Chevrolet Silverado / GMC Sierra. Manual - part 799
TORQUE CONVERTER FLUID SEAL REPLACEMENT
Fig. 171: Torque Converter Fluid Seal Replacement
1. Thoroughly clean the torque converter housing assembly, including threads, with clean
solvent.
2. Clean sealing surfaces.
3. Inspect all threaded holes. If necessary, repair any thread damage.
1
Line Pressure Test Hole Plug
2
A/Trans Vent Pipe
3
Trans Fluid Cooler Pipe Fitting Seal
Tip: Refer to Fluid Cooler Pipe Seal
Replacement.
NOTE:
Refer to Seal Reuse Notice .
4
Torque Converter Bushing
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Courtesy of GENERAL MOTORS CORP.
FLUID COOLER PIPE SEAL REPLACEMENT
Fig. 172: Fluid Cooler Pipe Seal Replacement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Torque Converter Fluid Seal Retaining Ring
2
Torque Converter Fluid Seal Assembly
Special Tool:
J 45000 Seal Remover. See Special Tools.
Callout
Component Name
1
Trans Fluid Cooler Pipe Fitting Seals (Qty: 2)
Special Tools
DT 47770 Seal Installer. See Special Tools.
J 45201 Cooler Line Seal Remover. See
Special Tools.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
FLUID PUMP SELECTIVE MEASUREMENT
Fig. 173: Fluid Pump Selective Measurement
Courtesy of GENERAL MOTORS CORP.
TORQUE CONVERTER HOUSING WITH FLUID PUMP ASSEMBLE
Callout
Component Name
1
Pump Rotor Cavity
Tip: Measure the distance from the bottom of the
gage bar to the bottom of the pump rotor cavity.
Refer to Fluid Pump Selective Specifications .
2
A/Trans Fluid Pump Rotor
Tip: Refer to Fluid Pump Selective
Specifications to select the correct rotor.
3
A/Trans Fluid Pump Slide
Tip: Refer to Fluid Pump Selective
Specifications to select the correct slide.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 174: Torque Converter Housing with Fluid Pump Assemble
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Fluid Pump Slide Fluid Seal Ring
2
Fluid Pump Slide (O-Ring) Seal
3
Fluid Pump Slide Pivot Pin
4
Fluid Pump Slide Seal Support
Tip: The seal support is circular. The seal is
rectangular.
5
Slide Seal
6
Fluid Pump Slide
Tip: If installing a NEW pump slide into the torque
converter housing, ensure to properly select the
correct rotor and slide before performing this
procedure. Refer to Fluid Pump Selective
Measurement and Fluid Pump Selective
Specifications .
7
Fluid Pump Slide Outer Spring
8
Fluid Pump Vane Ring
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado