Opel Frontera UBS. Manual - part 1861

AIR CONDITIONING  1B – 45

Removal

1. Disconnect the battery ground cable.

2. Discharge and recover refrigerant.

•

Refer to Refrigerant Recovery in this section.

3. Remove evaporator assembly.

•

Refer to Evaporator Assembly in this section.

4. Remove pollen filter.

5. Pull the sensor from the evaporator assembly.

6. Remove attaching screw.

7. Remove upper case.

8. Remove lower case.

•

Slit the case parting face with a knife since the
lining is separated when removing the
evaporator.

•

Lift to remove the upper case.

9. Remove evaporator core.

10. Remove expansion valve.

•

Tear off the insulator carefully.

•

Use a back-up wrench when disconnecting all
refrigerant pipes.

Installation

To install, follow the removal steps in the reverse
order, noting the following points:

1. The sensor is installed on the core with the clip.

2. The sensor must not interfere with the

evaporator core.

3. When installing the new evaporator core, install

the thermo sensor (2) to the evaporator core (1)
specified position with the clip in the illustration.

874RS006

874RY00005

874RY00006

SENSOR TO BE LOCATED
AT 7TH LINE FROM LEFT

57.5mm(2.26 in.)

2

1

Lower case

Upper case

874RX021

1B – 46 AIR CONDITIONING

4. O-rings cannot be reused, Always replace with

new ones.

5. Be sure to apply new compressor oil to the O-

rings when connecting lines.

6. Be sure to install the sensor and the insulator on

the place where they were before.

7. To install a new evaporator core, add 50cc (1.7

fl. oz.) of new compressor oil to the new core.

8. Tighten the refrigerant lines to the specified

torque. Refer to Main Data and Specifications for
Torque Specifications in this section.

9. Apply an adhesive to the parting face of the

lining when assembling the evaporator
assembly.

AIR CONDITIONING  1B – 47

ELECTRONIC THERMOSTAT

Legend

(1)

Thermo Sensor

(2)

Evaporator Core

(3)

Evaporator

(4)

Thermostat Unit

Removal

1. Disconnect the battery ground cable.

2. Discharge and recover refrigerant.

•

Refer to Refrigerant Recovery in this section.

3. Remove evaporator assembly.

•

Refer to Evaporator Assembly removal
procedure in this section.

4. Remove electronic thermostat.

•

Pull the sensor from the evaporator assembly.

Installation

To install, follow the removal steps in the reverse
order, noting the following points.

1. Install the thermostat sensor to the evaporator

core specified position with the clip.

2. The sensor is installed on the core with the clip

and it must not interfere with the core.

1

2

3

4

874RX022

SENSOR TO BE LOCATED
AT 7TH LINE FROM LEFT

57.5mm(2.26 in.)

2

1

Lower case

Upper case

874RX021

1B – 48 AIR CONDITIONING

1

2

3

Removal Steps

1. Control lever assembly
2. A/C switch
3. Illumination bulb

Installation Steps

To install, follow the removal steps in the
reverse order.

A/C SWITCH AND ILLUMINATION BULB

REMOVAL

Preparation:

Disconnect the battery ground cable 

1. Control Lever Assembly

Refer to Section 1A “CONTROL LEVER ASSEMBLY”
removal procedure. 

2. A/C Switch

Raise up the catch portion of the switch and remove
the switch while pushing it toward the outside. 

3. Illumination Bulb

Turn the illumination bulb counterclockwise to
remove.

Catch portion

End of switch

A/C switch

INSTALLATION

To install, follow the removal steps in the reverse order.