Question about 2001 Chevrolet Venture

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2001 Chevy Venture - My heat is not as hot as usual and blows cool when idle. Coolant level is fine. Temp Gauge isn't working.

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Sounds like you need to have the cooling system flushed out then have them put a new themostat in it. If that dont fix the prob you might have to put a new heater core in it or radiator.

Posted on Jan 23, 2013

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As Brett mentioned, a thermostat would be a great place to start. In my world I would go this route before going with a coolant flush. While a flush while remove debris and clogs from the system - it will not fix a thermostat that is stuck open. A thermo and a gallon of coolant is $20 even if you buy DexCool, plus your time. A flush is going to be upwards of $75 anywhere that offers the service.

There is the possibility of your heater blend door being stuck, but I'd examine the previously mentioned options first.

Posted on Jan 24, 2013

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Posted on Jan 02, 2017

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SOURCE: My 2001 chevy venture van

Make sure you have gotten all the air out of the system by running the car with the cap off for a bit.. also make sure the radiator overflow if at proper level.. next look at your radiator and see if it is plugged up with trash bugs what ever this will slow your cooling big time.. also look between your radiator and your air condition condensor and make sure its clean also there can be trash in there causing it to heat .. also check belts make sure they are tight.. really sounds like you started with air in system and system might be air locked needing to run a bit with cap off when cool. dont take cap off when hot ... make sure over flow is full also... thanks and holler if you need more. Jerry

Posted on Apr 22, 2009

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