Withdrawal
Cadillac Escalade (models before 2005)
1. Pump out the coolant from the air conditioning system.
2. Remove the side trim of the luggage compartment.
3. Disconnect the hoses from the evaporator (5).
4. Disconnect all wiring connectors.
5. Remove the evaporator radiator for the additional air conditioner.
- A) Loosen the screws (2) fixing the radiator to the body.
- b) Remove fan (3) from the additional air conditioning unit.
- V) Detach the clips (6) fixing the body of the additional air conditioning unit.
- G) Separate the case of additional climatic installation.
6. Remove sealing washers.
7. Remove the evaporator radiator for the additional air conditioner.
8. Installation is carried out in the reverse order.
Tahoe/Yukon
1. Remove the extension unit (4) air conditioning unit.
2. Remove the air mixing actuator (1).
3. Remove the cover (1) heater radiator from the additional air conditioning unit.
4. Remove a heater radiator from the additional block of climatic installation.
5. Remove the lower part of the case of the block of climatic installation.
6. Remove the additional evaporator radiator from the bottom of the air conditioner housing.
7. Installation is carried out in the reverse order.
Suburban/Yukon
1. Remove the extension unit (3) air conditioning unit.
2. Remove the air mixing actuator (1).
3. Remove the pin from the back of the air conditioner unit, located between the inlet of the heater radiator and the outlet pipe (4).
4. Carefully disconnect the heater core tube gasket from the housing and remove the radiator tube holder.
5. Turn away screws of fastening of the bottom part of the case of the block of climatic installation. Tightening torque 1.6 Nm.
6. Remove the bottom part of the case of the additional block of climatic installation.
7. Remove a clip of fastening of a radiator of a heater.
8. Remove a heater radiator from the additional block of climatic installation.
9. Carefully remove the gasket located between the additional air conditioning unit and the air duct.
10. Disconnect the clips and carefully separate the front and back of the housing.
11. Remove the secondary evaporator heatsink from the back of the case.
12. Check gaskets and seals for damage. If necessary, replace damaged elements.
Installation
13. Installation is carried out in the reverse order.