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  1. #1

    Red face 94 Chevy K1500 gushing transmission fluid from front seal

    I've got an awesome 1994 Chevy K1500 with a 350 turbo transmission that is leaking or should I say gushing transmission fluid from the front seal bad and I need some help!!!

    When I started my truck the other day, transmission fluid started pouring out the front seal.

    So we replaced the front seal, changed the transmission filter, flushed tranny & made sure the vent tube wasn't clogged. But when we started it, truck is still GUSHING fluid from the front seal???? We cant figure out why???

  2. #2


    Welcome to the club, it's good to have you aboard. I don't know anything about transmissions but if you post this in the tech section of this forum you will get better results.

    2002 Chevrolet Silverado Extended Cab SportSide: See Mods in My Garage

  3. #3


    Welcome to the GMTC! I would post your issue in one of the tech forums with pics if you can and more description. Also add in how many miles it has. Your pump may be the problem or one of several things. It is odd that id only leaks while the truck is on no when it it sitting because it should at least drip from the leak while sitting.

    1996 Chevy Tahoe LT 5.7L V8 4X4 205,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
    Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods.

    Check out my other mods in My Garage:

  4. #4


    Welcome to the G M T C ! Good advice in the posts above! Good luck!

    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  5. #5


    We are the Borg. Lift your vehicle and surrender your keys. We will add your biological and technological distinctiveness to our own. Resistance is futile. Welcome to GM Truck Club!

  6. #6


    Welcome to the club
    Tim Walters (Curky)

    Wrangler AT/S 265/70R17 - Trail-FX window vents - Husky fitted splash guards - Silver Star zXe - Leveling kit -

  7. #7
    Sr. Mechanic Ethan's Avatar
    Join Date
    Sep 2009
    Cedar Park, TX


    Why do you have a turbo 350 in a truck that should have a 4l60e? And my best guess on the leaking is that the front pump is toast.
    1994 Chevy Silverado 1500 Ext Cab 350 cuin TBI in dark Chevy blue
    160,000+ miles
    Original paint
    Original interior
    Original engine and tranny
    wrecked twice stolen once
    Diamond Plate bed rails
    Power windows
    Original Alloy wheels
    Original fancy smancy cup holder
    Tow package
    Original plastic bed liner
    K&N Cone Air Intake
    Dual MagnaFlow exhaust(not true dual) with chrome tips
    MSD Street Fire Performance Ignition coil

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