Removal (5.7L Engine)
Disconnect negative battery cable. Discharge A/C system,
using approved refrigerant recovery/recycling equipment. Raise and
support vehicle. Remove serpentine drive belt and tensioner. Remove
compressor and condenser hose bolt. Disconnect compressor and
condenser hose assembly. Discard seal. Disconnect transmission oil
cooler pipes from engine bracket. Disconnect compressor electrical
connector. Remove compressor bolts. Remove compressor.
Installation
1) To install, reverse removal procedure. If compressor is
being replaced, drain refrigerant oil from old compressor. Measure
amount of oil from old compressor. If measured amount is less than one
ounce, add 2 ounces to new compressor.
2) If more than one ounce is drained from old compressor, add
same amount to new compressor. Clean all fittings with mineral-base
refrigerant oil. Lightly coat all seals with mineral-base refrigerant
oil before assembling. Evacuate and charge A/C system.
A/C-HEATER CONTROL PANEL Removal & Installation
1) Disconnect negative battery cable. Remove center
instrument panel trim plate. Remove A/C-heater control panel retaining
bolts.
2) Pull A/C-heater control panel out from dash sufficiently
to disconnect wiring harness connectors, temperature control cable and
vacuum harness. Remove A/C-heater control panel. To install, reverse
removal procedure.
BLOWER MOTOR Removal & Installation
Remove right side instrument panel insulator. Disconnect
blower motor harness connector. Remove blower motor retaining bolts.
Remove blower motor. To install, reverse removal procedure.
BLOWER MOTOR RESISTOR Removal & Installation
Disconnect negative battery cable. Remove right instrument
panel insulator. Pull carpet away from A/C-heater case assembly.
Disconnect blower motor resistor electrical connector. Remove mounting
bolt from blower motor resistor. Remove blower motor resistor. To
install, reverse removal procedure.
BLOWER MOTOR SWITCH Removal & Installation
Remove A/C-heater control panel. See A/C-HEATER CONTROL PANEL
. Pull off blower motor switch knob. Remove blower motor switch
retaining screw. Remove blower motor switch from A/C-heater control
panel. To install, reverse removal procedure.
CONDENSER Removal & Installation
1) Disconnect negative battery cable. Discharge A/C system,
using approved refrigerant recovery/recycling equipment. Remove air
intake duct and air cleaner assembly. Remove upper radiator shroud
assembly.