Question about 2000 Chevrolet Venture

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Low coolant light flashed stopped topped reservoir read label wrong saw dont fill engine damage can result....got back on road an check engine popped on pulled over wound up losing two or three litres out of hot rad never been able to get fluid back in system had lube shop do fush they never took out thermostat test drove had bake your face of heat relieved went home parked van 2days later went to town blow luke warm barely keep windows clear..changed thermostat went back to lube shop they let system burp itself.heat was tiny bit better next mechanic lost a litre or two again made it like before..engine temp runs at 3/8 on gauge an never changes even blocked rad with cardboard for 3 hours and never heated more heater hoses are hot but at last check top rad hose was rock hard is that still a bad thermostat and or an air blockage of some kind /airlock....what do i do the van also has rear heater.....so second heatercore rear heat not great but better than front heater could lines be full of air or is it possible that that pump thing with 2 heater hoses by reservoir is that a coolant pump and could that be burnt out? an would the hoses still get hot a even without circulation?

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Your most likely problem is a bad head gasket.If you used the bleeders to remove the air from the vehicle and your are sure you got all the air out and you still have no heat and the coolant keeps coming out the over flow bottle.Then the head gasket is bad.Usually the rear head head.But I have also had the front head go bad.The best is to replace both gaskets.You should also have the heads checked to make sure they are not warped if the engine ran hot.Hope this helps.Good luck.Let me know if you have anymore questions.

Posted on Mar 21, 2011

Testimonial: " doesnt take any fluid from reservoir has new rad cap should i be flushing system with thermostat removed it does say thats the proper way?"

  • chasnjbird Aug 03, 2011

    Did any of this help I also have a Chevy venture I have had so many problems with the gaskets. Also mine likes to over heat even when it has the fluids in it.. Thank you, Chas

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