GM Service Manual Online
For 1990-2009 cars only

Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance .

Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by your warranty. Do not allow the wiper blade arm to touch the windshield.

  1. To remove the old wiper blades, lift the wiper arm until it locks into a vertical position.

    1. Object Number: 807879  Size: B4

      Blade Assembly

      Arm Assembly

      Locking Tab

      Blade Pivot

      Hook Slot

      Arm Hook

  2. Press down on the blade assembly pivot locking tab. Pull down on the blade assembly to release it from the wiper arm hook.
  3. Remove the insert from the blade assembly. The insert has two notches at one end that are locked by the bottom claws of the blade assembly. At the notched end, pull the insert from the blade assembly.

  4. Object Number: 808679  Size: B3
  5. To install the new wiper insert, slide the insert (D), notched end last, into the end with two blade claws (A). Slide the insert all the way through the blade claws at the opposite end (B). The plastic caps (C) will be forced off as the insert is fully inserted.
  6. Be sure that the notches are locked by the bottom claws. Make sure that all other claws are properly locked on both sides of the insert slots.

    1. Object Number: 807887  Size: B4

      Claw in Notch

      Correct Installation

      Incorrect Installation

  7. Put the blade assembly pivot in the wiper arm hook. Pull up until the pivot locking tab locks in the hook slot.
  8. Carefully lower the wiper arm and blade assembly onto the windshield.

Backglass Wiper Blade Replacement


    Object Number: 1736713  Size: B2
  1. Lift the wiper blade assembly up and out of the park rest position.
  2. Pull the wiper blade assembly away from the backglass. The backglass wiper blade will not lock in a vertical position, so care should be used when pulling it away from the vehicle.
  3. Rotate the wiper blade assembly, and pull it off of the wiper arm. Hold the wiper arm in position and push the blade away from the wiper arm.

  4. Object Number: 1736717  Size: B2
  5. Replace the wiper blade.
  6. Return the wiper blade assembly to the park rest position.