Tools Required
Removal Procedure
- Remove the engine cover. Refer to
Engine Cover Replacement
in Interior Trim.
- Recover the refrigerant
the system. Refer to
Refrigerant Recovery and Recharging
.
- Clean the control A/C high pressure switch area before removing
the snap ring.
- Disconnect the electrical connector from the A/C high pressure
switch (2) in the rear head of the compressor.
- Remove the A/C high pressure switch snap ring using a pair of
90 degree angle pliers or J 5403
.
- Remove the A/C high pressure switch (2) from the compressor.
- Remove the old O-ring seal from the A/C high pressure switch cavity
using the J 9553-01
.
- Inspect the A/C high pressure switch cavity and the O-ring groove
in the rear head for dirt or foreign material. Clean the components as necessary.
Installation Procedure
Important: If you reinstall an existing control switch in the compressor, use a
new O-ring and a new retainer ring. An O-ring and a retainer ring is included
in a new switch kit.
- Lubricate the new O-ring using new 525 viscosity refrigerant oil.
- Install the new O-ring into the groove in the switch cavity.
- Lubricate the control switch housing using new 525 viscosity refrigerant
oil.
- Install the switch (2) into the switch cavity until the
switch bottoms in the cavity.
- Install the A/C high pressure switch snap ring using a pair of
90 degree angle pliers or J 5403
. Ensure that the high point of the curved sides is adjacent
to the switch housing. Ensure that the snap ring is properly seated in the
switch cavity retaining groove.
- Evacuate and recharge the system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fitting(s) of the repaired or reinstalled components
using the J 39400-A
.
- Install the engine cover. Refer to
Engine Cover Replacement
in Interior Trim.