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Chevrolet Silverado / GMC Sierra. Manual - part 1079
Fig. 204: Transmission Mount Replacement (2WD)
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Support the transmission with a transmission jack.
1
Transmission Mount to Crossmember Nut
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
TRANSMISSION MOUNT REPLACEMENT (4WD)
Fig. 205: Transmission Mount Replacement (4WD)
Courtesy of GENERAL MOTORS CORP.
Tighten: 50 N.m (37 lb ft)
2
Transmission Mount Bolt (Qty: 2)
Tighten: 50 N.m (37 lb ft)
3
Transmission Mount
Tip: Raise the transmission with the transmission jack just enough to remove the
transmission mount.
Callout
Component Name
Preliminary Procedures
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
TRANSMISSION REPLACEMENT
Tools Required
J 21366 Converter Holding Strap. See Special Tools.
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection
and Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries) .
2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or
Two-Piece Propeller Shaft Replacement .
4. Support the transmission with a transmission jack.
5. Remove the transmission crossmember. Refer to Transmission Support Crossmember
Replacement (2WD 2500 HD/3500) or Transmission Support Crossmember
Replacement (2WD 1500/2500) or Transmission Support Crossmember Replacement
(4WD 1500/2500) or Transmission Support Crossmember Replacement (4WD 2500
HD/3500) .
6. Remove the transmission mount. Refer to Transmission Mount Replacement (2WD) or
Transmission Mount Replacement (4WD).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Support the transmission with a transmission jack.
1
Transmission Mount to Crossmember Nut (Qty: 2)
Tighten: 50 N.m (37 lb ft)
NOTE:
Refer to Fastener Notice .
2
Transmission Mount Bolt (Qty: 2)
Tighten: 50 N.m (37 lb ft)
3
Transmission Mount
Tip: Raise the transmission with the transmission jack just enough to remove the
transmission mount.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
7. Remove the catalytic converter pipe. Refer to Catalytic Converter Replacement (4.3L)
or Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter
Replacement (6.6L) .
8. If the vehicle is equipped with a transfer case, remove the front propeller shaft. Refer to
Front Propeller Shaft Replacement .
Fig. 206: Identifying Torque Converter Access Plug
Courtesy of GENERAL MOTORS CORP.
9. Remove the torque converter access plug.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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