GM Service Manual Online
For 1990-2009 cars only

Rear Compartment Lid Emblem/Nameplate Replacement w/o B57

Tools Required

J 25070 Heat Gun

Removal Procedure

    Important: Apply the tape for protection and alignment marks for alignment of the new emblem/nameplate.

  1. Apply the tape to the area around the emblem/nameplate.

  2. Object Number: 643109  Size: SH
  3. Heat the emblem/nameplate using the J 25070 . Apply the heat using a circular motion for about 30 seconds holding the heat gun 152 mm (6 in) from the surface.
  4. Remove the emblem/nameplate from the surface using a small plastic flat-bladed tool, being careful not to damage the paint.
  5. When replacing a emblem/nameplate, remove all adhesive as follows:

  6. Object Number: 321645  Size: SH
    • 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.


    Object Number: 788703  Size: SH
  1. Ensure the area (1) where the emblem/nameplate (2) will be installed is clean and dry.

  2. Object Number: 788705  Size: SH
  3. If the location of the emblem/nameplate has not been marked, apply tape and use the following dimensions:
  4. • 24 mm (0.94 in) (a) from the horizontal edge of the rear compartment lid
    • 209 mm (8.23 in) (b) from the vertical edge of the rear compartment lid

    Object Number: 643109  Size: SH
  5. Heat the mounting surface to approximately 27-41°C (80-105°F) using the J 25070 , if necessary.
  6. Ensure that the temperature of the emblem/nameplate is approximately 29-32°C (85-90°F).
  7. Important: Do not touch the adhesive backing of the emblem/nameplate.


    Object Number: 788703  Size: SH
  8. Remove the protective liner from the back of the emblem/nameplate (2).
  9. Position the emblem/nameplate to the location marks (1) and press the emblem/nameplate to the mounting surface.
  10. Apply equal pressure along the emblem/nameplate to uniformly bond the item to the mounting surface.
  11. Inspect the emblem/nameplate for bonding.
  12. Hand roll loose ends.

  13. Remove the tape from the mounting surface.

Rear Compartment Lid Emblem/Nameplate Replacement with B57

Tools Required

J 25070 Heat Gun

Removal Procedure

    Important: Apply the tape for protection and alignment marks for alignment of the new emblem/nameplate.

  1. Apply the tape to the area around the emblem/nameplate.

  2. Object Number: 643109  Size: SH
  3. Heat the emblem/nameplate using the J 25070 . Apply the heat using a circular motion for about 30 seconds holding the heat gun 152 mm (6 in) from the surface.
  4. Remove the emblem/nameplate from the surface using a small plastic flat-bladed tool, being careful not to damage the paint.
  5. When replacing a emblem/nameplate, remove all adhesive as follows:

  6. Object Number: 321645  Size: SH
    • 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.


    Object Number: 708000  Size: SH
  1. Ensure the area (1) where the emblem/nameplate (2) will be installed is clean and dry.

  2. Object Number: 708006  Size: SH
  3. If the location of the emblem/nameplate has not been marked, apply tape and use the following dimensions:
  4. • 32 mm (1.25 in) (a) from the horizontal edge of the rear compartment lid
    • 41 mm (1.61 in) (b) from the vertical edge of the rear compartment lid
    • 162 mm (6.38 in) (c) from the vertical edge of the rear compartment lid
    • 10 mm (0.39 in) (d) from the vertical edges of the Cadillac and CTS emblem
    • 33 mm (1.30 in) (e) from the horizontal edge of the rear compartment lid

    Object Number: 643109  Size: SH
  5. Heat the mounting surface to approximately 27-41°C (80-105°F) using the J 25070 , if necessary.
  6. Ensure that the temperature of the emblem/nameplate is approximately 29-32°C (85-90°F).
  7. Important: Do not touch the adhesive backing of the emblem/nameplate.


    Object Number: 708000  Size: SH
  8. Remove the protective liner from the back of the emblem/nameplate (2).
  9. Position the emblem/nameplate to the location marks (1) and press the emblem/nameplate to the mounting surface.
  10. Apply equal pressure along the emblem/nameplate to uniformly bond the item to the mounting surface.
  11. Inspect the emblem/nameplate for bonding.
  12. Hand roll loose ends.

  13. Remove the tape from the mounting surface.