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Chevrolet Avalanche Transmission Problems

159 messages,  Last post on May 20, 2013 at 11:40 AM

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What is this discussion about? Chevrolet Avalanche, Transmission, Truck

Messages Page 2 of 16

#9 of 159 2004 chevy avalanche transmission fluid leaks by njbjj

Jul 11, 2007 (8:58 pm)

I've been having recurring problems with my transmission leaking fluid...been taking it for service every year...getting gaskets replaced, etc. Been having this problem occur since it was purchased in 2004. They say they can't seem to find the actual cause of the leak...they just do some "bandaid" job of repair, a temp fix...as soon as I start driving it again, the leak eventually starts up again...any clues for a final solution...my driveway is starting to look like a Dalmation with all the fluid leak spots!

#10 of 159 Re: Chevrolet Avalanche: Transmission Problems [campswampy] by alc1588

Aug 26, 2007 (9:51 pm)

Replying to: campswampy (Apr 18, 2007 11:24 am)
I have experienced the same problems with my 07 Avanlanche also. My dealer says that it is normal and says he did not feel anything wrong, as if I was crazy. I know slipping when I feel it. Have you had any luck with your problem? I am about to just leave there until they find out what the problem is before my warrenty runs out!

#11 of 159 water in oil by oldmike67

Aug 29, 2007 (12:47 pm)

transmission under lite load or steady speed between 45-60 vibration in rumble strips in road. Dealer found water in oil coming from radiator trans cooler. Truck has 60,000 miles. GM will pay half of cost to repair. Cost to repair before GM $3000.00. This vehicle has seen the shop 5 times since new March 2005 problems getting worst.

#12 of 159 Re: Chevrolet Avalanche: Transmission Problems [alc1588] by gmilhon

Oct 17, 2007 (10:30 am)

Replying to: alc1588 (Aug 26, 2007 9:51 pm)
I had the exact same problem with mine slipping. I have 8k miles on my 07 and was going to wait until my next oil change to have the dealer look at it. But the other day it wouldn't shift from 3-4. They are replacing the transmission right now. I baby my truck probably more then anyone and haven't towed anything with it. So there was for sure something wrong with the transmission from the factory.

#13 of 159 Re: Chevrolet Avalanche: Transmission Problems [campswampy] by talthaus

Oct 23, 2007 (1:07 pm)

Replying to: campswampy (Apr 18, 2007 11:24 am)
My 06 same problem, my service guys told me it was due to putting 22" wheels & tires have to much bite as to the traction. The computer needs some wheel spin in order to controll the torque. They say because there is no wheel spin, it gives full torque which causes the wheel hop. They said I could a high performance forward sprag gear (called a 29 element sprag gear) in the tranny to be able to handle larger tire & wheel combo. It doesn't do it with the factory 17's only the 22's. The other thing they told me was to come to a complete full stop before shifting from reverse to drive & to lightly accelorate before mashing the pedal, but who the hell does that??

#14 of 159 cc2221 by cc2221

Dec 15, 2007 (9:09 am)

I also have and 07 AV that is having transmission problems. I have had to the dealership four times, each time the response is the same "It is within factory specs." Yesterday a GM rep drove the truck and said it was functioning according to gm specs. The tranny is designed to return to a zero pressure mode before allowing engagement. (drive,stop,reverse,stop,drive.) I have experienced anywhere from a slight hesitation to lengthy upon acceleration. I have also had the same experience setting at a light then accelerating with hesitation occuring. Now you know why GM offers the 100k drive train warranty. I would be interested in hearing other excuses offered by GM thanks

#15 of 159 Re: cc2221 [cc2221] by tapout

Dec 31, 2007 (9:47 am)

Replying to: cc2221 (Dec 15, 2007 9:09 am)
I just had my transmission go out completly on my 07 avalanche with 9000 miles. I just got off the phone with my dealer and he advised me that my transmission was shot and they were replacing the whole trans.. I had similar experiences as other. Sometimes when pulling from a parking spot I would feel like I hit a rock or something and would look and there was nothing there. It finally went out as I was pulling away from a redlight at low speed and kaboom, it was loud, I thought I got rearended. The trans then began slipping until I got home about 2 miles from where I was. Now I will have to wait a few days for a new transmission to be installed.

#16 of 159 Re: Symptom? [chadx] by chadx

Jan 03, 2008 (2:06 pm)

Replying to: chadx (Mar 16, 2007 9:53 pm)
Update to my issue:
"I've been having a problem with what I'm guessing is some type of trasfer case control/solenoid...basically, sometimes when I start it, the 4x4 selector light shows the red dot in the neutral position rather than the amber 2x4 light. Also the dash flashes "service 4x4". Other times, when I start it, it goes to Auto4x4 rather than staying in 2x4. Other times I can't shift from one mode to another. Usually, I can get it to reset by shutting off the truck and restarting. Rarely, I have to also play with the buttons and/or shift into neutral while doing so. Sound like the same thing? Mine is a 2003 with 60k miles. The problems started around 55k."
 
Issue has been fixed. I had it fixed under extended warranty. It was the transfer case module that had gone wacky. It's been about 6 months and 8k miles since the fix (with plenting of shifting to Auto4x4 and high and low 4x4 now that it's winter in the mountains) and have had no problems.

#17 of 159 6-SPEED TRANS by kgabehurt

Feb 02, 2008 (9:49 am)

WHEN is this going to be offered on the Avalanche? What year? WHAT are they waiting for? The new Tundra and 09' F-150 (due out early fall) have these.

#18 of 159 My 2007 Chevy AVALANCHE by brendanfay2001

Feb 13, 2008 (9:25 pm)

I have had problems since I bought my AV. Blown transmission at 15,000 miles. Trips to the dealer several times before w/ complaints of slipping transmission and banging into gear. Many other problems as well. Starter doesn't disengage after ignition. Dealer says GM says I have to live with it. Dealing with Chevy to get a new truck. I have lost 14 days with my truck. Dealer very arrogant. Where is the service? brendanfay2001

Messages Page 2 of 16

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