A/C Unit (Rear), Assembly (A/C System Servicing)

A/C System Servicing

A/C Unit (Rear), Assembly


CAUTION!
Before beginning repairs on the electrical-system:
- Obtain the anti-theft radio security code
- Switch the ignition off
- Disconnect the battery Ground (GND) strap
- After reconnecting battery, recode and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Manual and/or Owner's Manual.


NOTE:
- Illustrated assembly from Manual A/C system.
- Except where noted, the basic assembly of Manual A/C and Climatronic heating and A/C units are the same.


NOTE:
- Before proceeding with A/C refrigerant system servicing, always review safety measures.
- Discharge and evacuate A/C refrigerant system with kent More ACR4 or equivalent
- All opened refrigerant system components must be sealed against moisture and dirt contamination by appropriate sealing caps.








1 - Air duct
2 - Rear (2nd) evaporator
- Do not disassemble
3 - Rear evaporator temperature sensor
Climatronic:
- Uses Rear Evaporator Temperature Sensor -G153-
Manual A/C with rear evaporator (where applicable):
- Uses Temperature Sensor II -G18-
4 - A/C Programmer -J127-
- Manual A/C with rear evaporator only (where applicable):
5 - Rear blower fan relay
- Manual A/C with rear evaporator only (where applicable):
6 - Evaporator drain pipe
7 - Grommet
8 - Evaporator water drain valve
9 - Coupling
- Separate coupling using release tool
10 - O-rings
- 13 mm; 1.9 mm
- Qty: 2
11 - O-rings
- 10.8 mm; 1.8 mm
- Qty: 2
12 - Coupling
- Separate coupling using release tool
13 - Rear Evaporator Fan -V20-
- When assembling, lightly coat fitting surfaces with adhesive/sealant AMV 176 000 05 or equivalent
14 - Thread 5/8" - 18 UNF
15 - O-rings
- 7.9 mm; 1.8 mm
- Qty: 2
16 - A/C Refrigerant Shut-off Valve -N43-
17 - O-ring
- Qty : 2
- 14 m; 1.8 mm
- 10.8 mm; 1.8 mm
18 - O-rings
- Qty: 2
- 7.9 mm; 1.8 mm
- 17.2 mm; 1.8 mm
19 - Socket head screw
- Tightening torque: 7 Nm
20 - Expansion valve
- Identical to front evaporator expansion valve
21 - Resistor with overheat fuse
- Manual A/C only