GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
LaCrosse
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
Special Tools
J 39400-A
Halogen Leak Detector
Removal Procedure
Remove the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
for the 3.8L engine or
Air Cleaner Assembly Replacement
for the 5.3L (LS4) engine.
Disconnect the electrical connector from the A/C refrigerant pressure sensor.
Remove the refrigerant pressure sensor from the liquid line.
Installation Procedure
Install the new O-ring seal. Refer to
O-Ring Replacement
.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the refrigerant pressure sensor to the liquid line and tighten to
4.7 N·m (41 lb in)
.
Connect the electrical connector to the A/C refrigerant pressure sensor.
Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
for the 3.8L engine or
Air Cleaner Assembly Replacement
for the 5.3L (LS4) engine.
Leak test the fittings of the component using
J 39400-A
Halogen Leak Detector .