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93 suburban transmission removal

Discussion in 'GM Powertrain' started by vintage_car, May 29, 2010.

  1. vintage_car

    vintage_car New Member

    how difficult is it to pull the transmission and re-install it on a 93 suburban. I'm fairly certain mine is toast. I have removed and reinstalled a transission on a small import car, never a large truck. i'm a decent shade tree mechanic. any tips or tricks?
  2. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    The T-case and trans as a complete assembly is real heavy, I recommend separating them before removal.
    I'd use a trans jack to do the job if at all possible.
  3. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    Not too difficult of a job. Not fun by any means though.

    What is the current trans, and what is your plan for repair? Junkyard transmissions are a huge gamble. Make sure you flush the trans cooler in the radiator, and replace the stacked plate cooler in front of the radiator.
  4. ThatSilverStepside

    ThatSilverStepside Rockstar 4 Years 100 Posts

    Its more physically demanding than mentally. Pretty strait forward job. If its a 93 its a 700r4. I wouldn't buy one of those out of a junk yard seeing as they are all junk..I'm about to put the 4th trans in my truck. Smoking one about every 30k since I build the engine..I would find a good trans that's build up otherwise its a lost cause
  5. vintage_car

    vintage_car New Member

    well the tranny leaked tons of fluid when I was pulling a boat. I mean tons! put 10qts through it in 30 miles. I have degreased it and am about to slide under and see what caused it. I had heard these transmissions were weak and if I do decide to replace it, it will be with a rebuilt- not going salvage yard route. With that much fluid coming out, I'm hoping I just blew out a gasket or line broke somewhere....
  6. vintage_car

    vintage_car New Member

    fluid seems to be leaking from the weep hole on the bellhousing... what does that indicate?
  7. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    Front seal or pump seal. Either way, the trans will have to come out.

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