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Thread: Swapping heater control valve

  1. #1
    Senior Member Trstno1's Avatar
    Join Date:  Aug 2014

    Location:  Anchorage, Alaska

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    Swapping heater control valve

    Can anyone tell me if I need to drain all of the coolant prior to swapping out the hot water valve? Or can I just swap it out and burp the system?
    You can't buy happiness, but you can buy a DeLorean and that's sort of the same thing....

  2. #2
    Delorean Guru
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    If you don't mind spilling a little, you do not have to drain the whole system. You could use locking pliers (visegrip) to clamp off the hoses but there is not a whole lot of room to work. If your coolant is over 5 years old just flush the old stuff out and refill with fresh.
    David Teitelbaum

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