Suburban 1/2 Ton 2WD V8-5.3L VIN T (2004)
7. Remove the heater core clamp.
8. Remove the heater core from the auxiliary HVAC module.
9. Carefully remove the gasket between the auxiliary HVAC module and the air distributor duct. This gasket will be re-used if possible.
10. Remove the fasteners and separate the front case half from the back half.
11. Remove the evaporator core from the back case half.
12. Inspect the gaskets and the seals for damage.
13. Replace the gaskets and the seals, as needed.
INSTALLATION PROCEDURE
1. Install the evaporator core into the case.
2. Install the evaporator core seal.
3. Reassemble the case halves.
IMPORTANT: Ensure the proper positioning of the air distributor duct gasket and the temperature door during assembly.
