HELP!! - Spongy Brakes
Thread Starter
|
Tuned
Joined: Apr 2003
Posts: 351
Likes: 1
From: Davis County, UT
HELP!! - Spongy Brakes
Hey Folks,
One of you brilliant minds surely can help me. I just got my truck on the road after a year of repairs. $5K+. Anyway; rebuilt the whole brake system, IE: New Booster, M-Cylinder, Calipers, Brake Cylinders, Hoses, steel lines, etc. Have power bled, there is no-air. I have no real pedal presure until almost the end of the travel of the pedal. Any thoughts?? I have heard upgrading to 1-Ton booster and cylinder might work. Thanks for your help.
PS: My rear shoes are adjusted out as far as they will go!!
One of you brilliant minds surely can help me. I just got my truck on the road after a year of repairs. $5K+. Anyway; rebuilt the whole brake system, IE: New Booster, M-Cylinder, Calipers, Brake Cylinders, Hoses, steel lines, etc. Have power bled, there is no-air. I have no real pedal presure until almost the end of the travel of the pedal. Any thoughts?? I have heard upgrading to 1-Ton booster and cylinder might work. Thanks for your help.
PS: My rear shoes are adjusted out as far as they will go!!
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Still sounds like rear brake adjustment. Do the shoes drag just a little when you turn the wheels by hand? When you say the shoes are adjusted out as far as they will go what do you mean by that? Are the rear brakes assembled properly? Are all of the parts in place? Is the E-brake working properly?
Lead Driver
Joined: Sep 2003
Posts: 5,844
Likes: 6
From: Albuquerque
Originally posted by Mil1ion
Did you make the correct adjustment of the pushrod from the booster to the M/C ?
Did you make the correct adjustment of the pushrod from the booster to the M/C ?
I replaced my booster and M/C at the same time too and now how spongy brakes. I was just thinking the M/C was bad. Afterall...sometimes they are.
Thanks,
Elder User
Joined: Mar 2003
Posts: 588
Likes: 0
From: AZ.
I just changed the original M/C on my '73 last week and had no trouble. I think it is necessary to bench bleed it. Anytime I didn't do it I had spongy brakes and had to take it back off and bleed it right. Just a thought..
Lead Driver
Joined: Nov 2000
Posts: 6,656
Likes: 353
From: Albuquerque
If you can get more pedal by pumping you may need to adjust the rear. If not I would suspect the push rod adjustment to the power booster.
Trending Topics
Thread Starter
|
Tuned
Joined: Apr 2003
Posts: 351
Likes: 1
From: Davis County, UT
Thanks for the responses. At the time I installed the master cylinder I did bench bleed it. The rear shoes are installed correctly with all the proper parts. Has all new E-Brake cables, and the shoes and E-Brake are adjusted correctly. The shoes do make a dragging noise and I can get 2 full wheel spins with the drag.
Tell me more about this pin on the porportioning valve? Is it a bleeder screw like the rapps ABS valves or what? I did not see anything like this on my valve.
The adjustment rod between the booster and the master is supposibly pre-adjusted by A1-Cardone and should'nt have to be played with. Has anyone had to adjust theirs?
Jason
Tell me more about this pin on the porportioning valve? Is it a bleeder screw like the rapps ABS valves or what? I did not see anything like this on my valve.
The adjustment rod between the booster and the master is supposibly pre-adjusted by A1-Cardone and should'nt have to be played with. Has anyone had to adjust theirs?
Jason
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
10 Fords to Drive Before You Die
Joe Kucinski
3 Best / Worst Features Of The 2025+ Ford Expedition
Brett Foote
10 Ways Ford is LOSING to the Competition
Joe Kucinski
Top 6 Best Deals Available on New Fords & Lincolns Right Now
Brett Foote
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Verdad Gallardo
Top 10 Fords at 2026 Carlisle Ford Nationals
Joe Kucinski
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Top left of this page.
There is a specific distance for non-F350 & a specifically F-350 system.
http://mil1ion.clubfte.com/FordRelat...trations2.html
There is a specific distance for non-F350 & a specifically F-350 system.
http://mil1ion.clubfte.com/FordRelat...trations2.html