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Chevy Silverado and GMC Sierra 4x4 Questions

236 messages,  Last post on Nov 17, 2009 at 5:35 AM

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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


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#161 of 236
Not sure by highsierra
Jan 16, 2009 (9:09 am)
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an update i took the truck back to the dealer, and was told that the noise im feeling and hearing is coming from the reear axle, they told me it was axle play and nothing i should concern myself with...., guess im feeling it being transfered through out the truck........ im not sure if i should belive them because i had an 03 s-10 comp edition, and that truck never made this noise, and come to think of it i dont think ive ever hear that noise or felt it in any of the other truck i have ever ridden in......... on a side note i found my old truck at a dealer and when i started to ask questions about it the guy told me it had 116000 km on it,, and when i told him i was the original owner of the truck he walked away from me...... now i sold that truck 3 years ago to the dealer with over 100000 on it, sounds like to me that someone had turned the odemiter back!... and it was most likley the dealer considering he walked away from me when he found out it was mine.......... hum..........
#162 of 236
Re: Growling noise when turning in 4WD [jackoue] by bstevens20
Jan 27, 2009 (8:09 am)
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Replying to: jackoue (Jan 22, 2008 7:02 pm)

having this same growling on my '06 sierra, are u referring to the shaft from xfer case or one of the halfshafts?? Never take mine off road, only 39K miles, only used the 4x4 a few times on ice, only does this in 4x4 when turning, sounds like the differential or something revving up, quiet after the wheels are straight, shift back to 2h NO noise at all. any help is appreciated
#163 of 236
Re: 04 Sierra 2500HD, Front End Growl/Grind in 4Hi/Lo [bthornhill] by dans04z71
Jan 27, 2009 (3:56 pm)
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Replying to: bthornhill (Jan 16, 2009 8:29 am)

No that was not the problem. I'm still told by my machanic that its the clutches in the transfer case. Had the whole front end redone so i know for a fact that its not the front diff. I asked my uncle with the same model year as yours and he's got the same problem.
#164 of 236
FWD won't shift by SCAFDretired
Jan 28, 2009 (8:27 am)
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Hi I have a '99 sierra 1500 that first would stick in 4 hi. Dash push button shift lites would work intermetily. Changed the fornt axle accutator and she worked up and down our drive, test drive, for 4 trips then the next morning I started it and no lites and stuck in 4 hi again. The indicator buttons would lite when I turned the ingintation on. Took to a friend and he got a code co 327 but it would not give him what was bad. He used his DT'er to tri it into 2 wh. The lites went back off and he could not over ride that module up under dash. He believes that is bad, But like me not certain. Any idea's? Thanks
#165 of 236
Re: 2000 silverado front drive shaft concerns [gwhitney] by cpittman
Feb 03, 2009 (4:07 pm)
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Replying to: gwhitney (Oct 14, 2008 4:00 pm)

The rear shaft is live all the time on these vehicles. All of the gears in the xfer case are live alo. The power is transfered to the front wheels when the actuator is engaged. However, the shaft and case are turning live at all times the vehicle is moving.
#166 of 236
Transfer case by joseywells
Feb 04, 2009 (8:01 am)
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Shift motor won't shift from hi to lo or back/ neutral to either,also blows fuse,but I can put a jumper in the fuse slot and it works.any thoughts?
Can there be a short somewhere?
#167 of 236
Re: front tires, no spin [cooperbiker] by jknowles
Mar 04, 2009 (6:13 pm)
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Replying to: cooperbiker (Feb 18, 2007 7:14 am)

i am having the same issues. I have totally torn my system apart on my 02 silveraado. I changed my t case encoder moter assembly and totally tore the front end down. nothing works under load but works when operating by hand. I put a bolt (dont laugh) into the end of my front diff actuator and now it works but not enough to spin the tires. I'm stumped too. any other ideas would be nice.
#168 of 236
Re: front tires, no spin [jknowles] by bruce48532
Mar 05, 2009 (6:29 am)
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Replying to: jknowles (Mar 04, 2009 6:13 pm)

transfer case clutch plates shot? how many miles on the truck?
#169 of 236
Re: front tires, no spin [bruce48532] by jknowles
Mar 05, 2009 (11:06 am)
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Replying to: bruce48532 (Mar 05, 2009 6:29 am)

only 130,000 kms and was working fine i think it all has to do with my front diff actuator
#170 of 236
'96 Sierra 1500 Won't engage front wheels by alan1818
Mar 15, 2009 (1:13 pm)
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Hi, newbie here, and I've just spent a while looking over old posts; there's a lot of great info in this forum!
 
My situation: a '96 Sierra 5.7l automatic with push button shift, 106k miles, well cared for, but I've only owned this for 14k miles, so am not very familiar with it. Just recently noticed when I shift to 4H or 4L, the light just blinks, and doesn't engage the front wheels. Shifting to 4L does transfer to low range, however. From previous posts, this points to a switch, fuse, connectors or an actuator problem. Because the switch works to 2H (solid light) and to the low range (4L), and the wiring appears ok, I'm thinking front differential actuator or fuse. Can someone tell me where that fuse is, and/or if I should go directly to a new actuator?
 
I followed the link from Bruce48532 to the parts supply, but the replacement actuator listed doesn't show it's for a 1996. Will the one listed still work? I presume the existing is an older thermal unit, and is the listed one a direct replacement?
 
Thanks a lot for any replies,
Alan

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