What did you do to your Sierra/Silvy today? - Page 4352 - Chevy and GMC Duramax Diesel Forum
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post #43511 of 43795 (permalink) Old 09-18-2019, 09:43 PM
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Pulled out the motorized toneau cover and trashed it. it was 14 or so years old as it was on the previous owner's previous truck before he moved it to the 08 Silverado. It was binding up and grinding something awful. That's ok.

2008 Silverado 2500 Crew Cab Z71
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post #43512 of 43795 (permalink) Old 09-19-2019, 11:37 AM
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Been up on the hill working on the 01, just as I suspected the big round end of the steering sector has a crack in it must of been some kind of pressure surge when I hit that stump with the front tire. I would of thought these things would of had some sort of pressure relief valve in the system or it would of blew a hose or some thing rather than crack the sector guess those new gates hoses are stout that I installed. I couldn't see any other thing wrong with the sector as you can still turn the steering wheel with it jacked up and everything seems to work properly, guess I'll be able to inspect it closer when I get it off had to come down and get some bigger wrenches as I didn't take them with me and also had to get some more blocks so I can move the ones I had as they are in the way.

2001 2500HD 4WD EXTENDED CAB LS,
S&B CAI, 4" STAINLESS STEEL EXHAUST, EFI LIVE FROM ATP TRUCKS, EDGE CTS, PPE BOOST VALVE, BANKS INTERCOOLER PIPE, AIR DOG II 165, REBUILT TRANNY WITH SUNCOAST KIT, TRANSGO SHIFTKIT AND BILLIT TORQUE CONVERTER, NEW UPGRADED TAILSHAFT, PUMP RUB FIX ON TRANSFER WITH NEW ALUMINUM TAIL SHAFT, NEW TOW MIRRORS, NEW GAGE HEAVY DUTY FRONT AND REAR BUMPERS, BEANS SUMP, FUMOTO VALVE, RARE PARTS TIE RODS WITH COGNITO PISK, MAD JACK FUEL FILTER ACCESS DOOR, STAINLESS STEEL SPEED BLEEDERS.
2011 GMC 3500HD DUALLY Welding Bed, 4WD CREW CAB, 4" downpipe back exhaust, def delete, egr delete, with new LB7 up pipe, pcv reroute, Fass 150, EFI live with DSP 5, HSP CAI. Air Lift Air bags. PPEI transmission tune.
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post #43513 of 43795 (permalink) Old 09-19-2019, 06:58 PM
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2008 Silverado Gasser:
New wheel speed sensors up front


*in a disc/drum application is the speedometer reading speed off the front wheel speed sensors or from the speed sensor on the transmission?

1995 K1500 Silverado:
Pretty much have it sold for what I bought it for

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Last edited by jwcgmc1985; 09-20-2019 at 06:06 AM.
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post #43514 of 43795 (permalink) Old 09-20-2019, 12:25 AM
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GOOD GRIEF that thing is awesome.
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2008 Silverado 2500 Crew Cab Z71
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post #43515 of 43795 (permalink) Old 09-20-2019, 04:19 AM
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Quote:
Originally Posted by jwcgmc1985 View Post
2008 Silverado Gasser:
New wheel speed sensors up front


*in a disc/drum application is the speedometer reading speed off the front wheel speed sensors or from the speed sensor on the transmission?

1995 K1500 Silverado:
Pretty much have it sold for what I bought it forAttachment 1045183
Speedometer is read from transmission or transfer case.
wheel speed sensors are for the ABS only
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2020 Sierra AT4 3500 Duramax
2018 Denali 2500HD L5P Derringer equipped
2018 Montana 3811MS Legacy 16400#2900pin
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post #43516 of 43795 (permalink) Old 09-20-2019, 05:55 AM
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I was curious,
I re-tuned the truck a few days ago (Bully Dog GT Tuner) and set it up to show 36" tall tires (since i am running 315/40R26 out back) and it was off, so I changed it to 36.5" tall tires, and its about 3mph different. So it got me thinking about the wheel speed sensors up front as well as the speed sensor on the transmission. Thinking about it now since there aren't any electronics on the factory drum brake style diff, maybe I should have set it to the 32" tall tire (295/35R24) that's up front..

