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1991 Chevy S10 4.3l PickUp Coolant Leak when not running puddle on top of intake

The coolant leak only seems to occur when the vehicle isn't running I'll find a puddle of coolant on top of intake but can't quite figure out which hose it is coming from should be simple but is a odd situation any ideas would be much appreciated

Posted by jordan needleman on

  • jordan needleman
    jordan needleman Jan 14, 2022

    No bubbling not overfilled thank you for the response also what do you mean by temp sensor do you mean the thermostat?

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Shane Burke

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Make sure you are not over filling it. i had this problem it would overheat after i parked and went inside. if I didnt see it i wouldnt know about it. get air out. check the cap and overflow for leaks. make sure fans turn on and blow hard enough to feel. im guessing you hear bubbling when you park probably about 2 min after parking its probably coming out the overflow. if no leak seen and cap is working try changing temp sensor. make sure to jack up front or park on a hill to get all the air out when you fill it.

Posted on Jan 14, 2022

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