Colorado 4WD V8-5.3L (2010)
Note: If the location of the original plug weld holes can not be determined, or if structural weld-thru adhesive is present, space the plug weld
holes every 40 mm (11/2 in) apart.
1. Drill 8 mm (5/16 in) plug weld holes as necessary in locations noted from the original panel.
2. Prepare all mating surfaces as necessary.
3. Apply GM-approved Weld-Thru coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair ().
Note: You may need to lift the body to install the radiator support.
4. Position the radiator support. Refer to Drivetrain and Front Suspension Frame Insulator Replacement (See: Frame/Body / Frame Mount
Bushing/Service and Repair).
