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Discussion Starter · #1 · (Edited)
Hope this helps get some of the specific drivetrain questions out of the more generic sub-forums.

Axel, CV's, Gearing, Brakes, Driveline... all go in here now.
 

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I have a 2 piece driveshaft on my ccsb, i see other trucks like mine with 1 piece driveshafts, is this a year specific thing or was there an option?
Also does anybody know of a reputable transmission and driveline guy in Las Vegas who specializes in our trucks? Thanks in advance.
 

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saw what you did there
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Discussion Starter · #3 ·
I have a 2 piece driveshaft on my ccsb, i see other trucks like mine with 1 piece driveshafts, is this a year specific thing or was there an option?
Also does anybody know of a reputable transmission and driveline guy in Las Vegas who specializes in our trucks? Thanks in advance.
8' boxes have two piece.
 

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Did something nice for my truck, replaced the badly worn out rear brake pads, sdjusted the parking brake pads, and changed my transfer case fuild.

Now my question, my parking brake pedel still goes to the floor is there something else i need to adjust. I adjusted teh screw for the parking brake pads til the rear disk drum kind of slid on them. but still the same pedle feel.
 

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I don't remember what I did but I had the same problem with my parking brakes. There is an automatic adjusting mechanism in the parking foot pedal that takes up the slack in the cable as the brake pads wear. You have to reset that when you do the park brakes.

Someone else on here should know the particulars. I kept looking at it and finally figured it out on mine. Thats been 2 years ago.
 

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old thread iz old
 

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Transfer Case questions

My truck is a Silverado 2003 2500 HD. Hope someone can help with a couple questions for this first time 4WD owner.

What happens if the viscous coupling fails? Would I be able to drive the vehicle at all? Would the speed sensors signal the transmission to down shift or go into limp mode? And what might cause a coupling to go bad?

And on a different, but perhaps relevent topic: I believe the transfer case is vented to the atmosphere. Does that make it suseptible to water contamination? If I put the truck in water up to the floorboard when launching a boat, would that cause water to be introduced into the transfer case? If so, is there a cure . . . other than staying out of the water?
 

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You need to start a new thread. Go to the top of the page. Click on Drivetrain and repost your question. It will show up as a new thread and attract more attention!
 

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I have a 2 piece driveshaft on my ccsb, i see other trucks like mine with 1 piece driveshafts, is this a year specific thing or was there an option?
Also does anybody know of a reputable transmission and driveline guy in Las Vegas who specializes in our trucks? Thanks in advance.
As a 2 wheel drive CCSB i don't think there is hope. There is a one piece available for the CCSB 4x4, I will be posting my swap on it early this coming week. GM does have an 80 inch aluminum one piece for the eclb trucks but I believe yours will be longer than that. Wouldn't hurt to measure center of U-joint on each end but I'm not sure anyone can balance them beyond them beyond 80 inches.
 

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What are the codes involved.There is a TSB that sound like it might apply PIT5569a. I have a similar issue but with no comm. loss that is at the chevy dealer who has been unable to repair for over two months. I do not believe they are trying very hard. I have a 2016 3500 4wd dually that sets rear wheel speed sensor codes every time i tow my travel trailer more then 100 miles. At first it was just the right sensor. But now it is both. The right senor was replaced under warranty but did not fix anything. If it is the updated AAM 11.5 rear end the sensors are not at the wheel ends as is normal but at the side of the diff. housing.
 

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So as of the last 2 weeks I’ve had a a very agressive nasty squeak and or squeal from the center or rear of my truck. After jacking it up there is no play in the wheel bearing nor is there play in the driveshaft. The sound appears when in drive under 30 mph when i drop it from drive to neutral while moving the sound suddenly disappears which leads me to believe it is a transfer case or trans problem does anyone have any idea what this could be?


Update pulled the plug on the transfer case there was about a cup or so of fluid so I refilled it with 2 quarts of atf as recommended. The sound has no gone away my ideas consist of a seized set of parking break shoes, and or the seals on the transfer case or pinion connection seal. As of the last 4 months my drivers side rear axel has been throwing fluid threw the caliper haven’t had any issues but wondering if this could maybe have something to do with it let me know if you have any ideas!


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2017 GMC Denali 2500HD, 3.5" Rough Country Lift, 305/55R20 Yokohama Geolandar A/T
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So as of the last 2 weeks I’ve had a a very agressive nasty squeak and or squeal from the center or rear of my truck. After jacking it up there is no play in the wheel bearing nor is there play in the driveshaft. The sound appears when in drive under 30 mph when i drop it from drive to neutral while moving the sound suddenly disappears which leads me to believe it is a transfer case or trans problem does anyone have any idea what this could be?


Update pulled the plug on the transfer case there was about a cup or so of fluid so I refilled it with 2 quarts of atf as recommended. The sound has no gone away my ideas consist of a seized set of parking break shoes, and or the seals on the transfer case or pinion connection seal. As of the last 4 months my drivers side rear axel has been throwing fluid threw the caliper haven’t had any issues but wondering if this could maybe have something to do with it let me know if you have any ideas!


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What year truck? You might have better luck with replies if you post a new thread in the appropriate forum. I can move a thread to the right spot for you, but I can't make your post a new thread.
 
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