Chevrolet Silverado / GMC Sierra. Service manual - part 1302

Fig. 123: Grinding Assembly Mating Flanges To Bare Steel 
Courtesy of GENERAL MOTORS CORP. 

1. Grind the surface of the bed assembly mating flanges to bare steel. Do not damage the corners or thin the 

metal during the grinding process. 

 

2008 Chevrolet Silverado 1500 

2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & 

Silverado

  

Fig. 124: Identifying Mating Flanges Of The Service Side Panel 
Courtesy of GENERAL MOTORS CORP. 

2. Grind the mating flanges of the service side panel to remove the E-coating. Do not damage the corners or 

thin the metal during the grinding operation.  

3. Clean the mating surfaces. 

 

2008 Chevrolet Silverado 1500 

2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & 

Silverado

  

Fig. 125: Applying Metal Panel Bonding Adhesive To Mating Surfaces 
Courtesy of GENERAL MOTORS CORP. 

4. Apply a 3-6 mm (1/8-1/4 in) bead of metal panel bonding adhesive to both of the mating surfaces. 

IMPORTANT: Do not allow the adhesive to cure prior to installing the service side panel.

 

2008 Chevrolet Silverado 1500 

2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & 

Silverado

  

Fig. 126: Applying Adhesive To Mating Surfaces With Brush 
Courtesy of GENERAL MOTORS CORP. 

5. Using a small acid brush, spread a coat of adhesive to both of the mating surfaces. Cover all of the bare 

metal to ensure corrosion protection. 

 

2008 Chevrolet Silverado 1500 

2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & 

Silverado