Chevrolet Silverado / GMC Sierra. Service manual - part 1290

Fig. 77: Cutting Sectioning Panels 
Courtesy of GENERAL MOTORS CORP. 

7. Measure 70 mm (2 3/4 in) down from the large wiring harness hole in the hinge pillar (1). Mark a 

horizontal line. 

8. Cut the panel in the locations where sectioning is to be performed. 

IMPORTANT: Do not damage any inner panels or reinforcements.

 

2008 Chevrolet Silverado 1500 

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

Silverado

  

Fig. 78: Drilling Out Factory Welds 
Courtesy of GENERAL MOTORS CORP. 

9. Locate and drill out all factory welds. Note the number and location of the welds for installation of the 

service part. 

 

2008 Chevrolet Silverado 1500 

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

Silverado

  

Fig. 79: View Of Damaged Hinge Pillar 
Courtesy of GENERAL MOTORS CORP. 

10. Remove the damaged hinge pillar. 

 

2008 Chevrolet Silverado 1500 

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

Silverado

  

Fig. 80: Cutting 30 mm Tabs 
Courtesy of GENERAL MOTORS CORP. 

11. Cut and remove 30 mm (1 3/16 in) from the flanges on either side of the remaining section of the original 

piller. Cut 5 mm (3/16 in) wide gaps in the bottom corners. 

 

2008 Chevrolet Silverado 1500 

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

Silverado