The NVG246 transfer case is man-ufactured by New Process Gear, located in Syracuse, NY, and is referred to as an Automatic Transfer Case or Active Transfer Case. The transfer case system is con-trolled by an Automatic Transfer Case Control Module (ATCM), which auto-matically controls the amount of torque being transmitted to the front differen- Np246 Gm 4wd Transfer Case 4 Pin Shift Motor Encoder For Chevy Gmc Rpo Code Np8 289.95 View Item Details Ram 1500 2011-2017 Transfer Case P52123492ab Nv246 Electric ... np246 np261 np261hd np263 np263hd np242 np149 np144d np241d np231d np233d np243d np244d np236 np136 nv120 np126 np226 transfer case rear output seal with boot 2.695" o.d. (22507) TPD PRO-LINE $11.88 $9.88 $17.95 Remanufactured Transfer Cases The NP246 Transfer Case (New Process 246) saw a production run largely in the early-mid 2000s for GM trucks, and the late 2000s for Dodge Ram. These units are very similar to the NP243 Transfer Case. The basic system consists of a transfer case motor and encoder, front differential actuator, transfer case module, speed sensors, switches and park input and output to the PCM. It seems logical to use case studies to show how these systems can be repaired. At issue was a 2005 GMC K1500 104K miles, the NP246 transfer case started acting weird in the summer of 2016, inquiries on the net led me to replacing the 4WD dash switch. After swapping the new and old switches in and out a few times the problem with the transfer case not shifting, erratic indicator lights, the TC being engaged in the wrong ... The Merchant Automotive 10001 Transfer Case Pump Upgrade Kit with Fluid for your 01-07 GM 6.6L Duramax is the best upgrade you can make to your GM transfer case (model 136, 146, 246, 261, 261HD, 263HD, 263XHD, 261XHD) to prevent the ever increasing problem of pump rub. 2. Remove the transfer case wiring harness connectors from the motor/Encoder. 3. Remove the four bolts that secure the motor/Encoder to the transfer case. INSTALLATION PROCEDURE 1. Install the with a motor/Encoder. 2. Install the four bolts securing the motor/Encoder to the transfer case. - Tighten the motor/Encoder bolts to 25 Nm (18 ft. lbs.). Oct 17, 2016 · Transfer case has no mount because it just hangs on back of adapter housing that is attached to crossmember mount and transmission is bolted to it on frontside. Considering the adapter lasted 17 years with 75 pound transfer case hanging off of it is impressive. I like the design for install. Hope it helps and doesnt confuse anyone. Tools needed Adapt-A-Case BRNY transfer case pump plate kit eliminates these contact issues and helps distribute the contact area of the pump to the magnesium casing and eliminating the U-shaped steel insert.Warranty: This transfer case comes with a 1 Year 36,000 Mile Warranty. Rebuilt Transfer Cases, Good used Transfer Cases, 246, 261, 263, NP1, NP8, GM Transfesfer Case, Chevy Transfer Case. Rebuilt units have a 1 year unlimited mile guarantee. Photos of actual products are available on our PRODUCTS page. Rebuilt Transfer Cases, Good used Transfer Cases, 246, 261, 263, NP1, NP8, GM Transfesfer Case, Chevy Transfer Case. Rebuilt units have a 1 year unlimited mile guarantee. Photos of actual products are available on our PRODUCTS page. Transfer Case Parts. "HM290 NV3500 Cluster, early 1"" groove Getrag 290" "HM290 NV3500 Cluster, Late 1"" Groove Getrag 290 1.1875"" End" GM NP-246 NEW PROCESS TRANSFER CASE 32 spline front input, rear slip output female, spline front output (electric shift). The following parts are always replaced: bearings, seals, fork pads, viscous (when the unit has them) and chains. Oct 07, 2011 · Hi. I got the Service 4WD warning on my 05 Tahoe Z71. No lights on the selector. Couldnt get out of 2HI. Had the code read at AAMCO, was C0327. Researching online pointed to the encoder motor sensor. Found instructions with pictures online about how to replace it. It was going great, I made the m... ABOUT THE NP246. The original rear case half on 246 units has a design issue where the oil pump rubs against the case causing pin-holes in the soft thin magnesium shell. These pin-holes allow the fluid to seep out and evaporate, leaving the transfer case without proper lubrication and cooling. The NP246 transfer case is found in General Motors, Chevrolet, 1999 and later Chevrolet/GMC 4WD 1/2 Ton Pickup Silverado/Seirra, Suburban, Tahoe & Yukon 4 wheel drive vehicles. The NP246 has a design problem where the pump can wear out the case causing premiture failure and leaking. ABOUT THE NP246. The original rear case half on 246 units has a design issue where the oil pump rubs against the case causing pin-holes in the soft thin magnesium shell. These pin-holes allow the fluid to seep out and evaporate, leaving the transfer case without proper lubrication and cooling. Hi Everyone, I am new to your forum and I am having a heck of a time with my wifes 2001 yukon xl 4x4. I can fix it if I can diagnose the problem. These are the symptoms I am having. The light for the gear selector on the display only lights up behind D,R,1,2 but not neutral or park. It lights up... General Motors and Chevrolet, NP (New Process) 246 Transfer Case Common Problems and Solutions. The rear case half of this unit is made out of magnesium and ... Find great deals on eBay for np246 transfer case. Shop with confidence. NP246 OEM Quality Replacement Transfer Case. Remanufactured Bulldog Tough from The Gear Shop! This is the NP8 unit that fits GM trucks 2003-2007 with a 4L60E transmission. This unit has the splined shift selector and 27 spline input shaft. Rebuilt Transfer Cases, Good used Transfer Cases, 246, 261, 263, NP1, NP8, GM Transfesfer Case, Chevy Transfer Case. Rebuilt units have a 1 year unlimited mile guarantee. Photos of actual products are available on our PRODUCTS page. Our factory rebuilt re-manufactured Transfer Cases are dyno tested before leaving the factory, New Venture Gear for the General Motors and Chevrolet, this transfer case is also sometimes referred to as a NP246. The NV246 has a factory engineering defect.