Description
QU10202 NV4500 Countershaft 5th Gear Clutch, fits all New Venture NV4500 5 speed manual transmissions. QU10202 is a current production replacement part that fits on the splined end of your countershaft. Imported.
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Dan the Gear Man® Tech Notes:
Worn Splines
Replacement
NV4500 Tools
Lubricants, Sealants, Threadlockers
Matching Parts
Applications
Tech Note 1: Worn Splines
When servicing your transmission, always check for wear on the internal splines of the 5th gear clutch and the corresponding splines in the countershaft. The clutch is a loose slip-fit on the countershaft. On a new shaft with a new clutch, a dial indicator mounted to the countershaft and indicating off a synchro tooth will read about 0.10". It is fairly common to have the 5th gear clutch splines either wear or fail completely in transmissions run behind enhanced horsepower Diesel engines.
Tech Note 2: Replacement
QU10202 replaces QU10031. It is the current production replacement Countershaft 5th Gear Clutch for all 1992-2007 GM and 1992-2005 Dodge New Venture NV4500 transmissions.
Tech Note 3: 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.
TOOLS for SPECIFIC NV4500 MODELS |
||||||
Component | 23 Spline Dodge 4x4 NV4500LD |
29 Spline Dodge 4x4 NV4500HD |
30 Spline Dodge 4x2 NV4500LD |
31 Spline Dodge 4x2 NV4500HD |
32 Spline GM 4x4 |
35 Spline GM 4x2 |
Mainshaft Nut | QT2002 | QT2001 QT2036 |
QT2002 | QT2001 QT2036 |
QT2002 QT2028 |
1-1/2" Hex Socket |
Mainshaft Holding | NLA | QT2000 | NLA | QT2011 | N/A | N/A |
5th Gear Nut Torx® Cross Bolt |
N/A | QT9205 | N/A | QT9205 | N/A | N/A |
Output Seal Installer | N/A | QT1801 | N/A | QT2058 CALL |
Not Used | Not Used |
Tailshaft Bushing Remover and Installer | Not Used | Not Used | Not Used | QT2044 | Not Used | Not Used |
TOOLS For ALL NV4500 MODELS |
||||||
Countershaft Front Bearing Cup Installer |
QT1802 | Use with QT1101 or QT1119 Driver Handle. Also can use flat side to install Dodge 4x4 Rear Output Seal | ||||
Countershaft Front Bearing Installer | QT2004 | Can also use to press 3-4 Synchro Hub on original equipment mainshafts | ||||
Input Bearing & Countershaft Rear Bearing Installer | QT2005 | Can also use to install Input Seal | ||||
Input Bearing Cup Installer | QT1801 | Use with QT1100, QT1101, QT1116, or QT1119 Driver Handle. | ||||
Countershaft Support | QT2006 | Use to support front of countersahft when installing countershaft rear bearing | ||||
1-2 Synchronizer Support | QT2008 | Use to support 1-2 synchronizer hub during synchronizer assembly | ||||
10mm 1/2" Drive 12 Point Socket | QT1020 | USA Made Impact Socket for Factory Tailshaft Housing Bolts | ||||
Long Shank Punch for Shift Lug | QT9300 | 3/16" x 8" Shank for 5th Gear Shift Lug Roll Pin |
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 V1003DVD 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: Matching Parts
Matching Parts for QU10202 Countershaft 5th Gear Clutch:
QU10203 Countershaft 5th Gear for 1995-2007 GM and 1992-2005 Dodge
QU10729 Countershaft 5th Gear for 1992-1994 GM
QK1102 Lock Ring Kit
QK1110 Thrust Washer Locating Pin Set
QK1099 Synchro Strut Set
QU10304 Countershaft 5th Gear Thrustwasher
QU10039 5th Gear Sliding Clutch Ring
QU10003 5th Gear Synchro Ring
QU10090 Modular Countershaft
QU10078 Countershaft Assembly for 1992-1996 EXCEPT GM with 6.34 Ratio
QU10192/QU10707 1997-2007 Countershaft Assemblies
QU90020 NV4500 Manual Transmission Oil
TM1003 NV4500 Shop Manual
V1003DVD NV4500 Overhaul Video
Chevy & GMC Shop Manuals
Dodge & Ram Shop Manuals
Applications:
Chevy and GMC:
All with New Venture MT8 or MW3 NV4500 5 Speed Manual Transmission: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Dodge and Ram:
D and W Series with Gas Engines and New Venture NV4500 5 Speed Manual Transmission: 1992, 1993
Ram 2500, Ram 3500 with Gas V8 Engine and NV4500LD 5 Speed Manual Transmission: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Ram 2500, Ram 3500 with V10 Engine and NV4500HD 5 Speed Manual Transmission: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Ram 2500, Ram 3500 with Cummins Diesel and NV4500HD 5 Speed Manual Transmission: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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