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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1663 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Manual Shift Shaft and Parking System Components Overhaul (6L80/6L90)

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

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Manual Shift Shaft & Parking System Components (6L80/6L90)
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.