Access Hole Plugs, Fill and Drain Plug, Vent, 2/4 Wheel Drive Actuator, and Vehicle Speed Sensor Installation

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Access Hole Plugs, Fill & Drain Plug, Vent, 2/4 Wheel Drive Actuator, & Vehicle Speed Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Transfer Case Two/Four Wheel Drive Actuator Assembly
2	Transfer Case Two/Four Wheel Drive Actuator Bolt/Screw NOTE: Refer to Fastener Notice . Tighten: 18 N.m (13 lb ft)
3	Transfer Case Oil Fill Plug Tip: Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the oil fill plug before installation. Tighten: 18 N.m (13 lb ft)
4	Transfer Case Oil Drain Plug Tip: Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the oil drain plug before installation. Tighten: 18 N.m (13 lb ft)
5	Transfer Case Vent Tip: Apply retaining compound GM P/N 12377901 (Canadian P/N 10953504) to the vent pipe before installation, if removed during disassembly.
6	Vehicle Speed Sensor O-Ring Seal Tip: Lightly lubricate the O-ring with clean DEXRON®VI.
7	Vehicle Speed Sensor Assembly Tighten: 17 N.m (13 lb ft)
8	Transfer Case Access Hole Plugs (Qty: 2)