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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6L80 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Off-Vehicle Repair Instructions >> Manual Shift Shaft and Parking System Components Overhaul (6L80/6L90)

Manual Shift Shaft and Parking System Components Overhaul (6L80/6L90)

Fig 1: Identifying Manual Shift Shaft & Parking System Components
GM1555292Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manual Shaft Detent Lever Hub Pin
CAUTION: Refer to Pin Reuse Caution .
2 Manual Shift Shaft Pin
CAUTION: Refer to Pin Reuse Caution .
3 Manual Shift Shaft
CAUTION: Install the gear flat side down. Failure to install the gear flat side down may result in transmission damage.

Tip:  Refer to Manual Shift Shaft Seal Replacement .
4 Manual Shaft Detent Lever Assembly
5 Park Pawl Actuator Assembly
6 Park Pawl Actuator Guide Pin
CAUTION: Refer to Pin Reuse Caution .

Tip:  Use a large pair of side cutters to "walk" the pin out.
7 Park Pawl Actuator Guide
8 Park Pawl Actuator Guide (O-ring) Seals
CAUTION: Refer to Seal Reuse Caution .
9 Park Pawl
Tip:  Inspect for damage only. Do not remove. The park pawl is not a serviceable component.
10 Park Pawl Spring
Tip:  Inspect for damage only. Do not remove. The park pawl spring is not a serviceable component.