GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Body Systems 🢒 Wipers and Washers 🢒 Wiper Blade Element Check

    Object Number: 334256 Size: SH
  1. Remove the wiper blades from the wiper arms. Refer to Windshield Wiper Blade Replacement .
  2. Look down the length of the blade element.
  3. Replace the wiper blade if the rubber element which contacts the glass is not on the centerline of the blade +/-15 degrees.
  4. Install the wiper blades on the wiper arms. Refer to Windshield Wiper Blade Replacement .