Question about 1995 Chevrolet S-10 CA Edition

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1995 S-10 4.3 litre V6 . plastic radiator petcock leaking.

Petcock leaks after parking it after normal driving. Left running in park position, doesn't seem to leak, only when the engine is turned off. Can this petcock be cleaned and reinstalled, or should it be replaced?

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  • yadayada
    yadayada May 11, 2010

    replace te radiator

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5 Suggested Answers

  • 99 Answers

SOURCE: there is a coolant leak

Since you used a question mark after "engine oil", I assume that you're not too sure where the coolant is going. While it's certainly possible for the coolant to end up in your oil, you should be able to see byproducts of combustion in your coolant (a very dirty coolant) if the head gasket is leaking. It could also force coolant out of your overflow as you drive, but not while you are sitting idle, making it hard to actually see if this happening to your coolant. Check your coolant for signs of this "blow-by". If your engine is losing power, you might want to do a cylinder balance check.

Posted on Aug 01, 2008

david04928
  • 102 Answers

SOURCE: Removal of petcock on radiator

Did you try to turn it clockwise if you were looking from the side of the petcock or counter clockwise?
I believe that it needs to be turn clockwise and you can use pliers to make it easier. Hope I helped. If I can help more just let us know thankyou for asking.

Posted on Mar 15, 2009

  • 6982 Answers

SOURCE: where is the petcock located on a 1999 oldsmobile

Most are difficult to get to and so many don't work correctly that it it's almost silly to even use it. Far easier is to simply remove lower hose from radiator. It works better and faster. Just be careful though...Don't do hot or you may get an unwanted scalding bath!!

Posted on Jul 30, 2009

dmsr63
  • 2050 Answers

SOURCE: My 1998 Chevy 1500 with vortec 4.3 v6 leaks

You need to put pressure on the coolant system and look for the leak. If you are lucky you can find the coolant leak by following the coolant trail. It could be a head gasket, intake gasket, or coolant sensor near where you say, but take a good look to try to round it down.

Posted on Sep 19, 2009

  • 7353 Answers

SOURCE: How to remove a stuck plastic drain petcock from

just keep turning it back and forth gently while pulling back

Posted on Oct 21, 2009

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