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  1. #1

    Default NooB ~ 1992 GMC Sierra 3500

    Hello all, Recently got a 92' GMC Sierra 3500 which is my first truck. I have to say that, I don't know why I never thought of getting one before and how I went so long without one lol. I'm glad to be apart of the forum and already have a question for anyone willing to answer.
    The truck sat for six months before I bought it and was started every two weeks during that time frame. I noticed when I did a coolant flush on it that the fluid was beyond bad and brown and rust coloration. The owner said that the heater worked great before he parked it but when I got it the fan blows fine but the heater will not get hot. I asked him about it and he said that the electronic control unit in the dash may be bad. Can anyone shed some light?

  2. #2



  3. #3


    Welcome to GMTC!

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    275/65R18 Toyo Open Country AT2's
    2" Rough Country Leveling Kit(want to get the 2.5 RC kit)
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Cat-Back Dual Exhaust
    Black Bowties
    Diablo Sport Predator(AFM Disabled)
    Towing Mirrors
    Next Planned Mods
    Blacked out Tail Lights
    Aftermarket Rims

  4. #4


    Welcome to the club, it's good to have you aboard.

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

  5. #5


    Welcome to the G M T C! You may want to post your question in one of the " Tech' " forums. 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

  6. #6


    welcome mate
    Last edited by pepper77; 11-15-2012 at 08:33 AM.

  7. #7
    Sr. Engineer
    Join Date
    Feb 2012
    Western Maryland/Wyoming


    Welcome to the Club.

  8. #8


    Cant wait to see pics of you truck.

    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:

  9. #9


    Welcome to the club. take a look around and post the two questions in the proper form and you will get an answer i'm sure. If you need to a little direction just let us know
    Tim Walters (Curky)

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

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