Question about 1997 Chrysler Concorde

2 Answers

Radiator valve not draining

I located the radiator drain valve (a plastic stop-**** type valve), and turned it 90 degrees to the stopping point - but no flow.

Radiator cap is off, as is vent valve on thermostat.

Does this valve need to do something else to flow ? Like pull out, etc ?

Thanks -

Rob.

Posted by on

  • rjk137 May 17, 2009

    how do you remove it ?

  • rjk137 May 21, 2009

    OK - figured this out - and I probably didn't explain it well enough initially. The 1/4 turn 'petcock' valve does turn, but then has to be pulled outward to drain. It can be removed (as commented above), but to flow in the first place, it has to be pulled out partially. If you look up the replacement part, you can see what it does. This web site removes certain words, so if 'petcock' has 4 *'s in it, thats not from me !



    Thanks for the hints - it got me in the right direction.



    Rob.

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  • Chrysler Master
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Hi Rob: No special tricks that OI know of, but if there is any seepage it may be restricted by sediment. Close everything up, cap, vet and whatever, then fire up the engine with the drain open. until the blockage clears. Or, remove the whole valve from the radiator. Be careful of hot cookant. Good Luck - Ned

Posted on May 17, 2009

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  • Ned C Cook
    Ned C Cook May 17, 2009

    Hi Rob: No special tricks that OI know of, but if there is any seepage it may be restricted by sediment. Close everything up, cap, vet and whatever, then fire up the engine with the drain open. until the blockage clears. Or, remove the whole valve from the radiator. Be careful of hot cookant. Good Luck - Ned

  • Ned C Cook
    Ned C Cook May 18, 2009

    drain valve is replaceable as a unit. remove whe vavle completely and if still no drain remove radiator cap and try to clear the hole with a pencil or the like. If you have a pressure tester , pressurrize the system That is what starting the engine would do as it warmed up. Again caution with hot fluids. There is no reason for it not to drain with drain completely removed. Some petcocks open by screwing in, not out. consider that.
    Let me know please.

  • Ned C Cook
    Ned C Cook May 21, 2009

    Thanks for sharing that rob. Sorry it wasn't caught sooner.

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  • Expert
  • 41 Answers

If you take that drain plug out it will drain that's what i would do

Posted on May 17, 2009

  • justin barath May 17, 2009

    drain plug will screw out

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Draining and Filling Cooling System

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Important: Do NOT add any engine coolant supplement sealant pellets to the cooling system. Drain and refill the engine cooling system every 5 years or 240,000 km, (150,000 mi) , whichever occurs first.

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