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Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500
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#1885 of 2238 4WD Transmission Problems
Jan 21, 2002 (7:06 pm)
Sorry if this has been discussed before in this forum, but have not had time yet to read all of the posted messages.
We own a 2000 Chevy Silverado 1500 with Z71 package. Today the check 4wd indicator light came on (20,000 miles on the truck). We have yet to engage the 4WD and thought it must be a sensor light, but we then tried to engage it and there is definitely something wrong. We have it at a dealer now -- they are backed up on transmission repairs (not a good sign, I guess) and expect it to take at least a week to even get to in order to repair. Gave us a free rental - so far being treated good. Just wondering if others have experienced this problem.
Jan 21, 2002 (7:21 pm)
"We have yet to engage the 4WD "
When you get it back after they fix it you may want to engage it every once in awhile (once a month?) just to keep it fresh and make sure its in working order
#1887 of 2238 On my '96 w/V6 I couldn't
Jan 22, 2002 (5:03 am)
actually feel any vibration but in the 2 yrs. I had it I had three exhaust systems on it. The vibration shook the insides of the muffler loose. The Service Mgr. told me an after market would cure it. That's the only truck I've owned that I never put a Flowmaster on. I was being stubborn! I saw it after I traded it in and the new owner also had a new exhaust system.
#1888 of 2238 Drive train slippage and chirps
Jan 23, 2002 (10:25 am)
I own a new (10K) 2001 1500 LT, auto Silverado. I've noticed a chirp coming from the rear drive train during take-off from dead stop. On a couple of occasions when it was relatively new the engine would start to rev, seconds later the back wheels would catch, causing with a large bang. It felt like the trans was slipping or late to engage. Dealer could not find anything wrong. Maybe unrelated is the noticeable clunk when shifting from Drive to Reverse. Dealer said, that is normal and has to do with total stacked tolerance. Can anyone help identify problem?
#1889 of 2238 Low speed V-6 --
Jan 23, 2002 (9:27 pm)
vibration -- 90 degree V-6; of course it's going to vibrate off idle. Been doing it since long before GM hacked those two cylinders off the 350 and invented the 4.3.
#1890 of 2238 Aquizzetti
Jan 24, 2002 (9:16 am)
Go back thru the posts there is a TSB for both those problems that's been posted before on this board by Obyone and others. I had the delayed trans engagement problem which they took care of with the TSB. I don't have it handy so can't give you info.
#1891 of 2238 Low speed V-6
Jan 24, 2002 (9:59 am)
Do you own one? I have two of these V-6s and think they are one of the most vibration free engines I have ever owned. The most vibration free was my Toyota Supra DOHC I-6. GM has had two versions of these engines, using balancing shafts in the later ones. I don't understand why mine runs perfectly smooth. One thing I have been finding is that all the V-6s that vibrate are in 2wd Silverados. I have a vibration free V-6 4wd Silverado. I don't buy that it is the engine. That engine has been installed in millions of SUVs and vans with no problems!
#1892 of 2238 Do you own one? --
Jan 24, 2002 (7:40 pm)
Not any more, but I put 130,000 miles on my old S-10 Blazer and have had occasion to drive the late model version as rentals frequently. Always notice the low speed vib from those things immediately; compared to 60 degree v-6's and 90 degree v-8s.
Jan 25, 2002 (8:20 am)
How long does the "Service 4WD" light stay on? If it's just a second or two right after the red battery light goes out after engine startup, then it's just a little glitch that I wouldn't worry about. Quite a few people, myself included, have had the same thing happen every so often. If it stays on, then I would have the vehicle serviced. Just out of curiosity, why have 4WD if you never use it? I have 10.5k miles and I've used mine for most of the last two winters.
#1894 of 2238 Transmission
Jan 25, 2002 (4:34 pm)
The truck is my husband's so I haven't experienced the problem myself. He thought it was just a problem with the light, but when he called the dealer about it, they said to put it in 4WD and check it out. His words were that it did not sound right at all when he did that. We have a message on the answering machine this evening that they were able to fix whatever it was (still under warranty) so hopefully we will be able to find out tomorrow what the problem was. They were able to fix it quicker than estimated so I am guessing that it wasn't anything too serious (we weren't expecting it back until Monday because they said their transmission people were backed up). Thanks for the help.