Silverado 3500 4WD V8-6.0L VIN U (2004)
1. Install the evaporator core (1) to the HVAC module assembly (2).
2. Install the evaporator cowl gasket (1) to the evaporator (2).
1. Install the evaporator core (1) to the HVAC module assembly (2).
2. Install the evaporator cowl gasket (1) to the evaporator (2).