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Chevrolet Silverado / GMC Sierra. Manual - part 2266
TRANSMISSION SUPPORT CROSSMEMBER REPLACEMENT (2WD 2500 HD/3500)
Fig. 10: Transmission Support Crossmember (2WD 2500 HD/3500)
Courtesy of GENERAL MOTORS CORP.
2
Procedure
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and
allow to dry.
3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
3
Lower Control Arm Crossmember
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.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
TRANSMISSION SUPPORT CROSSMEMBER REPLACEMENT (2WD 1500/2500)
1
Transmission Mount to Crossmember Nut (Qty: 2)
Tighten: 40 N.m (30 lb ft)
NOTE:
Refer to Fastener Notice .
2
Transmission Crossmember Nut (Qty: 4)
Tighten: 97 N.m (70 lb ft)
3
Transmission Crossmember Bolt (Qty: 4)
Tip:
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and
allow to dry.
3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
4
Transmission Crossmember
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
Fig. 11: Transmission Support Crossmember (2WD 1500/2500)
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 (Qty: 2)
Tighten: 40 N.m (30 lb ft)
NOTE:
Refer to Fastener Notice .
2
Transmission Crossmember Nut (Qty: 4)
Tighten: 97 N.m (70 lb ft)
Transmission Crossmember Bolt (Qty: 4)
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
TRANSMISSION SUPPORT CROSSMEMBER REPLACEMENT (4WD 1500/2500)
Fig. 12: Transmission Support Crossmember (4WD 1500/2500)
Courtesy of GENERAL MOTORS CORP.
3
Tip:
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and
allow to dry.
3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
4
Transmission Crossmember
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.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
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