Cadillac Escalade (models before 2005)
1. Drain the coolant from the engine cooling system.
2. Remove the glove box.
3. Disconnect all wiring connectors.
4. Remove the central air duct.
5. Remove forward lateral finishings of salon.
6. Remove the cover from the fan motor.
7. Remove the fan motor.
8. Remove the steering column.
9. Turn the instrument panel.
10. Remove the expansion tank of the cooling system.
11. Remove the heater block hoses.
12. (Some models, from the inside) While holding the heater block, unscrew the heater block fixing screw. Tightening torque 11 Nm.
13. (Engine Side) Loosen the four screws securing the heater block. Tightening torque 2 Nm.
14. (Engine Side) Loosen the two nuts securing the heater block. Tightening torque 3 Nm.
15. Remove the heater block.
16. Turn away seven screws of fastening of a cover of the block of a heater.
17. Remove cover.
18. Remove the heater core from the holder.
19. Installation is carried out in the reverse order.
20. Check connected system fittings for refrigerant leakage.
Chevrolet Tahoe, Cadillac Escalade (models since 2005)
1. Remove the air conditioning unit.
2. Turn away screws of fastening of a protective cover of a radiator of a heater. Tightening torque 2 Nm.
3. Remove the protective cover of the heater radiator (1) from the air conditioning unit (2).
Visteon | Delphi |
4. Remove the gasket (1) from heater radiator pipes (2).
5. Remove the heater core (1) from the air conditioning unit (2).
6. Installation is carried out in the reverse order.