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Thread: Power brake booster

  1. #1
    Member Mur's Avatar
    Join Date
    May 2010
    Vehicle
    1987 Olds Cutlass Ciera 2.8MPFI
    Posts
    80

    Default Power brake booster

    Hey everyone. Is the power brake booster the same for JA1 and JA2 brakes? Rock Auto doesn't list them with a brake RPO code. The master cylinders are listed as JA1 and JA2 and even JA8 codes. I have an 87 Ciera 2.8MPFI with JA2 brakes. Thanks.


    '87 Cutlass Ciera Brougham, 2.8MPFI, FE1 suspension



  2. #2
    Senior Member
    Join Date
    Oct 2013
    Location
    Northwest Lower Michigan
    Vehicle
    1989 Celebrity CL 4 door 3.1, 1989 Cutlass Cruiser 3.1
    Posts
    209

    Default

    I swapped my JA1 celebrity to JA2 with no need to swap the booster.

  3. #3
    Member Mur's Avatar
    Join Date
    May 2010
    Vehicle
    1987 Olds Cutlass Ciera 2.8MPFI
    Posts
    80

    Default

    Nice. Thanks for the info

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