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What is this discussion about? GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck

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#949 of 1492 Button that allows outside air in the cab by repairman9 Feb 16, 2005 (11:12 am)
I recently traded in my 01' GMC Sierra 1500 extended cab for a 05' GMC Sierra 2500HD crew cab with the 8.1 liter gas engine.   Something I am finding annoying is the dash button that controls whether outside air is circulated in the cab or not does NOT remember it's setting from one start to another LIKE IT DID in my 01' Sierra. It always defaults to letting outside air in. This wouldn't normally be a problem unless you're behind a diesel cement truck or near a dead skunk first thing in the morning on the way to work which occurs on a daily basis. It's not until you realize this and the cab is full of diesel exhaust and you push the button to lock all that lovely exhaust in the cab.   But seriously, this is really annoying. Why did they change this behavior? More importantly, how do I fix it so it remembers between starts OR how can I get it to default to closed (no outside air circulation).   Thanks for any help, -Mark Replies to this message: repairman9 (Feb 17, 2005 11:47 am)
#950 of 1492 Re: 2004 GMC Sierra 4WD Z71 drive train 14K miles [bed] by surrfurtom Feb 16, 2005 (11:48 am)
Replying to: bed (Feb 15, 2005 6:17 am) I had a similar thing happen (service AWD) on my 00 shortly after buying it new. It turned out to be a defective electrical connector at the transmission or transfer case. At that time the dealer said it was a common problem. BTW I still have the clunking drive train too.   The one thing that the Japanese do that Detroit doesn't is correct the root cause of the problem, as in the manufacturing process, etc. With Detroit they only fix the problems as they break but never figure why. That's the reason you may still have the same problem on an 04. With GM there must be no communications between dealer service and factory design people.   When Toyota gets to 70% market share maybe they'll figure it out. There is no reason why GM and others can't do it better in the USA. Replies to this message: bed (Feb 18, 2005 3:50 pm) cw4915 (Feb 22, 2005 7:39 pm) surrfurtom (Feb 24, 2005 7:49 pm)
#951 of 1492 Re: Steering Shafts [bonrea] by denn Feb 16, 2005 (3:54 pm)
Replying to: bonrea (Feb 04, 2005 4:52 am) My 2002 GMC had similar problem. There is a TSR out calling for removal, special lubrication on steering shaft, and reinstall. Dealer was aware of issue and fixed it promptly (after I brought copy of TSR to them). Look up "Steering Noises". Replies to this message: rangerswank (Apr 09, 2005 7:22 pm)
#952 of 1492 Re: 2004 Sierra Z71 clunking noise from rear [gmcbob] by down2earth Feb 16, 2005 (8:06 pm)
Replying to: gmcbob (Jun 20, 2004 10:26 pm) I'm having the same trouble with 3800 miles. The service manager told me that he knew what it was, but no fix in place yet. I was in a hurry and didn't press for more info but will check back if I can remember to call tomorrow. The clunking isn't bad, yet, but it is annoying considering it is a new truck. Otherwise, I love the truck. Just switched from owning a Ford. Replies to this message: msw8754 (May 31, 2005 5:38 pm)
#953 of 1492 Re: Button that allows outside air in the cab [repairman9] by repairman9 Feb 17, 2005 (11:47 am)
Replying to: repairman9 (Feb 16, 2005 11:12 am) Well, I just got off the phone with GM Customer Service and they told me that it took a design team to change the behavior of the recirculation switch to forget it's previous setting.   They pretty much told me to pound sand and if I even thought of changing it's behavior, they'd void my warranty.   Boy, they really told me.
#954 of 1492 Re: 2004 GMC Sierra 4WD Z71 drive train 14K miles [surrfurtom] by bed Feb 18, 2005 (3:50 pm)
Replying to: surrfurtom (Feb 16, 2005 11:48 am) Thanks, I will suggest that to the dealer when I bring it in. Overall I have been happy with it. I looked at the Toyotas but felt I got much more truck for less money. And there was no comparison for space in the back of the cab between the two. My son in college has room to be comfortable back there. Good luck with your truck.
#955 of 1492 Heater core problem??? by vegasammo Feb 21, 2005 (11:09 am)
I have a 99' Sierra with 90K miles. The problem is after the engine warms up to an acceptable operating temperature, underneath the dash/glove box on the passenger side it sounds like boiling water when I accelerate?     It only does it when I accelerate from a slow rate of speed or from a dead stop? Has anyone ever heard of this type of problem? The temperature guage is reading normal? Could this be a heater core problem? Any help would be greatly appreciated, thanks!
#956 of 1492 Re: 2004 GMC Sierra 4WD Z71 drive train 14K miles [surrfurtom] by cw4915 Feb 22, 2005 (7:39 pm)
Replying to: surrfurtom (Feb 16, 2005 11:48 am) my service 4WD light comes on intermittently. My truck is a 99, problem seems to be the selector switch on dash. each position has a resistor that allows different voltage signal to transfer case module. Bad info from a chilton manual told me to change the front diff actuator. we'll see if they reply to my letter because I cant return a electrical item to the dealer so I installed it anyway. I agree, GM needs to fix the theory behind the application instead of each occurence. Replies to this message: surrfurtom (Feb 24, 2005 7:49 pm)
#957 of 1492 Re: 2004 GMC Sierra 4WD Z71 drive train 14K miles [cw4915] by surrfurtom Feb 24, 2005 (7:49 pm)
Replying to: cw4915 (Feb 22, 2005 7:39 pm) I'll have to look at my old records as that may have been the same fix as mine.   Common sense would say that GM, as the largest auto mfr in the world, would have a 1st rate quality control organization that would examine the root cause of failures and fix them.   Yet if you look at the poor reliability of many of their products in Consumer Reports, you can only shake your head in bewilderment. And its the same problems year after year.   There is only one reason that GM does not have the most reliable and highest quality car or truck in the world, and that is poor management.
#958 of 1492 Re: 2500 HD 4x4 Transfer case problem [rcuevas] by rawemm Feb 25, 2005 (11:45 am)
Replying to: rcuevas (Dec 20, 2004 6:09 pm) We have a 2002 Chevrolet Silverado 2500HD Duramax Diesel and just got it back from the dealer for the same problem. It has 90,000 miles and we noticed a leak that we thought was coming from the rear diff. After inspection at the dealer they said that a pump in the transfer case had failed and wore a small hole in the transfer case housing. There is a small spring on one ear of the pump that broke and allowed the pump to wear a hole in the housing. Sounds like a bad design to me. The dealer said that it had probably lost all the fluid within the first 5 miles that we drove it and caused all the bearings to freeze up on the shafts and had to replace the entire transfer case. To make matters worse, we had to wait 4 weeks for the transfer case because they are on national backorder and the manufacturer is having to find cores and rebuild them. We think that there is a huge problem with these transfer cases and GM is not letting anyone know. We would like to hear from anyone who has had this same problem. If we can get enough proof maybe some of us can get some reimbursement. Replies to this message: intlgrind (Apr 09, 2005 5:54 pm) 2000z71blk (Apr 18, 2006 12:04 pm) geo9 (Apr 18, 2006 7:45 pm) and 1 more... mike157 (Jul 13, 2005 3:45 pm)

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