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Thread: 633csi driveshaft vibration solved

  1. #1
    Join Date
    Dec 2003
    Location
    Canada, ON
    Posts
    732

    Default 633csi driveshaft vibration solved

    Customer had a vibration above 37 mph towards the rear of the car...
    The differential mount was starting to tear appart the body of the car.
    - Mount welded in place vibration still there
    - Center bearing shot and changed - vibration still there
    - driveshaft removed again and sent to be balanced.
    The vibration was almost gone. I fine tuned the balancing of the driveshaft dymanically on the car with two hose clamps near the transmission.

    Vibration gone.... Customer will be happy.

    Now two injectors are leaking 125 US each ... OUCH.
    '85 Euro 635csi Race Turbo, megasquirt, Group A
    '92 525i Touring 5 speed, 3.46 diff, UUC 8.5lb flywheel, soon to be turbo.
    '02 Subaru WRX Wagon with STI springs, bigger sway bars

  2. #2
    Join Date
    Dec 2003
    Location
    Toronto
    Posts
    159

    Default Good Job Bruno! Now I know who to come to when mine starts!!

    Good Job Buddy!

  3. #3
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,839

    Default

    what threw it so far out of balance in the first place?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #4
    Join Date
    Dec 2003
    Location
    Canada, ON
    Posts
    732

    Default

    Quote Originally Posted by 632 Regal
    what threw it so far out of balance in the first place?
    who knows... the car is a 1981 in gorgeous shape. The customer picked it up for dirty cheap and we fixed ... well I fixed it up.

    There is some weird design on the engine like the injectors...

    Anyway, the customer was happy and the parts bill pretty long.

    These 6 series are pretty sexy actually.
    '85 Euro 635csi Race Turbo, megasquirt, Group A
    '92 525i Touring 5 speed, 3.46 diff, UUC 8.5lb flywheel, soon to be turbo.
    '02 Subaru WRX Wagon with STI springs, bigger sway bars

  5. #5
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    the old style with the little hoses? if just the hoses are leaking you can replace them with fuel line and clamps, the bodys can leak too and it's fun to do them on the old style intake

    Quote Originally Posted by Bruno
    There is some weird design on the engine like the injectors
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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