Chevrolet Silverado / GMC Sierra. Manual - part 850
3. Remove and discard seals from bolts removed.
Installation Procedure
Fig. 38: Torque Converter Housing Bolts
Courtesy of GENERAL MOTORS CORP.
1. Install new seals on any removed bolts (1).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
2. Install any bolts (1) removed.
Tighten: Tighten bolts to 56 N.m (41 lb ft).
3. Install the torque converter into the transmission. Refer to Torque Converter
Replacement.
TRANSMISSION FLUID FILTER ADAPTER REPLACEMENT
Removal Procedure
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 39: Transmission External Oil Filter Assembly
Courtesy of GENERAL MOTORS CORP.
1. Remove the transmission external oil filter (4) by rotating in the counterclockwise direction.
2. Remove the magnet (2) from the transmission external oil filter adapter (1) in the converter
IMPORTANT:
DO NOT drain the fluid if only the transmission external
oil filter adapter is being replaced.
Use a standard strap-type filter wrench to remove or
install the transmission external oil filter.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
housing or from the filter element.
3. Clean any metal debris from the magnet. Presence of any metal pieces larger than dust may
indicate that transmission replacement or overhaul is required.
4. Remove the filter adapter (1) from the converter housing.
Installation Procedure
Fig. 40: Transmission External Oil Filter Assembly
Courtesy of GENERAL MOTORS CORP.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado