Heating And Air Conditioning Specifications; Vacuum Supply - Jeep 200 Cherokee Service Manual

XJ
REMOVAL AND INSTALLATION (Continued)
Fig. 57 Vacuum Supply
1 – VACUUM CHECK VALVE
2 – TO ENGINE INTAKE MANIFOLD
3 – TO HEATER-A/C CONTROLS
4 – TO VACUUM RESERVOIR
5 – TO SPEED CONTROL SERVO
6 – VACUUM SUPPLY LINE
VACUUM RESERVOIR
(1) Remove the passenger side bumper end cap
from the front bumper. Refer to Group 23 - Body for
the procedures.
(2) Unplug the vacuum supply line connector from
the vacuum reservoir (Fig. 58).
Fig. 58 Vacuum Reservoir Remove/Install
1 – VACUUM LINE
2 – RESERVOIR SCREWS
3 – VACUUM RESERVOIR
HEATING AND AIR CONDITIONING
(3) Remove the two screws that secure the vacuum
reservoir to the front bumper.
(4) Remove the vacuum reservoir from behind the
front bumper.
(5) Reverse the removal procedures to install.
Tighten the mounting screws to 2.2 N·m (20 in. lbs.).
SPECIFICATIONS
A/C APPLICATION TABLE
Item Description
Vehicle XJ Cherokee/
Laredo
System R134a w/orifice
tube
Compressor Sanden
SD7H15
Freeze–up Low Pressure
Control cycling cutout
switch
Low psi Control opens < 25 psi
- resets > 43
psi
High psi Control switch - opens
> 450-490 psi -
resets <
270-330 psi
Control Head manual type
Mode Door vacuum
Blend-Air Door electric
Fresh/Recirc vacuum
door
Blower Motor hardwired to
control head
Cooling Fan viscous for
cooling, single
speed electric
for A/C
Clutch
Control relay
Draw 2 - 3.7 amps @
12V
Gap 0.016" - 0.031
DRB III
Reads TPS, RPM, A/C
switch test
Actuators clutch and fan
relay
24 - 47
Notes
SP-20 PAG oil
accumulator
mounted
discharge line
resistor block
PCM
0.5V @ 70° F