 5/16" bore?) master you will have gained a little more braking power and volume.
Think of it as REALLY bad piston rings not holding the cylinder's compression in an engine.
Your options are to buy a new/remanned one, rebuild yours or find a good used one.
The bigger bore masters came on an F350.....so if you have an F250....if you ask for an F350 (1 5/16" bore?) master you will have gained a little more braking power and volume.
