GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 2WD 🢒 Body and Accessories 🢒 Cellular Communication 🢒 Vehicle Locating Antenna Ground Plate Replacement

Removal Procedure
  1. Remove the navigation antenna from the ground plate. Refer to OnStar GPS Antenna Replacement .
  2. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

    3. Object Number: 813590 Size: SH
  3. Use a drill bit to drill the head of the rivet (2) out.
  4. Remove the plate (1) from the roof.
  5. Ensure that there are no pieces of metals in the roof to cause rattle while driving.

Installation Procedure

    Object Number: 813590 Size: SH
  1. Install the ground plate to the roof making sure the locking tabs slides into the holes in the roof.
  2. Install a new rivet (2) to retain the ground plate in place.
  3. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  4. Install the navigation antenna to the ground plate. Refer to OnStar GPS Antenna Replacement .
  5. Inspect the operation of the Onstar system.