A/C Clutch Relay, Removing/ Installing

On vehicles up to VIN 44F 028 228
- replace A/C clutch relay with latest version

CAUTION

Install relays manufactured after the 40th calendar week of 1984

Relays are identified three ways:

A/C CLUTCH RELAY, IDENTIFICATION NUMBERS:

A/C clutch relay, Identification numbers

1 - 40 4 40 = calendar week 4 = 1984 2 - 1 40 4 1 = first day of calendar week 40 = calendar week 4 = 1984 3 - 40 84 40 = calendar week 84 = 1984

RELAY:

- remove old relay from auxiliary relay panel
- install new relay in old position
Vehicle type Relay number

Audi 5000S 4
Audi 5000S turbo 4
1986 5000S turbo 12 to VIN 44 GA 053 401 or
VIN 44 GN 057 194

REFRIGERANT LOW PRESSURE SWITCH, REWIRING:

Refrigerant low pressure switch, rewiring
- remove water tray from air plenum
- remove both wiring connectors from refrigerant low pressure switch
- connect these wires together and tape up in wiring harness

CAUTION

Protect wires from water spray and possible contact with body

- connect brown connectors of wiring harness Part No. 443 971 531 (from Parts Dept.) to terminals of refrigerant low pressure switch
- place wiring harness in air plenum and secure with cable binder at (C)

- loosen bracket of A/C refrigerant high pressure line

WIRING HARNESS:

- lift high pressure line and route wiring harness in rubber sleeve (arrow)
- route wiring harness through grommet above master cylinder and along A/C refrigerant high pressure hose (A)
- disconnect green wire connectors to A/C compressor clutch below radiator fan motor (E)
- connect wires of wiring harness Part No. 443 971 531 to disconnected connectors of A/C compressor clutch

- secure wiring hamess with cable binders (C)