A/C Refrigerant System Controls
A/C refrigerant system controlsLocations
A/C refrigerant high pressure switch (arrow)
switches Rad. cool fan to higher speed if refrigerant pressure becomes too high
Opens: 12.0 bar (174.0 psi)
Closes: 14.5 bar (210.2 psi)
Thread size: 1/8" - 27 NPT
Torque: 25.0 Nm
A/C refrigerant low pressure switch (arrow)
switches A/C compressor clutch OFF when refrigerant pressure is too low
Opens: 2.0 bar ±0.3 bar (29.0 psi ±4.3 psi)
Closes: 3.0 bar ±0.3 bar (43.5 psi ±4.3 psi)
Thread size: 3/8" - UNF
Torque: 20.0 Nm
Ambient temperature switch and A/C thermostat (behind left rear 'D' pillar cover)
A - Ambient temperature switch
switches A/C compressor OFF when outside temperature is under 38° F
B - A/C thermostat
switches A/C compressor OFF when evaporator temperature reaches predetermined value
A/C thermostat capillary tube (A)
- insert through hole in upper evaporator housing
approx. 50mm (2.0 in)