the tuner only goes in .25 increments so I'll keep playing with it this weekend to see if I can fine tune it, luckily once the truck is tuned the process of changing tire size is very quick!
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Last edited by jwcgmc1985; 09-20-2019 at 06:06 AM.
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post #43517 of 43795 (permalink) Old 09-20-2019, 09:13 AM
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Got the steering box off the 01 now trying to decide on the red head box or the upgraded PSC box from Xtreme diesel, wanted the blue top but the are out of stock.
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2001 2500HD 4WD EXTENDED CAB LS,
S&B CAI, 4" STAINLESS STEEL EXHAUST, EFI LIVE FROM ATP TRUCKS, EDGE CTS, PPE BOOST VALVE, BANKS INTERCOOLER PIPE, AIR DOG II 165, REBUILT TRANNY WITH SUNCOAST KIT, TRANSGO SHIFTKIT AND BILLIT TORQUE CONVERTER, NEW UPGRADED TAILSHAFT, PUMP RUB FIX ON TRANSFER WITH NEW ALUMINUM TAIL SHAFT, NEW TOW MIRRORS, NEW GAGE HEAVY DUTY FRONT AND REAR BUMPERS, BEANS SUMP, FUMOTO VALVE, RARE PARTS TIE RODS WITH COGNITO PISK, MAD JACK FUEL FILTER ACCESS DOOR, STAINLESS STEEL SPEED BLEEDERS.
2011 GMC 3500HD DUALLY Welding Bed, 4WD CREW CAB, 4" downpipe back exhaust, def delete, egr delete, with new LB7 up pipe, pcv reroute, Fass 150, EFI live with DSP 5, HSP CAI. Air Lift Air bags. PPEI transmission tune.
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post #43518 of 43795 (permalink) Old 09-21-2019, 06:59 AM
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Quote:
Originally Posted by jwcgmc1985 View Post
I was curious,
I re-tuned the truck a few days ago (Bully Dog GT Tuner) and set it up to show 36" tall tires (since i am running 315/40R26 out back) and it was off, so I changed it to 36.5" tall tires, and its about 3mph different. So it got me thinking about the wheel speed sensors up front as well as the speed sensor on the transmission. Thinking about it now since there aren't any electronics on the factory drum brake style diff, maybe I should have set it to the 32" tall tire (295/35R24) that's up front..

the tuner only goes in .25 increments so I'll keep playing with it this weekend to see if I can fine tune it, luckily once the truck is tuned the process of changing tire size is very quick!
If you look around on the rear axle, it either has tone wheels in the hubs, or the center carrier. I know the 04 tone wheel is on the carrier. I think the 17 and 18 are on the hubs. If I get a chance to check today I will post it up.

Speedometer reads off the transmission. Is the ABS light on in the truck? I have heard of people having issues with the ABS after dyne runs where the front tires are not turning and the rears are. This trips an error code.
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2004.5 Silver Birch Metallic GMC K2500HD
18 Denali CCSB 2500 4WD Mineral Metallic with Cocoa/Dark Sand Interior
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post #43519 of 43795 (permalink) Old 09-21-2019, 07:11 AM
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Are you measuring the actual tire or going by the tire manufactures specs.
Manufacture specs are always taller than the actual tire.
Play around a little with the numbers your entering, until you get a closer mph, and measure your tires.
Either using a tape measure or mark the tire rotate it one full turn measure the distance then divide by 3.14 for the height.
My tires spec out at 32.76 speedo is off about 3 mph, when they are actually 32.20 speedo is now accurate.

Dan
2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe
DHD PCV Re-Route
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2007 Yukon Denail "BLACK" 6.2 gasser
DIY stock AirBox Mod, K&N, Airaid intake, EFILive TCM only tuning
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post #43520 of 43795 (permalink) Old 09-21-2019, 10:13 AM
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FYI, pretty much all tire size adjustment devices are in .25 increments, just go to the closest number.
That I’ve had.

Dan
2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe
DHD PCV Re-Route
AirDog 4G100

2007 Yukon Denail "BLACK" 6.2 gasser
DIY stock AirBox Mod, K&N, Airaid intake, EFILive TCM only tuning
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