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    Superior Gm Transmission

    2.0 (8 reviews)
    Closed 9:00 am - 5:00 pm

    Services - Superior Gm Transmission

    Auto transmission repair

    Transmission leak inspection

    Superior Gm Transmission Photos

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    Boomer Auto Repair

    Boomer Auto Repair

    (7 reviews)

    I took my pickup in to have a so-called tune-up replace the thermostat. They charged me $700+ . The…read morefender liner was rubbing the tire. And now I have a massive oil leak. I think that they are a bunch of shisters. BTW my check engine light is still on.

    Don't walk, run away from these people. They're very nice and will ruin your vehicle. We brought…read moreit in for a rear differential, mech noted seepage in oil pan, so we said fix it. We ALWAYS repair our vehicle for any issues and practice both scheduled and preventative maintenance. We went to Boomer this time because dealer was overbooked on holidays, and we got a recommendation for them. The day after leaving, driveway had THREE leak spots. Took to another shop who identified multiple bolts and gaskets not replaced, wiring harnesses hanging loose. Other issues include Air filter put in backwards. Damage to radiator putting it back in place. Damage to brackets on fan clutch that require replacement of whole fan clutch to prevent wires getting caught in fan. Turbo hose not connected properly. Overfilled transmission fluid caused additional damage. Overfilled coolant. It goes on. The $1,900 we paid to Boomer was followed by another $2,000 to repair the damage they caused. And their warranty company told us, sorry, the warranty does NOT cover poor workmanship, only parts and labor to replace the work actually done, so the warranty covered only a small fraction of the rework and new repairs that had to be done.

    Superior Gm Transmission - transmissionrepair - Updated September 2026

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