Chevrolet Silverado / GMC Sierra. Manual — part 806
Fig. 191: Torque Converter Housing with Fluid Pump Installation
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
NEW Fluid Pump Seal
2
Torque Converter (with Fluid Pump) Housing
Assembly
NOTE:
Ensure the turbine shaft (O-ring) seal is not
installed prior to installing the torque converter
housing assembly. The seal may become cut or
damaged during installation of the torque
converter housing assembly.
Bolts M10 x 50 (Qty: 9)
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
OUTPUT SHAFT SEAL REPLACEMENT
Fig. 192: Output Shaft Seal Replacement
Courtesy of GENERAL MOTORS CORP.
3
Procedure:
Tighten in the sequence shown.
Tighten: 72 N.m (53 lb ft)
NOTE:
Refer to Fastener Notice .
4
NEW Turbine Shaft (O-Ring) Seal
Callout
Component Name
Output Shaft Seal Assembly
Special Tools
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
CONTROL VALVE BODY ASSEMBLY INSTALLATION
Fig. 193: Control Valve Body Assembly Installation
Courtesy of GENERAL MOTORS CORP.
1
DT-48021 Seal Installer (6L90). See Special
Tools.
J 8092 Driver Handle (6L90)
J 38869 Output Shaft Seal Installer (6L80).
See Special Tools.
J 45000 Seal Remover. See Special Tools.
Callout
Component Name
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
AUTOMATIC TRANSMISSION ELECTRICAL CONNECTOR PASSAGE
SLEEVE INSTALLATION
1
NEW Fluid Pump Seal Assembly
2
NEW Fluid Pump Seal Assembly
3
NEW Center Support Fluid Passage Seal
Assembly
4
Control Valve Body Assembly
Tip: Align the manual shift shaft position
switch activator slide with the detent lever
guide pin.
5
Bolts M5 x 73 (Qty: 6)
Procedure:
Tighten in the sequence shown.
Tighten: 8 N.m (71 lb in).
Special Tool:
DT-48285 Valve Body Torx Plus Socket (if
applicable). See Special Tools.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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