GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Body Systems 🢒 Wipers and Washers 🢒 Windshield Wiper Arm Replacement

Windshield Wiper Arm Replacement GMC Envoy

Removal Procedure

    Object Number: 751297 Size: SH
  1. Remove the cover from the nut on the wiper arm.
  2. Hold the wiper arm and remove the nut from the wiper arm.

    3. Note: Use a battery terminal puller to remove the wiper arm if rocking the wiper arm fails to loosen it from the drive shaft.

  3. Push inward at the wiper arm pivot in order to loosen it from the drive shaft.
  4. Remove the wiper arm from the pivot shaft.
  5. Remove the wiper arm blade from the wiper arm. Refer to Windshield Wiper Blade Replacement.
  6. Clean the knurls of the drive shaft with a wire brush.

Installation Procedure
  1. Install the wiper arm blade to the wiper arm. Refer to Windshield Wiper Blade Replacement.

    2. Object Number: 751297 Size: SH
  2. Install the wiper arm onto the drive shaft.

    3. Object Number: 1272636 Size: SH
  3. Hold the wiper arm blade (2) in position to the dots (1) in the windshield blackout area.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the nut on the drive shaft.

    5. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  5. Install the cover on the nut.
  6. Operate the wipers and inspect for proper operation.

Windshield Wiper Arm Replacement SS


Object Number: 1649374 Size: SF

Callout

Component Name

1

Windshield Washer Arm Finish Cover

Tip
Use a small flat-bladed tool to remove finish cap.

2

Windshield Washer Arm Nut

Caution: Refer to Fastener Caution in the Preface section.

Tip
Hold wiper arm blade tip to the target marks in the lower blackout area of the windshield while tightening the nut.

Tighten
35 N·m (26 lb ft).

3

Windshield Washer Arm

Tip
Use a J 39637 Wiper Arm Puller or slightly rock the arm on the wiper pivot shaft to remove.

4

Windshield Wiper Arm Blade

Tip
Pinch the wiper blade tabs and rotate the blade away from the arm and gently push outward in order to remove the blade from the arm.