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Chevy Venture overheating problem

110 messages,  Last post on Nov 30, 2009 at 11:24 AM

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What is this discussion about? Chevrolet Venture, Engine, Van


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#31 of 110
Re: 2002 Chevy Venture WB AWD [spelly3388] by k00l4id
May 05, 2008 (12:45 pm)
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Replying to: spelly3388 (May 05, 2008 12:37 pm)

has the head gasket been replaced on it? and the thermostat has been changed?
#32 of 110
Re: 2002 Chevy Venture WB AWD [k00l4id] by spelly3388
May 05, 2008 (12:52 pm)
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Replying to: k00l4id (May 05, 2008 12:45 pm)

The head gasket no, the thermostat I'm not real sure but I'm going to say no.
#33 of 110
Re: 2002 Chevy Venture WB AWD [spelly3388] by rockbazz
May 16, 2008 (11:08 am)
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Replying to: spelly3388 (May 05, 2008 12:52 pm)

Hello, I too am experiencing the exact same overheating scenario as you are.
It is a 2002 Venture (not AWD), but I'm sure that has no impact on this issue.
I have had my head gaskets changed twice on this vehicle already. I live in upper Ontario (Canada) and we had a cold winter here. I originally started having these symptoms last year but I thought I had problems starting the car because my gas meter was messd up ( meter seemed low, so I went home got gas, put it a few gallons and it started up!) So, they changes the gas meter. Obviously, not the problem as I've found out.. I got stranded again 2 more times before Winter. The 1st day of warm weather here (last weekend), it heated up and I had to stop the car, and it wouldn't start up after 20 minutes and in the location I was in, I had to have it towed and it started up as soon as it got off the tow truck.. Now the extended warrantly won't fix it because they don't think it's getting hot, after driving the vehicle around for 15 minutes. My dealer feels it's the head gaskets, but his hands are tied as compression tests seem normal. arrgg.. I cannot trust this vehicle at all until this is resolved.. - I am very interested to see if there are any others that have experienced this with a resolution so we all can have some evidence of support around this issue. They will change the thermostat for $400. NOT!.. Cheers.
#34 of 110
Re: 2002 Chevy Venture WB AWD [rockbazz] by jodyr
May 16, 2008 (12:13 pm)
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Replying to: rockbazz (May 16, 2008 11:08 am)

Oh my gosh, $400.00 for a thermostat, that is crazy!! Sorry to say I too am having the same problem too, but with NO luck on a resolution as well. I am in on any sort of support group if we can get enough people and take the matter to GM. Good luck and if you ever figure it out let me know. I know when my happens again, I am driving my van right to the dealer and say "FIX IT". I can't complain to much Ol Besty has been good to me and has never quite on me. When I notice she starts getting hot I turn my heat on in the van, I know it sounds crazy and when it's 100 degrees outside it's a killer, but it works she cools right down. So, that's what leads me to believe it is a thermostat issue and/or the water pump. Again, good luck and have a great day!
#35 of 110
Re: 2002 Chevy Venture WB AWD [jodyr] by 442dude
May 16, 2008 (12:15 pm)
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Replying to: jodyr (May 16, 2008 12:13 pm)

$ 400.00 is about average for a mechanic to do the job...its almost all labor to get to it as you have to take the intake plumbing out and remove the exhaust crossover pipe just to get to it...just like most repair jobs on the Venture, parts aren't very expensive but the labor is a killer due to the way that they shoe-horned the motor in there...
 
 
#36 of 110
Re: overheating ISSUES! [chases] by jodyr
May 17, 2008 (10:15 am)
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Replying to: chases (Oct 22, 2007 1:56 pm)

Great advice, makes sense if the gel is thickening up it would be to thick to pass, thanks I'll try that.
#37 of 110
Re: 2002 Chevy Venture WB AWD [442dude] by rockbazz
May 18, 2008 (5:12 pm)
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Replying to: 442dude (May 16, 2008 12:15 pm)

I suppose I agree with your comment 442dude. Just seems like a lot when I don't even know if it will resolve the issue.. we'll see what happens.. I'll be sure to post back with any up coming details.. have a great day...
#38 of 110
Re: 2002 Chevy Venture WB AWD [rockbazz] by 442dude
May 19, 2008 (4:31 am)
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Replying to: rockbazz (May 18, 2008 5:12 pm)

Maybe I missed something but it seems that your problem is that once the engine is warm it is hard to restart and not the engine overheating (temp needle all the way to the right)? I apologize if I missed this...
 
If its hard to start when hot chances are the crankshaft position sensor is going bad...yours wouldn't be the 1st or the last, its been a common problem with GM V6 engines. If its the case, a new thermostat won't make any difference.
#39 of 110
Re: 2002 Chevy Venture WB AWD [442dude] by k00l4id
May 19, 2008 (5:05 am)
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Replying to: 442dude (May 19, 2008 4:31 am)

ive heard tell of there being a clog in the coolant line in the throttle body causing the throttle position sensor to get fubar'd.....I wonder
#40 of 110
Re: 2002 Chevy Venture WB AWD [k00l4id] by 442dude
May 19, 2008 (7:57 am)
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Replying to: k00l4id (May 19, 2008 5:05 am)

Interesting....Hmmmmmmmm...
 
Is there a coolant line to the throttle position sensor? I'm not looking under the hood right now but I don't think so...Perhaps you mean idle air control (IAC)...I've heard of them failing from time to time...but I don't remember a coolant line there either...only one I can think of being near some coolant is the MAP sensor...maybe I'm wrong?
 

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