Pressure Switches
HIGH PRESSURE SWITCH - F 118Switch identification: red housing with bonded wire connections
- remove electrical connector and unscrew high pressure switch
^ refrigerant system remains closed (Schrader valve under switch)
- install new O-ring seal -A- (7.6 mm x 1.8 mm), lubricate with refrigerant oil and ensure proper seating in groove
- torque switch to 5 Nm (44 in.lb)
HIGH PRESSURE SWITCH - F 23
Switch identification: green housing with bonded wire connections
- remove electrical connector and unscrew high pressure switch
^ refrigerant system remains closed (Schrader valve under switch)
- install new 0-ring seal -A- (7.6 mm x 1 mm), lubricate with refrigerant oil and ensure proper seating in groove
- torque switch to 5 Nm (44 in.lb)
LOW PRESSURE SWITCH
Switch located on passenger side (interior) between heater housing and firewall
- remove passenger's side lower instrument panel cover
- remove Engine Control Module (ECM) -A- in direction of -arrow-, see Fuel and Ignition
- remove electrical connector from low pressure switch
- using a 17 mm open end wrench approx 80 mm (3.1 in.) long, remove low pressure switch
^ refrigerant system remains closed (Schrader valve under switch)
Note
Illustration shows low pressure switch with heater housing removed.
- install new 0-ring seal -A- (8.9 mm x 1.8 mm), lubricate with refrigerant oil and ensure proper seating in groove
- torque switch to 5 Nm (44 in.lb)
- reinstall ECM and passenger's side lower instrument panel cover