Blower Motor; Heater-A/C Control; Vacuum Check Valve; Vacuum Reservoir - Jeep Wrangler 1997 Manual

TJ
BLOWER MOTOR
POWERTRAIN
CONTROL
MODULE
POWER
DISTRIBUTION
CENTER
(3)
(4)
REMOVAL AND INSTALLATION (C ntinued)
REMOVAL
(1)
Remove the battery from the battery tray.
Refer to Group 8A - Battery for the procedures.
(2) Remove the three screws securing the Power-
train Control Module (PCM) to the mounting bracket
on the engine compartment side of the dash panel.
Move the PCM away from the blower motor opening
in the dash panel (Fig. 26) .
Fig. 26 Blower Motor Removellnstall
80a4d3O6
Unplug the blower motor wiring connector.
Remove the three blower motor and wheel
assembly mounting screws .
(5) Remove the blower motor and wheel from the
heater-A/C housing .
(6) Remove the blower motor wheel retainer clip
and remove the wheel from the blower motor shaft
INSTALLATION
(1)
Install the blower motor
heater-A/C housing .
(2) Install and tighten the three
mounting screws .
(3) Connect the blower motor wiring connector.
(4) Install the PCM to the mounting bracket with
three screws .
(5) Install the battery in the battery tray. Refer to
Group 8A - Battery for the procedures.
and wheel into the
blower motor
VACUUM CHECK VALVE
(1)
Unplug the vacuum supply line at the intake
manifold.
(2) Note the orientation of the check valve in the
vacuum line for correct installation . The black col-
ored end of the valve should be oriented towards the
intake manifold, and the natural colored end towards
the vacuum reservoir.
(3) Unplug the valve from the vacuum supply line
fittings .
(4) Reverse the removal procedures to install .
VACUUM RESERVOIR
(1)
Remove the battery and battery tray as
described in Group 8A - Battery.
(2) Disconnect the vacuum supply line from the
vacuum reservoir (Fig. 27) .
INNER
FENDER
HEATING AND AIR CONDITIONING
24-27
HEATER-A/C CONTROL
VACUUM
~~CH _ ECK VALVE
Fig. 27 Vacuum Reservoir Removellnstall
80a4d33f
(3)
Remove the one screw securing the reservoir to
the inner fender panel beneath the battery tray.
(4) Remove the vacuum reservoir.
(5) Reverse the removal procedures to install .
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING
STEERING WHEEL, STEERING COLUMN, OR,
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSIPNAL
INJURY.
REMOVAL
(1)
Disconnect and isolate the battery negative
cable.
(2) Remove the instrument panel center bezel and
the glove box . Refer to Group 8E - Instrument Panel
Systems for the procedures.
(3) Reach through the glove box opening and
unplug the two halves of the vacuum harness connec-
tor.
(4) Remove the four screws securing the heater-
A/C control to the instrument panel (Fig. 28) .
(5) Pull the heater-A/C control out from the instru-
ment panel far enough to access the connectors on
the back of the control .
(6) Unplug the three electrical connectors from the
back of the heater-A/C control (Fig. 29) .