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Chevy Silverado and GMC Sierra 4x4 Questions

104 messages,  Last post on Aug 08, 2008 at 2:09 PM

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

#55 of 104 Re: 2004 GMC Sierra 2500 4x4 [conclutcha] by bruce48532 Dec 28, 2007 (8:00 am)
Replying to: conclutcha (Dec 27, 2007 6:29 pm) One is located on the front differental housing, this is the easy one to replace. The second one is located the transfer case, (Transfer Case Encoder Motor) this one you must drop the front drive shaft to replace.   http://stores.channeladvisor.com/Auto-Parts-Direct-To-You/GMC/Sierra%201500%2c25- 00%2c3500/
#56 of 104 Re: 2005 Silverado 1500 [vinceblas] by bruce48532 Dec 28, 2007 (8:01 am)
Replying to: vinceblas (Dec 27, 2007 8:08 pm) One is located on the front differental housing, this is the easy one to replace. The second one is located the transfer case, (Transfer Case Encoder Motor) this one you must drop the front drive shaft to replace.    http://stores.channeladvisor.com/Auto-Parts-Direct-To-You/GMC/Sierra%201500%2c25- - 00%2c3500/ Replies to this message: conclutcha (Jan 04, 2008 4:32 am)
#57 of 104 2001 chevy 4x4 trouble by 84rangerbfg Dec 28, 2007 (12:27 pm)
i have a 2001 1500hd and my 4x4 doesn't work i checked my hub actuator and it works (also bought a new one) and when i put it in 4x4 low the transfer case works and puts it into 2 low but the front wheels aren't grabbing. any ideas? thanks
#58 of 104 Re: 2005 Silverado 1500 [bruce48532] by conclutcha Jan 04, 2008 (4:32 am)
Replying to: bruce48532 (Dec 28, 2007 8:01 am) Thank You That Relly Helps So I Won't Spend So Much Mony Looking For Bad Parts
#59 of 104 4x4 Issues on 2005 Silverado 1500 FIXED!!! by vinceblas Jan 04, 2008 (10:02 am)
I just got my truck out of the shop at Chevy and after 2 days of looking at it including the switch and transfer case motor, they found that the main ground for my truck had a bad connection and was loose. They cleaned the corrosion around the ground and tightened it and all my problems were solved. I was almost to the point of getting a new transfer case motor and switch after the recommendation from Chevy, but since I had other intermittent phantom lights also going off, they called in the electrical technician to take a look. They found 44 DTC's that stated "unable to contact..." and that's how they traced the ground. Once they fixed the ground issues, my 4wheel drive and auto trac engage within 2 seconds and doesn't switch from 2wd to 4wd and vise versa.   I was also over my miles and now out of warranty by 1200 miles (37,200) and was expecting to pay the 97.00/hr rate, but my service advisor talked to his manager and they covered it under warranty to troubleshoot and fix the root cause. GO LEE JOHNSON CHEVROLET, KIRKLAND WASHINGTON!!
#60 of 104 Re: 2005 Silverado 1500 [vinceblas] by bruce48532 Jan 04, 2008 (10:03 am)
Replying to: vinceblas (Dec 27, 2007 8:08 pm) I also have the problem of my dash warning lights going on randomly, not sure what the reason. The dealer told me it was most likely a bad connector in the instrument panel cluster or bad cluster its self. Not much help, sorry!   Note - the last part I had replaced the (encoder motor) on the transfer case. I was told the transfer case was cracked near the selector shaft bearing. The bearing corroded causing the encoder motor to burn up. Replies to this message: vinceblas (Jan 04, 2008 10:11 am) kcram (Jan 04, 2008 7:40 pm) vinceblas (Jan 06, 2008 4:58 pm) bruce48532 (Jan 25, 2008 9:05 am)
#61 of 104 Re: 2005 Silverado 1500 [bruce48532] by vinceblas Jan 04, 2008 (10:11 am)
Replying to: bruce48532 (Jan 04, 2008 10:03 am) I would check the main ground to see if has any corrosion or is loose. I had 44 DTC's that showed which is nearly all my modules showing bad, but they were all phantom, including the service 4wd and service brakes, etc. The ground wire was cleaned of the corrosion and tightened. I don't know how it got loose, I suspect that it was due to the lift kit and then additional body lift, but unsure since they didn't touch that at all.   Here's my recent post on my fix: I just got my truck out of the shop at Chevy and after 2 days of looking at it including the switch and transfer case motor, they found that the main ground for my truck had a bad connection and was loose. They cleaned the corrosion around the ground and tightened it and all my problems were solved. I was almost to the point of getting a new transfer case motor and switch after the recommendation from Chevy, but since I had other intermittent phantom lights also going off, they called in the electrical technician to take a look. They found 44 DTC's that stated "unable to contact..." and that's how they traced the ground. Once they fixed the ground issues, my 4wheel drive and auto trac engage within 2 seconds and doesn't switch from 2wd to 4wd and vise versa.    I was also over my miles and now out of warranty by 1200 miles (37,200) and was expecting to pay the 97.00/hr rate, but my service advisor talked to his manager and they covered it under warranty to troubleshoot and fix the root cause. GO LEE JOHNSON CHEVROLET, KIRKLAND WASHINGTON!! Replies to this message: kcram (Jan 04, 2008 7:40 pm) vinceblas (Jan 06, 2008 4:58 pm) bruce48532 (Jan 25, 2008 9:05 am)
#62 of 104 Re: 2005 Silverado 1500 [vinceblas] by kcram HOST Jan 04, 2008 (7:40 pm)
Replying to: vinceblas (Jan 04, 2008 10:11 am) Vince, be sure to give them props in the Dealer Ratings and Reviews section here at Edmunds!   kcram - Pickups Host Replies to this message: vinceblas (Jan 06, 2008 4:58 pm)
#63 of 104 2000 Chevy 2500 4x4: Problem shifting out of 4x4 by strodsfam Jan 05, 2008 (3:10 pm)
I have a Chevy 2500 4x4 with push button 4x4 and Auto 4x4. The Truck shifts into 4x4 HI, Lo and Auto 4x4 fine. However 5-10 seconds later the 4x4 service light comes on. Also I cannot shift it out of 4x4 mode - pressing the 2w button has no effect regardless of if I am in Drive, Park or Neutral. However, If I turn off the truck and then turn it back on I can press the 2w button and it will go back into 2w mode just fine. This problem happens every time I try to go into any of the three 4w modes. The repeatability of it sounds like I'm doing something wrong. I should add that the truck has a 6" lift kit and 365/65R16 tires. It also has 74K miles.   I also have another problem with hard "clunk" shifting when the transmission is upshifting. It downshifts smooth. This only happens after the truck has run for 15 - 20 minutes. After turning off the truck for 10 minutes or so, like when getting gas, it will shift smooth as silk. Any ideas. Thanks for any help. Replies to this message: bruce48532 (Jan 07, 2008 7:12 am) strodsfam (Jan 07, 2008 2:45 pm) strodsfam (Jan 08, 2008 5:07 pm) bruce48532 (Jan 10, 2008 5:31 am)
#64 of 104 Re: 2005 Silverado 1500 [kcram] by vinceblas Jan 06, 2008 (4:58 pm)
Replying to: kcram (Jan 04, 2008 7:40 pm) Thanks kcram! I just submitted my review.

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