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Chevy Venture Transmission Issues

42 messages,  Last post on Aug 28, 2009 at 11:01 AM

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#13 of 42 Re: Chevy Venture Transmission [russ21] by 442dude Aug 27, 2007 (7:15 am)
Replying to: russ21 (Jun 14, 2007 7:59 am) Let me start by saying I'm only a mechanic of the "shade-tree" variety. My 2000 Venture had been doing the same thing for about 1-1/2" years. I've read that its a failure of the "transaxle pressure control solenoid" or PCS. My mechanic recommended that the trans be rebuilt to the tune of $ 3000.00, told him "no" as I failed to believe that a trans that works fine 90% of the time is in need of a rebuild.   That being said, I had 1/2 a bottle of Lucas Transmission Fix in my garage as I used it when I changed the trans fluid on my Saturn about a month earlier. (It says on the label that its good as preventative maintenance and I put it in my Saturn even though I had no issues with it.) Thinking I had nothing to lose, I put it in the Venture. For about 1 week the problem got much worse. Then it went away...that was 5 months ago...hasn't done it since. Don't know why...don't know if it had anything to do with it...but it went away. You may want to give it a shot........
#14 of 42 2001 Venture....HOLE in the tranmission? by psirasmom Nov 27, 2007 (6:49 am)
#15 of 42 2001 Venture....HOLE in the tranmission? by psirasmom Nov 27, 2007 (6:49 am)
Morning all. So....beautiful weekend until Sunday. My husband came back with my van, and the back window was covered in tranny fluid. He looks under the van, and there is a HUGE puddle...   He has worked as a mechanic in the past, so he and a friend took the tranny out last night (poor guy got back at 2am....it was close to a 5 hour pull) - apparently there is basically a blow hole in my transmission case. He says it looks like there was a "bubble" or what have you in the metal to the case, and it finally gave through (we're close to 100,000 miles).   I'm just curious if anyone else has had an issue with corrosion, etc., and if this is something I should pursue with my mechanic who rebuilt the tranny for me about 2 1/2 years ago.
#16 of 42 Re: Chevy Venture Transmission [russ21] by nickelndime Dec 11, 2007 (10:19 am)
Replying to: russ21 (Jun 14, 2007 7:59 am) Same exact thing here. My car started this back in the early fall when temps were still warm. Then it turned cold and it quit for awhile but as I drive distances longer than 20 mins, it starts up again. We thought it was all due to low tire pressure. I have my 2 right tires leaking and consistently low. It seemed as we fill them the problems go away. Then the car started doing it even when the tires were full so we knew. I had the wind up toy car noise upon acceleration and the thunk at every shift until it hits about 45/50 mph then it quits. Had it in to a dealer who said they couldn't find anything wrong with the transmission. Fluids were fine etc. Took it to another dealer, they couldn't duplicate either but left me an open ticket to bring it in immediately when it does it. I did and before the service manager left the lot, he could hear it and luckily got the check engine light when he left the lot which put in the code that there was a transmission error and a rear sensor o2 error. They couldn't find the rear sensor error but did find that there was a pressure control issue. I'm looking at a new oil pressure switch/solenoid where they have to take the whole trans apart to get to it (labor costs!-3-4 hours of work) and I also need a new transaxle oil pan filter. We'll see if this fixes it. My van is a 2000 with 95,000 miles on it. I'm looking at a $730 bill most of which is the labor and diagnosic. The solenoid they quoted at $50 although I've seen them for as low as $30. I will update later when I actually have the car a bit to see if it's fixed.
#17 of 42 Tranny Leak by yadmit Jan 04, 2008 (6:33 pm)
I have what appears to be a transmission fluid leak, however, the fluid level seems to be stable.   When my van was shifting, it would do a 'thunk' sound as it geared up, but that was only once in a while. Now that 'thunk' seems to have ended and the shifting is pretty smooth.   I'm wondering if perhaps there is another red fluid used aside from tranny fluid as I cannot seem to find where the leak is coming from exactly.   Thanks, t Replies to this message: nickelndime (Jan 07, 2008 6:53 pm) yadmit (Jan 07, 2008 7:06 pm)
#18 of 42 Re: Tranny Leak [yadmit] by nickelndime Jan 07, 2008 (6:53 pm)
Replying to: yadmit (Jan 04, 2008 6:33 pm) That's exactly how mine started originally. I had what looked like a rust orange/red pile in my driveway about the size of 3 basketballs but the several occasions I put it in, they could never find a trans leak. Then all of a sudden it quit leaking and they tell me I have a trans leak. A month passes by before I put it in to get the trans fluid leak fixed, and they then tell me there is no leak. Go figure! Am I being taken or is it all just part of the process, the come and go of the leak, the come and go of the thunk. A couple months pass and the above start happening (post16) and well that post tells you the rest. I'm having no problems since it was fixed. Good luck. Replies to this message: yadmit (Jan 07, 2008 7:06 pm)
#19 of 42 Re: Tranny Leak [nickelndime] by yadmit Jan 07, 2008 (7:06 pm)
Replying to: nickelndime (Jan 07, 2008 6:53 pm) Actually, turns out it was a coolant leak. The rad cap is shot. The coolant the last shop put in is actually about the same colour as tranny fluid. New cap, rad flush and few other odds and ends and it should be good to go.   Doesn't say much about the shop I took it to as I had a coolant flush there a few weeks ago. Guess they lost my business.
#21 of 42 Hard Jerking And Lack of Power by mudder1_2000 Jan 15, 2008 (10:17 pm)
I have a 2001 Venture. Just recently while driving at around 50mph and up it will start to jerk really hard every couple of seconds and hesite. If I push the acellerator it feels like it isn't getting any fuel. Just hesitates and jerks. If I slow down to below 50mph or so it will be fine. Also it doesn't do this while driving in the city. Only at higher speeds on the freeway.   Anyone with an answer to this problem? Thanks in advance Corey Replies to this message: 442dude (Jan 17, 2008 6:59 pm) mudder1_2000 (Jan 19, 2008 8:24 am) 442dude (Jan 19, 2008 10:58 am) and 5 more... fng985 (Dec 27, 2008 12:08 pm) rhtrans (Jan 01, 2009 5:47 pm)
#22 of 42 Re: Hard Jerking And Lack of Power [mudder1_2000] by 442dude Jan 17, 2008 (6:59 pm)
Replying to: mudder1_2000 (Jan 15, 2008 10:17 pm) This one is hard to diagnose over the internet...I've never experienced anything like this on our Venture...   Is your check engine light on? Do you have access to a code scanner, if so you may be throwing a code that doesn't make the light come on (many trans codes are like that)   But I'm not sure its a trans problem, sounds like an ignition or fuel problem to me. Maybe a coil pack getting ready to poop out? Or possibly an injector dying? The PCM is probably storing information when this is happening which only a scanner could read. With a scanner, you could even check all of the engine/trans parameters in real time while you are driving, that would probably be the best way to get an answer unless you happen to find someone who had the exact same problem...   Good luck Replies to this message: mudder1_2000 (Jan 19, 2008 8:24 am) 442dude (Jan 19, 2008 10:58 am) mudder1_2000 (Jan 20, 2008 8:52 am) krobanker1 (Apr 14, 2008 5:34 pm) and 3 more... fng985 (Dec 27, 2008 12:08 pm) rhtrans (Jan 01, 2009 5:47 pm)

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