
INSTALLATION
(1) Position the MAF sensor to air cleaner housing
and install the retaining screws (Fig. 24).
(2) Connect the air intake hose to the MAF sensor
and tighten clamp.
(3) connect the MAF wiring harness connector.
(4) Connect negative battery cable.
O2 SENSOR
DESCRIPTION
The wide band oxygen sensor measures the oxygen
content in the exhaust gas to monitor EGR. The sen-
sor is mounted in the exhaust pipe at a 30 degree
angle to prevent the collection of moisture between
the sensor housing and element. The sensor is
located close to the turbocharger for a quicker
response time.
The oxygen sensor has five wires (heater power
and ground, reference voltage, and 2 wires for a
pump cell). The oxygen sensor connects to a six wire
harness connector. A non serviceable trimming resis-
tor is built into the sensor connector. The resistance
is dependent on the over all length and type of sen-
sor.
OPERATION
The O2 sensor is a planar zirconium dioxide (ZrO2)
dual cell limiting current probe with a integralheater. The term wide ban, refers to the ability of the
O2 sensor to generate a clear signal over a wide air-
fuel ratio measuring range. As a dual sensor, it incor-
porates a second O2 chamber (oxygen pump cell),
which requires a separate voltage supply.
The sensor element combines a sensor cell (8) and
an oxygen pump cell (9). Both cells are made of zir-
conium-dioxide (ZrO2) and are coated with porous
platinum electrodes. The sensor cell operates just
like a typical O2 sensor. The oxygen pump cell trans-
port oxygen ions when voltage is applied.
A gas sample chamber (5) is sandwiched between
the oxygen pump cell and the sensor cell. A pump
electrode and sensor cell electrode are located in the
sample chamber. A sample passage (10) connects the
sample chamber to the surrounding exhaust gas. A
sensor cell electrode is located in the reference air
channel (6), which connects to the outside air (Fig.
25).
Fig. 24 MANIFOLD AIR FLOW SENSOR
1 - WIRING HARNESS
2 - AIR INTAKE HOSE
3 - CLAMP
4 - MAF SENSOR
5 - AIR CLEANER HOUSING
VAFUEL INJECTION 14 - 45

Radial-ply tires must always be used in sets of
four. Under no circumstances should they be used on
the front only. They may be mixed with temporary
spare tires when necessary. A maximum speed of 50
MPH is recommended while a temporary spare is in
use.
Radial-ply tires have the same load-carrying capac-
ity as other types of tires of the same size. They also
use the same recommended inflation pressures.
The use of oversized tires, either in the front or
rear of the vehicle, can cause vehicle drive train fail-
ure. This could also cause inaccurate wheel speed
signals when the vehicle is equipped with Anti-Lock
Brakes.
The use of tires from different manufactures on the
same vehicle is NOT recommended. The proper tire
pressure should be maintained on all four tires.
DESCRIPTION - TIRE PRESSURE FOR HIGH
SPEEDS
Where speed limits allow the vehicle to be driven
at high speeds, correct tire inflation pressure is very
important. For speeds up to and including 120 km/h
(75 mph), tires must be inflated to the pressures
shown on the tire placard. For continuous speeds in
excess of 120 km/h (75 mph), tires must be inflated
to the maximum pressure specified on the tire side-
wall.
Vehicles loaded to the maximum capacity should
not be driven at continuous speeds above 75 mph
(120 km/h).
For emergency vehicles that are driven at speeds
over 90 mph (144 km/h), special high speed tires
must be used. Consult tire manufacturer for correct
inflation pressure recommendations.
DESCRIPTION - REPLACEMENT TIRES
The original equipment tires provide a proper bal-
ance of many characteristics such as:
²Ride
²Noise
²Handling
²Durability
²Tread life
²Traction
²Rolling resistance
²Speed capability
It is recommended that tires equivalent to the orig-
inal equipment tires be used when replacement is
needed.
Failure to use equivalent replacement tires may
adversely affect the safety and handling of the vehi-
cle.The use of oversize tires may cause interference
with vehicle components. Under extremes of suspen-
sion and steering travel, interference with vehicle
components may cause tire damage.
WARNING: FAILURE TO EQUIP THE VEHICLE WITH
TIRES HAVING ADEQUATE SPEED CAPABILITY
CAN RESULT IN SUDDEN TIRE FAILURE.
DESCRIPTION - TIRE INFLATION PRESSURES
Under inflation will cause rapid shoulder wear, tire
flexing, and possible tire failure (Fig. 12).
Over inflation will cause rapid center wear and
loss of the tire's ability to cushion shocks (Fig. 13).
Improper inflation can cause:
²Uneven wear patterns
²Reduced tread life
²Reduced fuel economy
²Unsatisfactory ride
Fig. 12 Under Inflation Wear
1 - THIN TIRE THREAD AREAS
Fig. 13 Over Inflation Wear
1 - THIN TIRE THREAD AREA
22 - 8 TIRES/WHEELSVA

