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11-10-2009, 07:14 AM
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#1 (permalink) |
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Diesel Enthusiast
Join Date: May 2007
Location: Gonzales, LA
Posts: 15
iTrader Score: 0 reviews
Louisiana Diesel Truck Association Member |
Range Shift Inhibitor
Range Shift Inhibitor has been showing up lately. My little line under the gear I'm in, doesn't always show up. And my door locks do not unlock when put in park like they use to. Now my check engine light stays on. Anyone have any clues or comments before I bring it to a mechanic.
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04 GMC 2500HD CC/SB 4X4 Sprayed-In Bedliner BullyDog Programer AFE Cold Air Intake 04 HondaRancher AT 400 Progressive 512 Shocks 27" TSL Vampires Dyno Jet Kit 09 Polaris Ranger XP 27" Mudwiser Tires on Vision Rims Last edited by ReedsMax; 11-10-2009 at 07:14 AM. |
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11-10-2009, 07:43 AM
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#2 (permalink) |
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Diesel Master
Join Date: Feb 2006
Location: Northern,Alabama
Posts: 1,148
iTrader Score: 0 reviews
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NSBU switch----Charlie
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2004 GMC 2500HD, Ext.cab,SB, 6.6 LB7, SLT. Carbon Metallic-mostly stock, new injectors & FPR at 197,000 miles, 2 sets front wheel bearings, 3 sets rear u-joints, pump rub fix at 154,000 miles, front brakes & rotors 154,000 miles,2nd set injectors 284,000, now 317,698 miles and counting. 10949.8 hrs. |
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11-10-2009, 09:23 AM
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#3 (permalink) |
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Supporting Vendor
 
Join Date: Sep 2009
Location: West Central Iowa
Posts: 1,581
iTrader Score: 0 reviews
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^^^^^ yep- sounds like 99% of them. I would start there, you can do it yourself (just make sure you adjust it right) and save a ton of money. Do some shopping for them, they are pretty spendy at the d-ship....
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'05 CC/SB, AMSOIL 15w-40,CAI with Amsoil Dry Air filter, PPE 1, EGR blocked, LBZ MP, lost KITTY, finished off the rest with 4" SS Magnaflow, 265 Grabbers, 5K HIDS lows/fogs, AD 165 Scott Girard T-1 Cert. Ind. AMSOIL (ZO# 1747262)/ AIRDOG lift pump dealer PM ME/EMAIL ME FOR AIRDOG PRICING!!! |
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11-10-2009, 06:47 PM
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#4 (permalink) |
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Diesel Enthusiast
Join Date: May 2007
Location: Gonzales, LA
Posts: 15
iTrader Score: 0 reviews
Louisiana Diesel Truck Association Member |
You'll will have to be more specific. What is the NSBU Switch, were is it located, and how do you adjust it just right. Can you get one at Auto parts store or would it be cheaper to order online.
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04 GMC 2500HD CC/SB 4X4 Sprayed-In Bedliner BullyDog Programer AFE Cold Air Intake 04 HondaRancher AT 400 Progressive 512 Shocks 27" TSL Vampires Dyno Jet Kit 09 Polaris Ranger XP 27" Mudwiser Tires on Vision Rims |
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11-11-2009, 12:21 AM
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#5 (permalink) |
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Diesel Specialist
Join Date: Jan 2006
Location: Calgary, Alberta
Posts: 729
iTrader Score: 0 reviews
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See my post in the "Allison OEM" section - NSBU Instructions and FAQ - which I posted on this past weekend when I changed my NSBU switch. I've included pics as well.
Should answer your questions. Maybe mod's will make it a sticky as the NSBU comes up on a regular basis. Cheers,
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2003 2500HD SLT Crew Cab Long Box BD "Intimidator" programmer, AIRAID intake with prefilter, 4" Flo Pro exhaust, Autometer Sport Comp IIs - EGT and Boost with mod'd LED lighting, Raider Nomad II canopy matched to factory colors, spray in boxliner, stainless nerfs, cold idle switch, Fumoto valve, Husky liner mats front and rear, Bilsteins, all 4 headlights on mod, EZ down tailgate strut, Tekonsha Prodigy brake controller, interior car warmer for the winter, Airhawk stainless steel summer and winter fronts, Merchant t-case fix, Mag Hytec rear cover, Allison OEM deep pan with SC filter lock, synthetic fluids everywhere. Official member of the "pump rub" club Feb 2009.  1989 CRX Si 1985 BMW 528e 1985 Honda Interceptor 500 "Save a sheep, ride a cowgirl" 
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11-13-2009, 12:39 AM
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#6 (permalink) |
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Diesel Enthusiast
Join Date: Dec 2006
Location: littleton,co
Posts: 19
iTrader Score: 0 reviews
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wow.cool. 2 pages in and i have found the exact topic i was looking for! Anyway, i too am experienceing the same symptoms except for one thing. when i shift into or out of p,r,n or any forward gears there is a distinct un setteling clunking noise that iminates from the tranny. would this mean something more? or does this sound like a result of the switch being bad?
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2004.0 stock dmax |
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11-13-2009, 07:42 AM
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#7 (permalink) |
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Administrator
The tow man
 
Join Date: Jul 2006
Location: Fort Wayne, IN
Posts: 7,191
iTrader Score: 1 reviews
INDP Member Armed Forces Club Member DieselPlace.com Lifetime Premium Member |
Moved to Allison OEM.
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01 2500HD EC/LB D/A 4WD. Danville Performance (Stage 1 IHI upgrade, LBZ CP3), Maximum Overdrive Stage II trans, AirDog 150, Kennedy 40% injectors, AFE Intake, IISPRO Gauges, EFI Live V2 w/tuning by Mark Broviak of Danville Performance. 2002 Chevrolet Suburban LT 5.3l V-8 2WD. 05 International 4300LP, DT466e, Alli 2200 auto. Vulcan 21ft Steel, all air, Alcoa Aluminum rims, three toolboxes with no space to spare. The one man/truck recovery team. "Back up" is another term for my gopher. US Army 1/1997 - 3/2003 19k20 NRA # 193537331
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11-13-2009, 09:55 AM
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#8 (permalink) |
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Diesel Master
Join Date: Feb 2006
Location: Northern,Alabama
Posts: 1,148
iTrader Score: 0 reviews
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it's possible but they all have a slight clunking noise , if it is very profound , I would check the u-joints first. charlie
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2004 GMC 2500HD, Ext.cab,SB, 6.6 LB7, SLT. Carbon Metallic-mostly stock, new injectors & FPR at 197,000 miles, 2 sets front wheel bearings, 3 sets rear u-joints, pump rub fix at 154,000 miles, front brakes & rotors 154,000 miles,2nd set injectors 284,000, now 317,698 miles and counting. 10949.8 hrs. |
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11-13-2009, 12:27 PM
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#9 (permalink) |
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Diesel Enthusiast
Join Date: Dec 2006
Location: littleton,co
Posts: 19
iTrader Score: 0 reviews
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there is no play in the in the drive shaft if i try rotating it back and forth. the u joints appear to be just fine. plus it really sounds like its comong from inside the tranny. thank you
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2004.0 stock dmax |
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11-13-2009, 12:49 PM
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#10 (permalink) |
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Diesel Master
Join Date: Dec 2004
Location: Indianapolis
Posts: 1,571
iTrader Score: 0 reviews
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Change the NSBU switch and clear any codes. You will likely solve your problems. Be sure to order the correct part number switch for your '04 (One of the stickies had the numbers swapped at the beginning of the post.) Not sure if it was ever corrected.
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