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Chevy Venture overheating problem

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

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#51 of 110 vetnure van overheat and high idle by c3banjo Jun 09, 2008 (8:33 am)
I've read through this blog and can offer this experience - the engine temp in my 2001 Venture has been fine for the last two years since having the intake manifold gasket replaced. I went as far as having the thermostat replaced but the problem came back. Dealer claimed to know squat and was completely clueless. A local mechanic new of the intake manifold gasket problem, found a small leak which went undetected due to evaporation and performed a pressure test which confirmed the problem. The van has been fine in that respect since. For the past two years the engine races in temps over 85 degrees. I posted this problem on the chevy board and opinion there is Idle Air Control valve. It's been 90 degrees plus in the NEast this past weekend and the van is racing again. The idle will reset sometimes when turning ignition off and on but its only a matter of time before it kicks up again. Last year I lost the small radiator hose and serp belt due in part to this excessive racing (71000 miles). Any insight into this problem is appreciated. I'll report back if replacing the IAC resolves this problem. On another note, I've had some goofy electrical problems with this van (fan control, rear AC vent door, stereo gets hot) but it does drive nice, has good pickup, gets good gas mileage and hauls a lot of gear - if you get a good one or can get past the BS, they're good vans. I have to keep it now - its worth nothing on trade-in!
#52 of 110 Re: 2002 Chevy Venture WB AWD [442dude] by rockbazz Jun 09, 2008 (6:31 pm)
Replying to: 442dude (May 19, 2008 4:31 am) ..well, it's finally gotten warm up here in Ottawa. We're in the 90's this past weekend. So, what happens, I drive with the AC on for about 30 mins, pull in the driveway and stop the car. The temp is under the 1/2 way mark. (shockingly). For fun, I started the van back up and it ran for about 10 secs and died. I couldn't start it back up again. The symptoms are just like running out of gas. An hour later, started up fine. Going back to the dealer with the idea that these folks need to do some digging in their database for similar issues. Count on the fact that I'll be asking them about the crankshaft position sensor!.. this is nuts - and I'm going on a long trip in 2 weeks and I don't want to take this van until its fixed.. I recalled last night that the dealer did run into the van stalling at their place a few months back in the winter even!.. They had to push it back into the garage and repair. They said it was a bad connection on the fuel pump. Well, only because the Van cooled down did it start again. - I'll be reminding them of this incident and that what they thought was the problem, actually wasn't !.. Stay tuned ... Replies to this message: fleastiff (Jun 23, 2008 8:52 am) 442dude (Jun 30, 2008 4:56 am) rockbazz (Jul 06, 2008 7:20 pm) and 1 more...
#53 of 110 Re: 2002 Chevy Venture WB AWD [rockbazz] by fleastiff Jun 23, 2008 (8:52 am)
Replying to: rockbazz (Jun 09, 2008 6:31 pm) I'm in Florida so only deal with a very warm climate and my 2000 Venture's guage doesn't really climb that high but I find that when I exit the vehicle I can smell hot metal and the plastic container for the coolant is empty. No leak detected though. It is misfiring but its running fairly quiet. Anyone have ideas as to causation? Replies to this message: 442dude (Jun 30, 2008 4:56 am) rockbazz (Jul 06, 2008 7:20 pm) rockbazz (Jan 28, 2009 7:57 pm)
#54 of 110 Re: Venture Vans [theksmom] by jhirneisen Jun 29, 2008 (7:35 pm)
Replying to: theksmom (Aug 24, 2007 5:15 pm) For all of you who have had problems with DEX COOL (including me) in Montana engines (and the other 2 GM sister mini-vans, and several other GM cars and trucks), there is a proposed CLASS ACTION SETTLEMENT. GM does not admit any problems, but it looks like they will have to reimburse effected owners. See this web-site: http://www.dexcoolsettlement.com/   Jack ....in Colorado
#55 of 110 Re: 2002 Chevy Venture WB AWD [fleastiff] by 442dude Jun 30, 2008 (4:56 am)
Replying to: fleastiff (Jun 23, 2008 8:52 am) Sounds like an internal leak...lower intake manifold gaskets or head gasket possibly...unfortunately a common failure...   I bet the hot metal smell is the cat converter as its getting really hot due to the misfire issue... Replies to this message: rockbazz (Jul 06, 2008 7:20 pm) rockbazz (Jan 28, 2009 7:57 pm)
#56 of 110 Re: 2002 Chevy Venture WB AWD [442dude] by rockbazz Jul 06, 2008 (7:20 pm)
Replying to: 442dude (Jun 30, 2008 4:56 am) I'mmm baaackkkk I just got back from a 2 week travelling trip. Prior to the trip, the dealer installed a monitoring capture device that I could enable if I had the problem and get some info to take back.. unfortunately, I didn't have the problem.. I decided to pull the trigger and have the crankshaft sensor changed... I had to do something to see if it would resolve the problem.. All was looking good until my LAST stop for gas on the highway coming home.. it did it again ....arrggg...... I'll have to let them know that we can eliminate that component as the issue.. ..it really is just like I don't get fuel to start the thing up.. strange.. I'll keep you posted of any news.. thanks to fleastiff for the URL on that claim. I understand a similar case has occurred in the Province of Ontario so I'll be looking to see how that progresses.. Cheers Replies to this message: rockbazz (Jan 28, 2009 7:57 pm)
#57 of 110 Re: Venture Vans [theksmom] by startingover Jul 07, 2008 (8:24 am)
Replying to: theksmom (Aug 24, 2007 5:15 pm) Are you aware there is a class action law suite on many vehicles, the venture included? Can only get like $400.00 or a little more if you can prove over 2k in bills but what the heck better than nothing I guess. Replies to this message: rockbazz (Jul 11, 2008 6:23 pm)
#58 of 110 Re: Venture Vans [startingover] by rockbazz Jul 11, 2008 (6:23 pm)
Replying to: startingover (Jul 07, 2008 8:24 am) Good day.. A previous person posted that there was activity in one of the States. I'm in Ontario, Canada and I just recently heard about litigation that is up and coming.. Thanks!
#59 of 110 2003 Chevy Venture jumps and stalls by mojoloco Jul 21, 2008 (5:10 pm)
Hi, I'm a woman so of course I'm gonna try to explain with noises. It kind of jumps? or vibrates at a stop light, it stalls sometimes when starting up a hill but if I mash the gas it turns out ok and doesnt stop. sometimes it makes a wuwuwuwuwuw noise but fast like tires? also, advanced told me i needed a new battery so we put one in today, and it still acts the same. The suggestions I've gotten are : fuel pump, alternator wire and alternator..............from different people. Advanced said the alternator is fine. The battery still reads low voltage. Return Code : VCMMM - Starter test = normal, Charging system test = no problems , Any help please? Replies to this message: davet_1961 (Jul 22, 2008 3:20 am)
#60 of 110 Re: 2003 Chevy Venture jumps and stalls [mojoloco] by davet_1961 Jul 22, 2008 (3:20 am)
Replying to: mojoloco (Jul 21, 2008 5:10 pm) Well, my venture is a 98 model and wasn't making the sound you describe, it was shaking and stalling, losing coolant and idling roughly. If your engine has EVER overheated, I'd suggest having the compression tested to see if one of the head gaskets is blown. Mine blew a head gasket, I had it repaired (about $800 at my local mechanic, probably a $1400 job elsewhere) and now it runs perfectly.

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