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| 04.5-05 LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect |
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03-22-2009, 08:32 PM
| eBay Motors #1 (permalink) |
| Duramax Forum Supporter   Join Date: Mar 2009 Location: Denver, CO
Posts: 123
 | SOLVED :Tranny wont shift out of 1st gear! OK, so I pick up a well used Dmax only 72K on the odometer but it will not shift out of first gear. The gear indicator light does not work along with the tach and speedo. The truck makes an alarming slaming noise when shifting into drive or reverse. The torque converter is locking up and it will drive the tires into smoke however it will not shift. I just purchased this truck from a tweaker in AZ and got a great deal however he had stripped a bunch of parts from it to sell. Any ideas on what to do or how I can check this? The fluid level is full, red and does not smell burnt?
__________________ Track Truck - 2004.5 2wd, LLY, EFI Live w/ IdahoRob tunes, S&B CAI, PPE Lift Pump, Spring Clamps, Slicks, SC IV, EGR & AC Delete, and on a diet. Driver - 2000 Ford Excursion, DP Tunes, AFE stage 2, Oil "X" over, regulated return by ITP, ATS turbo, BTS Trans, Diesel Site Boots, ect..... Last edited by Seven3Smoke; 04-01-2009 at 05:40 AM. |
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03-22-2009, 08:35 PM
| eBay Motors #2 (permalink) |
| DuramaxForum Veteran  Join Date: Jul 2008 Location: Gillette,Wy
Posts: 1,231
| Sounds like you have a tcm problem check all your fuses in the cab and in the engine compartment.
__________________ 2008 Silverado LMM CC SB EFILIVE sleeved jacked stacked deleted plugged rerouted and pumped converted and boosted -Cole-  |
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03-22-2009, 08:38 PM
| eBay Motors #3 (permalink) |
| DuramaxForum Veteran  Join Date: Mar 2008 Location: Omaha, Ne
Posts: 1,260
| check the neutral safety switch
__________________ Four stroke diesel S.S.B.B. Suck Squeez Bang Blow 06 LBZ with 5 inch magnaflow exhaust,Bd exhaust manifold, Bully dog outlook, Fass 150, EFI by Rob, SC4 TC1056, transfer case brace, hid 8k on highs and lows My iron is yellow Current project-389 pete glider C-16 Stage 2.5 pdi injectors, stage 3 pdi cam, stage 1 tuning,stage 3 turbo, ending hp 850 to the ground! Id rather be dead then CUMMINS RED! |
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03-22-2009, 09:05 PM
| eBay Motors #4 (permalink) |
| Duramax Forum Supporter Join Date: Mar 2009 Location: Denver, CO
Posts: 123
| I checked all the fuses in the engine compartment and under the dash. No problems? Where is the neutral saftey switch located?
__________________ Track Truck - 2004.5 2wd, LLY, EFI Live w/ IdahoRob tunes, S&B CAI, PPE Lift Pump, Spring Clamps, Slicks, SC IV, EGR & AC Delete, and on a diet. Driver - 2000 Ford Excursion, DP Tunes, AFE stage 2, Oil "X" over, regulated return by ITP, ATS turbo, BTS Trans, Diesel Site Boots, ect..... |
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03-22-2009, 09:17 PM
| eBay Motors #5 (permalink) | |
| Senior Member  Join Date: Feb 2008 Location: Grand Rapids Michigan
Posts: 413
| Quote:
__________________ -2007 GMC 2500 EXT.Cab short box LBZ......love it so far!:rockin  | |
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03-22-2009, 09:22 PM
| eBay Motors #6 (permalink) |
| Administrator    Join Date: Aug 2005 Location: Aviano Italy
Posts: 8,368
| yeah it sounds like a bad NSBU switch. It's not that expensive either.
__________________ SOLD  2004 GMC 2500HD D/A CC Carbon Metallic w/ LB7 4" turbo back MBRP exhaust, Cognito UCAs & HD tierods TST Powermax Programmer, Diablosport Predator 305/70-16 BFG T/A KOs on Eagle Alloys Series 187 Clifford remote start. High Idle, Bilstein 5100s, 1.5" lift blocks CAT fuel filter w/ nicktane adapter Magnum Force Stage 2 intake with AMSOIL filter Racor 2 Micron pre-OEM with heater & water sep Lightforce 140s from Madjackracing  http://WWW.ATPTRUCKS.COM/  |
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03-22-2009, 09:25 PM
| eBay Motors #7 (permalink) |
| Duramax Forum Supporter Join Date: Mar 2009 Location: Denver, CO
Posts: 123
| Sorry is NSBU the neutral saftey switch? Can I check it or do I need to replace it?
__________________ Track Truck - 2004.5 2wd, LLY, EFI Live w/ IdahoRob tunes, S&B CAI, PPE Lift Pump, Spring Clamps, Slicks, SC IV, EGR & AC Delete, and on a diet. Driver - 2000 Ford Excursion, DP Tunes, AFE stage 2, Oil "X" over, regulated return by ITP, ATS turbo, BTS Trans, Diesel Site Boots, ect..... |
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03-22-2009, 09:28 PM
| eBay Motors #8 (permalink) | |
| Senior Member Join Date: Feb 2008 Location: Grand Rapids Michigan
Posts: 413
| Quote:
__________________ -2007 GMC 2500 EXT.Cab short box LBZ......love it so far!:rockin | |
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03-22-2009, 10:32 PM
| eBay Motors #9 (permalink) |
| DuramaxForum Veteran Join Date: Nov 2008 Location: tacoma wa
Posts: 2,426
| nsbu switch, Put it in 4 low and see what it does.
__________________ 2005 LT 3500HD CCLB SRW LLY EFI LIVE TUNED BY IDAHOROB TCM TUNED BY MMLMM Lbz intake and mouthpiece Torsion lift keys MBRP 4" turbo back Autometer boost and egt, res mod, Ride rite bags Mcculloch 5300k HIDS Hauls a 13k toyhauler to the dunes My other car follow the link http://www.superchevy.com/features/c..._ss/index.html |
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03-25-2009, 02:32 PM
| eBay Motors #10 (permalink) |
| Duramax Forum Supporter Join Date: Mar 2009 Location: Denver, CO
Posts: 123
| Ok NSBU switch is replaced now truck wont start? It may not be related to this work as it did this last week as well. Last time it acted up I pulled the bat cables and let it set for 10min then hooked it up and it fired up? I realy need a code scaner because it spins over great and I primed the fuel but something will not let it start?
__________________ Track Truck - 2004.5 2wd, LLY, EFI Live w/ IdahoRob tunes, S&B CAI, PPE Lift Pump, Spring Clamps, Slicks, SC IV, EGR & AC Delete, and on a diet. Driver - 2000 Ford Excursion, DP Tunes, AFE stage 2, Oil "X" over, regulated return by ITP, ATS turbo, BTS Trans, Diesel Site Boots, ect..... |
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