Assist Step Replacement (Power BRS)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power Assist Step And Bolts (Power BRS)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Deploy the power assist step. If the motor fails to deploy perform the following. Remove the two plastic shield cover screws and cover on the side of the motor assembly. Remove the motor housing screws and housing cover from the motor assembly. Rotate the armature by hand to fully extend the assist step. Mark the location of the front T-slotted bracket and measure to the front of the assist step with a grease pencil and tape measure. Transfer the measurement to the new assist step with the grease pencil and tape measure. Mark the location of the rear T-slotted bracket and measure to the rear of the assist step with a grease pencil and tape measure. Transfer the measurement to the new assist step with the grease pencil and tape measure.
1	Power Assist Step Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 12 N.m (106 lb in)
2	Power Assist Step IMPORTANT: It is essential to make the measurements in the preliminary procedures or the power assist steps may not be aligned to the body properly. TIP: Transfer any parts as needed.

Callout

Component Name

Preliminary Procedures

Deploy the power assist step. If the motor fails to deploy perform the following.
Remove the two plastic shield cover screws and cover on the side of the motor assembly.

Remove the motor housing screws and housing cover from the motor assembly.

Rotate the armature by hand to fully extend the assist step.
Mark the location of the front T-slotted bracket and measure to the front of the assist step with a grease pencil and tape measure.
Transfer the measurement to the new assist step with the grease pencil and tape measure.
Mark the location of the rear T-slotted bracket and measure to the rear of the assist step with a grease pencil and tape measure.
Transfer the measurement to the new assist step with the grease pencil and tape measure.

Power Assist Step Bolt (Qty: 4)

CAUTION:

Refer to Fastener Caution .

Tighten
12 N.m (106 lb in)

Power Assist Step

IMPORTANT:

It is essential to make the measurements in the preliminary procedures or the power assist steps may not be aligned to the body properly.

TIP: Transfer any parts as needed.