GM Service Manual Online
For 1990-2009 cars only

Object Number: 1876670  Size: SF

Callout

Component Name

Preliminary Procedure

Open and support the hood in order to access and remove the wiper blade assembly.

Special Tools

J 39637 Wiper Arm Puller

1

Windshield Wiper Arm Nut Cover

Tip
Gently pry the cap from the wiper arm nut.

2

Windshield Wiper Arm Nut

Notice: Refer to Fastener Notice in the Preface section.

Procedure

  1. Gently rock the wiper arm side to side and remove.
  2. If the wiper arm fails to release, use the J 39637 to release the arm from the pivot shaft.
  3. Hold the driver side wiper arm blade tip to the center dot located in the windshield blackout below the dot matrix while securing the nut.
  4. Hold the passenger side wiper arm blade tip to the passenger side outer dot located in the windshield blackout below the dot matrix while securing the nut.

Tighten
25 N·m (18 lb ft)

3

Windshield Wiper Arm

Procedure

  1. Remove the wiper blade assembly from the wiper arm. Refer to Windshield Wiper Blade Replacement.
  2. Clean the transmission pivot shaft with a soft wire brush prior to installing the wiper arm back onto the pivot shaft.

Object Number: 1876670  Size: SF

Callout

Component Name

Preliminary Procedure

Open and support the hood in order to access and remove the wiper blade assembly.

Special Tools

J 39637 Wiper Arm Puller

1

Windshield Wiper Arm Nut Cover

Tip
Gently pry the cap from the wiper arm nut.

2

Windshield Wiper Arm Nut

Caution: Refer to Fastener Caution in the Preface section.

Procedure

  1. Gently rock the wiper arm side to side and remove.
  2. If the wiper arm fails to release, use the J 39637 to release the arm from the pivot shaft.
  3. Hold the driver side wiper arm blade tip to the center dot located in the windshield blackout below the dot matrix while securing the nut.
  4. Hold the passenger side wiper arm blade tip to the passenger side outer dot located in the windshield blackout below the dot matrix while securing the nut.

Tighten
25 N·m (18 lb ft)

3

Windshield Wiper Arm

Procedure

  1. Remove the wiper blade assembly from the wiper arm. Refer to Windshield Wiper Blade Replacement.
  2. Clean the transmission pivot shaft with a soft wire brush prior to installing the wiper arm back onto the pivot shaft.