Removing and installing Audi S8 D2 рестайлинг 2

Removing and installing

1. Remove bumper See «BUMPER»(/audi/s8/d2-2-2002-2003/remont/exterior-body-panels/#bumper) .
2. Separate plug connection -B-.
3. Replace O-ring -A- (7.6 x 1.8 mm). Tightening torque: 5 Nm (44 in. lb)

Scheme 17

Note. To test the A/C system cooling performance, plug the removed switch back into wiring harness. The refrigerant system remains closed due to the Schrader valve. Illustration shows switch on Audi A4.

1. Switches A/C compressor off in the event of pressure drop in refrigerant system (protects compressor when circuit empty).

Switching pressures

1. Compressor off (switch opens) 1.45 up to 1.6 bar pressure
2. Compressor on (switch closes) 2.9 to 3.4 bar pressure

1. Unplug connector -A-.
2. Replace O-ring -B- (8.9 x 1.8 mm). Tightening torque: 5 Nm (44 in. lb)

Note. To test the A/C system cooling performance, with the switch removed, bridge the two terminals in connector -A-. The refrigerant system remains closed due to the Schrader valve.