Toyota CH-R Service Manual: Disassembly

DISASSEMBLY

PROCEDURE

1. PRECAUTION

NOTICE:

Make sure to perform initialization after replacing the air conditioning radiator damper servo sub-assembly. If initialization is not performed, the air conditioner unit assembly will not perform properly as the air conditioning amplifier assembly will not be able to recognize the position of the air conditioning radiator damper sub-assembly.

2. REMOVE NO. 2 AIR DUCT

(a) Remove the screw.

(b) Disengage the claws to remove the No. 2 air duct.

3. REMOVE AIR CONDITIONING DUCT SUB-ASSEMBLY

(a) Disengage the claws to remove the air conditioning duct sub-assembly.

4. REMOVE NO. 3 INSTRUMENT PANEL WIRE

(a) Disconnect the 2 connectors.

(b) Disengage the clamps to remove the No. 3 instrument panel wire.

5. REMOVE BLOWER ASSEMBLY

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6. REMOVE NO. 2 HEATER COVER

(a) Remove the screw.

(b) Disengage the claw and guide to remove the No. 2 heater cover.

7. REMOVE QUICK HEATER ASSEMBLY

(a) Disengage the guide to remove the quick heater assembly as shown in the illustration.

Remove in this Direction

8. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Disconnect the connector.

Remove in this Direction

(b) Remove the screw.

(c) Disengage the guide to remove the air conditioning amplifier assembly as shown in the illustration.

9. REMOVE AIR CONDITIONING HARNESS ASSEMBLY

(a) Disconnect each connector.

(b) Disengage clamps to remove the air conditioning harness assembly.

10. REMOVE DRAIN COOLER HOSE

(a) Remove the drain cooler hose.

11. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

(a) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly.

12. REMOVE HEATER PIPE GROMMET

(a) Remove the heater pipe grommet.

13. REMOVE HEATER CLAMP

(a) Disengage the claws to remove the heater clamp.

14. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY

Remove in this Direction

(a) Remove the heater radiator unit sub-assembly as shown in the illustration.

NOTICE:

Prepare a drain pan or cloth in case the coolant leaks.

15. REMOVE COOLER EXPANSION VALVE

(a) Remove the grommet.

(b) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and cooler expansion valve.

(c) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.

16. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

(a) Remove the 2 screws.

(b) Disengage the claws to remove the upper heater case with No. 1 cooler evaporator sub-assembly from the lower heater case.

(c) Disengage the clamp.

(d) Remove the No. 1 cooler evaporator sub-assembly with the No. 1 cooler thermistor from the upper heater case.

17. REMOVE NO. 1 COOLER THERMISTOR

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    Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ...

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