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2002 Chevrolet Venture 1SA Pkg 4dr Reg WB

2002 Chevrolet Venture
Trim Info:
Front Wheel Drive, 4 Door, 2WD Minivans
19 mpg city / 26 mpg hwy
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July 9, 2013, 9:12 am

Colleen M

Question: Overheating 2002 Chevy Venture FWD...replaced thermostat and waterpump..what else should we check?

Have replaced thermostat and waterpump...gets air in cooling lines and there is no white or blue smoke from exhaust. Gradually builds up as temp guage goes to Red...we stop let it cool and/or add anti freeze and it stops ovedrheating for several miles or a day. What known issues or problems are known with the Chevy Venture systems that we should check or correct?

July 16, 2013, 8:20 pm

Tyler O

Sounds like a small head gasket leak. Combustion gasses are likely entering the cooling system. This causes over pressurizing and overheating.

Use a combustion gas test kit available from most auto parts stores.

If you detect combustion gasses (the fluid will change color) you need to replace the head gasket.

Otherwise do a cooling system pressure test to find any leaks.

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