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Chevrolet Silverado / GMC Sierra. Manual - part 2521
Fig. 7: Transmission Control
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Remove the control lever and boot. Refer to Transmission Control Lever Boot
Replacement.
2. Remove the transmission support. Refer to Transmission Support Crossmember
Replacement (2WD 2500 HD/3500) or Transmission Support Crossmember
Replacement (2WD 1500/2500) or Transmission Support Crossmember
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (M96) - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
TRANSMISSION CONTROL LEVER BOOT REPLACEMENT
Removal Procedure
1. Remove the transmission control lever. Refer to Transmission Control Lever Knob
Replacement.
Replacement (4WD 1500/2500) or Transmission Support Crossmember
Replacement (4WD 2500 HD/3500) .
3. Lower the transmission slightly to access the insulator.
4. Cut and remove the insulator.
5. Shift the transmission to neutral.
1
Transmission Control Bolt (Qty: 4)
Tip: Remove ONLY the exposed bolts at the base of the lever.
Tighten:: 11 N.m (97 lb in)
NOTE:
Refer to Fastener Notice .
2
Transmission Control
Tip: Do not disassemble the transmission shift lever. Internal parts for this shift
lever are not available.
3
Transmission Control Spacer
Procedure:
Apply sealer GM P/N 12345739 (Canadian P/N 10953541) to the shift cover
side of the shift tower spacer.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (M96) - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 8: Exploded View Of Transmission Control Lever Boot
Courtesy of GENERAL MOTORS CORP.
2. Lift and push the lower edge of the control lever boot as necessary in order to expose the
retaining screws
3. Remove the 4 control lever boot retaining screws (2).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (M96) - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
4. Carefully release the 4 plastic retainers (3) from the floor and remove the control lever boot
retaining bezel (1), boot (4), and retainers (3) as an assembly.
5. Remove the 4 plastic retainers (3) in order to separate the control lever boot retaining bezel
(1) from the boot (4).
6. Remove the control lever insulator (5) from the floor.
Installation Procedure
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (M96) - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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