GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 25070 Heat Gun

Removal Procedure

  1. Apply tape for alignment marks to aid in the installation of the emblem/nameplate.
  2. Use the tape to protect the mounting surface during removal.

  3. Object Number: 643109  Size: SH
  4. Heat the emblem/nameplate using the J 25070 . Apply heat using a circular motion for about 30 seconds.
  5. Notice: Refer to Exterior Trim Emblem Removal Notice in the Preface section.


    Object Number: 321645  Size: SH
  6. Use a plastic, flat-bladed tool to remove the emblem/nameplate from the panel surface.
  7. When replacing a emblem/nameplate, remove all adhesive as follows:
  8. • For body panels use a 3M™ Scotch Brite molding adhesive remover disk 3M™ P/N 07502 or equivalent.
    • For plastic panels use a lint-free cloth and Varnish Makers and Painters (VMP) naphtha or a (50/50 mixture) by volume of isopropyl alcohol and water to remove the adhesive.

Installation Procedure

    Important: Apply the emblem/nameplate in an environment that is free from dust or other dirt that could come into contact with the sticky backing. Foreign material may cause improper adhesion.

  1. Ensure the area where the emblem/nameplate will be installed is clean and dry.

  2. Object Number: 590602  Size: SH
  3. Apply tape and mark the location as shown for the Bonneville front fender emblem/nameplate.
  4. Heat the mounting surface to approximately 27-41°C (80-105°F) using the J 25070 , if necessary.
  5. Ensure that the temperature of the emblem/name plate is approximately 29-32°C (85-90°F).
  6. Important: Do not touch the adhesive backing of the emblem/name plate.

  7. Remove the protective liner from the back of the emblem/name plate.
  8. Position the emblem/name plate to the location marks and press the emblem/name plate to the mounting surface.
  9. Apply equal pressure along the emblem/name plate to uniformly bond the item to the mounting surface.
  10. Remove the protective tape from the mounting surface.