Installing Brake Booster question..

Azca

If there is a harder way - I will find it...
Joined
Oct 25, 2007
Messages
1,597
Location
Surprise AZ.
Going to rub salt in the wound here. Last time I did it, about half an hour to 45 min. Booster came out smooth as silk. On the other hand, I had changed it at least 3 times prior so I had experience. I hopefully will never have that issue again as I am going hydro boost. First time I did it, at least 3 hours maybe 4.

Learned that you take everything out from under the dash and bunge the brake pedal to the steering wheel after taking the lower part of the dash apart. Yes, it takes time to do all of that but it makes life much easier.
 

lumbee1

Native American
Joined
Sep 21, 2011
Messages
4,012
Location
Holly Springs, NC
Going to rub salt in the wound here. Last time I did it, about half an hour to 45 min. Booster came out smooth as silk. On the other hand, I had changed it at least 3 times prior so I had experience. I hopefully will never have that issue again as I am going hydro boost. First time I did it, at least 3 hours maybe 4.

Learned that you take everything out from under the dash and bunge the brake pedal to the steering wheel after taking the lower part of the dash apart. Yes, it takes time to do all of that but it makes life much easier.
90% of the time was spent under the hood trying to get the old booster out and installing the new booster carefully. The under dash work went exactly as planned except for the bracket falling down.
 
Joined
Dec 4, 2004
Messages
2,345
Location
Tucson AZ
I was dreading putting the the booster, but it went pretty smoothly and I was happy. Replacing all the brake soft lines was another story. Almost all the hardline flares were mushroomed to the point that I couldn't thread the new brake lines on. That was not fun.
 
Joined
Mar 15, 2021
Messages
378
Location
Orangevale (aka, Sacramento)
Going to rub salt in the wound here. Last time I did it, about half an hour to 45 min. Booster came out smooth as silk. On the other hand, I had changed it at least 3 times prior so I had experience. I hopefully will never have that issue again as I am going hydro boost. First time I did it, at least 3 hours maybe 4.

Learned that you take everything out from under the dash and bunge the brake pedal to the steering wheel after taking the lower part of the dash apart. Yes, it takes time to do all of that but it makes life much easier.
I thought mine was difficult until I read the posts above. Getting the new one in took some pry bar work. At first I thought it was "bigger" than the one I took out, but it was exactly the same. So, I figured if I could get it out, I can get it back in.
Also; and this might be significant...
3 months earlier I did a complete rebuild, including new engine mounts. Perhaps 1 or 2 mm riding higher/forward made a difference?
Job took a few hours, tops. [Only did the booster]
 
Joined
Jan 6, 2012
Messages
9,595
If its time for a new booster it might also be a good time to consider upgrading it rather than just replacing it. I think when upgrading brakes it's best to upgrade brakes starting at the pedal and working your way down. A booster has a major impact on brake clamping force, if not the most impact in the entire system in clamping force. Several boosters are available that improve assist over a stock booster. In the 80 section on mud I would say it's the most overlooked part of a brake upgrade. The braking difference with a increased assist booster can be pretty mind blowing. With any new booster make sure your brake hoses are in good shape and or not too old.
 

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