Escalade EXT AWD V8-6.2L (2009)
Hose/Line HVAC: Service and Repair
Auxiliary Air Conditioning Evaporator Tube Replacement
Auxiliary Air Conditioning Evaporator Tube Replacement
Special Tools
J 39400-A Halogen Leak Detector
Removal Procedure
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging (HP2) (See: Heating and Air Conditioning/Service and
Repair/Procedures/Refrigerant Recovery and Recharging)Refrigerant Recovery and Recharging (Non-HP2) (See: Heating and Air
Conditioning/Service and Repair/Procedures/Refrigerant Recovery and Recharging).
2. Remove the auxiliary A/C evaporator tubes (3) from the condenser tube (2) and the accumulator (5).
3. Loosen the right front wheelhouse to gain access to the clamp behind the wheelhouse.
4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Vehicle Lifting/Service and Repair).
5. Remove the right assist step. Refer to Assist Step Replacement (GMC Denali XL) ()Assist Step Replacement (Chevrolet HP2) ()Assist Step
Replacement (Power BRS) (See: Body and Frame/Auxiliary Step / Running Board/Service and Repair/Assist Step Replacement (Power BRS)
)Assist Step Replacement (Z71) (See: Body and Frame/Auxiliary Step / Running Board/Service and Repair/Assist Step Replacement (Off Road
Package)).
6. Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side (See: Body and Frame/Fender/Front
Fender/Front Fender Liner/Service and Repair).
7. Remove the rear wheelhouse liner. Refer to Rear Wheelhouse Panel Liner Replacement (RPO HP2) (See: Body and Frame/Fender/Rear
Fender/Rear Fender Liner/Service and Repair)Rear Wheelhouse Panel Liner Replacement (RPO X88 Chevrolet, RPO O88 GMC) (See: Body
and Frame/Fender/Rear Fender/Rear Fender Liner/Service and Repair).
8. Remove the retaining nut (2) and the auxiliary A/C evaporator tubes (3) from the auxiliary HVAC module.
