QK1108 NV4500 Top Cover Shift Rail Roll Pin Kit

QK1108 NV4500 Top Cover Shift Rail Roll Pin Kit includes the seven rolled spring steel pins used to retain the top cover shift forks and shift lugs to the shift rails.

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Dan the Gear Man® Tech Notes:
Roll Pins
Shift Cover Disassembly
Matching Parts
Lubricants, Sealants, Threadlockers
NV4500 Tools
Applications

Tech Note 1: Roll Pins
NV4500 transmissions use 7 identical rolled steel pins in the shift cover to retain the shift forks and lugs. Two each for the 1-2 and 3-4 shift forks, plus one each in the reverse fork, 3-4 shift lug, and 1-2 shift lug all of which are included in QK1108 Kit. The three main case roll pins are included in QK1109 Kit.

Tech Note 2: Shift Cover Disassembly
The shift cover on NV4500 transmissions was not designed to be disassembled. No factory provisions are provided for removing the 1-2 and 3-4 forks and rails. That does not mean it cannot be done. My fully illustrated, step-by-step, TM1003 NV4500 Shop Manual details proven service procedures for NV4500 shift cover disassembly and reassembly on pages 72-84.

Tech Note 3: Matching Parts
Matching Parts for QK1108 NV4500Top Cover Pin Kit:
QU10081 1st-2nd Synchro Clutch Ring
QU10131 Shift Tower Seal or Boot for 1992-1997 Top Covers with Integral Towers
QU10219 1-2 Shift Rail
QK1145 Late Top Cover Service Kit for 1996-2007
QK1006 1992-1995 Top Cover Shift Rail Kit
QK1107 1996-2007 Top Cover Shift Rail Plug Kit
QU10222 Top Cover Small Parts Kit
QU10186 Plunger, Shift Rail Detent Except 2002-2007 GM
QU10109 Light Compression Orange Color Poppet Spring
QU10110 Medium Compression Green Color Poppet Spring
QU10108 Heavy Compression Natural Color Poppet Spring
QU10160 Top Cover Oil Baffle
QU10052 1-2 Shift Fork
QU10032 OE 3-4 Fork or QU10082 Replacement 3-4 Shift Fork
QU10230 3-4 Shift Rail except 2002-2007 GM
QU10080 Reverse Shift Fork for 1992-1997 Covers with Integral Shift Towers
QU10050 Reverse Shift Fork for 1994.5-2007 Covers with Bolt-On Shift Towers
QU10220 5th-Reverse Shift Rail
QK1123 Shift Stub Kit
QK1027 Shift Lever and Stub Kit
QU10262 Bare Cover Plate for 1992-1997 Transmissions with Integral Shift Tower
QU10263 Bare Cover Plate for 1995-2007 Transmissions with Bolt-On Towers
QK1094 Reverse Shift Fork Pad Kit for 1992-1997 Reverse Forks with Straight Tips
QK1095 Reverse Shift Fork Pad Kit for 1997-2007 Reverse Forks with Curved Tips
QU90020 NV4500 Manual Transmission Oil

Tech Note 4: Lubricants, Sealants, Threadlockers
Early production NV4500 Transmissions used an anaerobic sealant (QU90003) to seal between the main case and input bearing retainer, top cover, and rear housing. Mid-production units used anaerobic sealant just on the input retainer and RTV for everything else. Later production transmissions used black RTV Sealant (QU90006 or QU90005) for everything. Either type of sealant works fine (except the PTO covers ALWAYS should be sealed with RTV), but I prefer RTV for all components. Regardless of which sealant you use, make sure excess sealant does not block the lube access hole at the top of input retainer pilot that fits into the transmission case! Also, the threaded holes in the main case for the four retainer bolts and 12 PTO bolts are open ended, so you must use new bolts with factory applied threadlocker or apply Threadlocker (S24200) to your existing bolts to prevent oil seepage past the bolt threads. See my TM1003 NV4500 Shop Manual or VSG1003DVD NV4500 Overhaul Video for more information.

Lubricant and Chemical List for NV4500 Transmissions:
QU90020 NV4500 Manual Transmission Oil
QU90003 Anaerobic Sealant
QU90006 3.35 oz Ultra Black RTV Sealant
QU90005 0.5 oz Ultra Black RTV Sealant
S24200 6ml Medium Strength Blue Threadlocker
S9978 1 gram Medium Strength Blue Threadlocker
S9979 1 gram High Strength Red Threadlocker
S24026 High Temperature Threadlocker for Mainshaft Nut

Tech Note 5: NV4500 Tools
Need Torque Specs or Rebuild procedures? Order my 116 page, full color illustrated TM1003 NV4500 Rebuild Manual.

You will need some special tools to correctly service your NV4500 Transmission. The chart below lists our current NV4500 Special Tools for popular models.

Applications

Chevy and GMC:
All with New Venture NV4500 Transmission: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007

Dodge and Ram:
All with New Venture NV4500 Series Transmissions: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005