GM Service Manual Online
For 1990-2009 cars only

Roof Panel Joint Finish Molding Replacement Standard Cab

Tools Required

J 25070 Heat Gun

Removal Procedure

  1. Use the J 25070 in order to heat the molding and the surrounding sheet metal to 82-93°C (180-200°F).

  2. Object Number: 373558  Size: SH
  3. Remove the roof joint molding.
  4. • Use a flat bladed tool in order to pry off the molding between the sealer and the joint. Use pliers or a similar tool in order to handle the hot molding and pull the molding loose. The molding and the sealer should come off in 1 piece.
    • Do not damage the paint on the cab.
  5. Clean the joint in order to remove any remaining sealer. Sealer could interfere with the fit of the replacement molding.

Installation Procedure


    Object Number: 373558  Size: SH
  1. Use the J 25070 in order to heat the cab in the joint area. Preheat the sheet metal to approximately 93°C (200°F).
  2. Install the molding.
  3. Preheat the sheet metal in order to melt the sealer and bond the molding into the joint. Sealer begins to flow at approximately 93°C (200°F).

Roof Panel Joint Finish Molding Replacement Extended Cab

Tools Required

J 25070 Heat Gun

Removal Procedure

  1. Use the J 25070 in order to heat the molding and the surrounding sheet metal to 82-93°C (180-200°F).

  2. Object Number: 373566  Size: SH
  3. Remove the roof joint molding.
  4. Use a flat bladed tool in order to pry off the molding between the sealer and the joint. Use pliers or a similar tool in order to handle the hot molding and pull the molding loose. The molding and the sealer should come off in 1 piece.

    Do not damage the paint on the cab.

  5. Clean the joint in order to remove any remaining sealer. Sealer could interfere with the fit of the replacement molding.

Installation Procedure

Important: Preheat the sheet metal in order to melt the sealer and bond the molding into the joint. Sealer begins to flow at approximately 93°C (200°F).


    Object Number: 373566  Size: SH
  1. Use the J 25070 in order to heat the cab in the joint area. Preheat the sheet metal to approximately 93°C (200°F).
  2. Install the molding.