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Vans & Minivans Chevy Venture GM's triplets Venture, Silhouette, and Montana
1585 messages, Last post on Jul 02, 2009 at 3:33 PM
You are in the Chevy Venture Forum. Your Host is Karens
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Replying to: jhirneisen (Oct 12, 2008 6:18 am) Jack |
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I have a 99 silhouette and it overheated recently. I thought it was the thermostat, but I was told today by my brother that he thinks my AC compressor is locked up. It started out with the heat not staying consistently warm and the temp needle jumping up and down. When it began to overheat it started blowing very cold air with the heat on. Does this sound right for it to be the compressor? and how big a job is replacing it?
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Replying to: wbowl99 (Oct 22, 2008 11:37 am) Jack |
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Replying to: wbowl99 (Oct 22, 2008 11:37 am) We have similar issue: 2003 Venture with fluctuating temp gauge, sometimes overheat indicator, intermittent cold air from heater. Vehicle is having cooling system detergent flush right now, I hope it's not a head gasket. Already replaced intake manifold gasket because of misfire in cylinder #3 (7/08) and replaced thermostat (11/08). Can anybody say how these symptoms are finally repaired?
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Replying to: FriedHog (Nov 25, 2008 10:03 am) Has anyone pulled out the temp sensor to solve this? I did this when my head gaskets got replaced and found some gunk on the tip of the sensor. I took some fine sand paper and cleaned it really well. I have had no problems with the temp guage since. Check the electrical connection too. My best friend lately with this van has been eletrical contact cleaner, emory board to clean the pins and electrical grease. |
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Somewhere above it was suggested to use Ceramic Brake pads on the Silo. Stock front pads work best (Ceramic did not work well on ours, we just had warped rotors more often). I found having the rear brakes adjusted every 10,000 miles or so worked things out with. If you don't adjust the rear, your brakes won't work worth a sh_t. |
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Replying to: FriedHog (Nov 25, 2008 10:03 am) You may need to repeat this procedure once or twice. Jack
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Replying to: jhirneisen (Nov 25, 2008 10:54 am) Here's more trivia related to this cooling adVenture (2003 3.4L 107K): Mechanic does not think there are head or head gasket problems. I had engine flushed because of DexCool issues posted elsewhere on these forums. Likely also not my problem. Mechanic told me it didn't need to be flushed, and only did single flush even though I requested two flushes. I thought maybe intermittent heat could be due to "roving" clogs. Apparently not, so now I guess it's probably trapped air. There was some temp gauge movement after third start. Not as bad as before, so Mechanic probably bled much air, but more needs to be bled. Here's the odd-ball: As the heat got cold and temp gauge started rising (5 mins into third trip) I remembered wbowl99's post #1547 about AC. So I pressed the AC button on (34F outside) and immediately the temp gauge returned to normal and heat came from the heater. Turned AC off and a few minutes later gauge rising and heat cooling again. Turned AC on again and heat and gauge returned to normal again. No third time repeat. Drove 12 miles home without incident. Question: Does turning on the AC open a valve to use additional cooling system capacity? chases: I also accept your suggestions about electrical system. I had asked for temp sensor inspection when thermostat was replaced but never got a clear answer. Either they didn't check it or thought it was not an issue. But the vehicle also has a fuel gauge issue that sounds like the connector issue mentioned in this thread: http://townhall-talk.edmunds.com/direct/view/.ee93a54/1499. I'll try to look at electrical this weekend also. Thanks guys. I'll let you know.
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Replying to: FriedHog (Nov 25, 2008 8:05 pm) Jack |
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Replying to: jhirneisen (Nov 26, 2008 11:25 am)
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