Installation Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Use the thread locker GM P/N 12345382 to all bolt threads prior to assembly.

Fig 1: Installing Assist Step Bracket & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the assist step brackets to the vehicle.
Install the bolts (6) to the brackets and ensure that the brackets are seated securely to the inner rocker panel.
Install the heater and A/C tubes retaining nuts to the studs, if equipped. Refer to HEATER PIPE .
With an assistant, install the assist step to the vehicle.
Install the bolts (3,1) to the assist step bracket, and leave the bolts loose.

Fig 2: Installing Bottom Fender Bolt & Washer

Courtesy of GENERAL MOTORS CORP.

Install the bottom fender bolt (2) and the washer to the vehicle.

NOTE: Refer to FASTENER NOTICE .

Tighten the assist step fasteners in the following sequence:
Tighten:
1. Tighten the front fender bolt to 25 N.m (18 lb ft).
2. Tighten the bracket bolt to 25 N.m (18 lb ft).
3. Tighten the assist step bracket bolt (2) to 9 N.m (80 lb in).
4. Tighten the assist step to the bracket bolt to 9 N.m (80 lb in).

Fig 3: Installing Assist Step Rear Cover & Push-In Retainer

Courtesy of GENERAL MOTORS CORP.

Install the assist step rear cover to the vehicle.
Install the push-in retainer.

Fig 4: Installing Assist Step Front Cover & Push-In Retainer

Courtesy of GENERAL MOTORS CORP.

Install the assist step front cover to the vehicle.
Install the push-in retainer.