Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (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).