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  1. #1

    Default draining all coolent from your engine block

    book says to open both right and left drain plugs on the engine but I could only find the
    one on the drivers side. Can someone point out were the other one might be?
    Thats on a 4.3
    Last edited by bobby1964; 06-26-2010 at 04:12 PM.

  2. #2

    Default

    its just in front of startermotor

  3. #3

    Default

    Quote Originally Posted by bobby1964 View Post
    book says to open both right and left drain plugs on the engine but I could only find the
    one on the drivers side. Can someone point out were the other one might be?
    Thats on a 4.3
    if it's fuel injected the other side drain could be home to the knock sensor.
    1986 Chevy G20 Tow Rig - 5.7 TBI conversion
    1978 Mustang II King Cobra Road Racer - Holley 650, MSD 6AL, 5 speed, 10 point Roll Cage, 9" posi, fuel cell, custom interior.

  4. #4

    Default

    okay,that sounds reasonble.on my 00 4.3 cpi, ive got 2 regular drainplugs in middel of block and a knocksensor somewhere i have not checked.just changed my cooling mix.

  5. #5

    Default

    Theres to much crap on the passenger side. Starter,Motor mount, wiring,etc.I didn't see the knock sensor. i just opened just the drivers side. Gm says theres 2 I dont now I looked. It Doesn't matter its all done for now. But thanks anyways.

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