Brake booster ?s
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Joined: Nov 2005
Posts: 71
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From: Parma, oh
Car: 2012 Impala ltz 1988 Gta project
Brake booster ?s
I am going nuts on this car. Reassembly every piece i touch is got a little modifications here and there.
I am working on putting the brake booster back in. When i went to install the push rod between the booster and master looked a little short. I pulled it out and its been cut. I have no clue why it would have been shortened. So I am looking for anyone that know what the proper length should be. Also there are not a lot of 3rd gens in the yard. Can i use the rod out of a 4th gen with my stock booster and master cylinder? If not that does anyone know where i can get just the push rod. I am not being cheap but I am trying to put things back together to focus on things that are bad and saving money on things that are fine.
I am working on putting the brake booster back in. When i went to install the push rod between the booster and master looked a little short. I pulled it out and its been cut. I have no clue why it would have been shortened. So I am looking for anyone that know what the proper length should be. Also there are not a lot of 3rd gens in the yard. Can i use the rod out of a 4th gen with my stock booster and master cylinder? If not that does anyone know where i can get just the push rod. I am not being cheap but I am trying to put things back together to focus on things that are bad and saving money on things that are fine.
Joined: Mar 2001
Posts: 10,412
Likes: 2,083
Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: Brake booster ?s
Push rod is not interchangeable between 4th gen and 3rd gen. https://www.thirdgen.org/forums/brak...ml#post4880604
Easiest path (and possibly only path) is to get a brake push rod from a junkyard. I have no idea if/where new are sold. The correct length of pushrod is the length that produces about 0.020" gap between rod and master plunger when at rest. http://www.mpbrakes.com/techtalk/how...r-cylinder-gap
Easiest path (and possibly only path) is to get a brake push rod from a junkyard. I have no idea if/where new are sold. The correct length of pushrod is the length that produces about 0.020" gap between rod and master plunger when at rest. http://www.mpbrakes.com/techtalk/how...r-cylinder-gap
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Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: Brake booster ?s
It might be a good idea to just source a rebuilt booster. The rebuilt booster should already come with the push rod installed.
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