CAUTION: Use only the specified O-rings as they
are made of a special material for the R-134a sys-
tem. The use of any other O-rings may allow the
connection to leak intermittently during vehicle
operation.
(4) Lubricate the male fitting and O-rings, and the
inside of the female fitting with clean R-134a refrig-
erant oil. Use only refrigerant oil of the type recom-
mended for the compressor in the vehicle.
(5) Fit the female half of the coupler fitting over
the male half of the fitting.
(6) Push together firmly on the two halves of the
coupler fitting until the garter spring in the cage on
the male half of the fitting snaps over the flanged
end on the female half of the fitting.
(7) Ensure that the spring-lock coupler is fully
engaged by trying to separate the two coupler halves.
This is done by pulling the refrigerant lines on either
side of the coupler away from each other.
(8) Reinstall the secondary retaining clip over the
spring-lock coupler cage.
(9) Evacuate the refrigerant system (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING -
STANDARD PROCEDURE - REFRIGERANT SYS-
TEM EVACUATE).
(10) Charge the refrigerant system (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING -
STANDARD PROCEDURE - REFRIGERANT SYS-
TEM CHARGE).
UNDERBODY LINES
REMOVAL
WARNING: Refer to the applicable warnings and
cautions for this system before performing the fol-
lowing operation (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING - WARNINGS) and (Refer
to 24 - HEATING & AIR CONDITIONING/PLUMBING -
CAUTIONS). Failure to follow the warnings and cau-
tions could result in possible personal injury or
death.
NOTE: The underbody refrigerant lines for the
optional rear A/C system are serviced in five sec-
tions. Two sections are connected the A/C compres-
sor. Two sections of the underbody suction line
(low-side) are connected together by a tapping
block with an O-ring seal. The underbody A/C dis-
charge line uses a spring-lock type refrigerant line
coupler with an O-ring seal.
DISCHARGE LINE
(1) Remove the cover from the rear A/C evaporator
housing (Refer to 24 - HEATING & AIR CONDI-TIONING/DISTRIBUTION - REAR/A/C EVAPORA-
TOR COVER-REAR - REMOVAL).
(2) Recover the refrigerant from the rear refriger-
ant system (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - STANDARD PROCEDURE -
REFRIGERANT RECOVERY).
(3) Raise and support the vehicle.
(4) Using the proper A/C line disconnect tool, dis-
connect the underbody discharge line spring-lock cou-
pler from the compressor section of the underbody
discharge line and remove and discard the O-ring
seal (Refer to 24 - HEATING & AIR CONDITION-
ING/PLUMBING/REFRIGERANT LINE COUPLER -
REMOVAL) (Fig. 39).
(5) Disconnect the underbody discharge line from
the rear A/C discharge line and remove and discard
the O-ring seal.
(6) Install plug in, or tape over all of the opened
discharge line fittings.
(7) Disengage the fuel lines from the retaining clip
located near the transmission and position the fuel
lines out of the way.
(8) Remove the screws and brackets that secure
the discharge line to the underneath of the vehicle.
(9) Support transmission with a suitable lifting
device and remove the rear transmission crossmem-
ber (Refer to 13 - FRAME & BUMPERS/FRAME/
REAR CROSSMEMBER-TRANSMISSION -
REMOVAL).
(10) Remove the underbody discharge line from
the vehicle. Push the discharge line forward and over
the transmission, then pull it rearward to remove.
(11) If necessary, remove the bolt that secures the
compressor section of the underbody discharge line to
the A/C compressor and remove and discard the
O-ring seal. Make sure to plug in, or tape over the
opened discharge line fitting and compressor port.
24 - 100 PLUMBINGVA

INDEX
ABS INDICATOR.......................8J-9ACCELERATOR PEDAL POSITION SENSOR. . . 14-32
ACCESSORY SWITCH BEZEL............23-56
ADR INDICATOR.....................8J-10
AIR CLEANER ELEMENT................9-21
AIR CLEANER HOUSING................9-21
AIR FILTER ....................24-45, 24-58
AIR OUTLET TEMPERATURE SENSOR....24-16
AIR OUTLETS.......................24-45
AIRBAG CONTROL MODULE.............8O-8
AIRBAG INDICATOR...................8J-11
ALB CONTROLLER....................5-16
ALB LEVER..........................5-16
AMBIENT TEMPERATURE INDICATOR.....8J-11
AMBIENT TEMPERATURE SENSOR.......24-17
ANTENNA BODY & CABLE..............8A-1
ARMREST..........................23-79
ASH RECEIVER......................23-57
ASH RECEIVER / CIGAR LIGHTER LAMP
UNIT..............................8L-30
ASSIST HANDLE.....................23-71
AUDIO..............................8A-1
AUTOMATIC TRANSMISSION NAG1 -
SERVICE INFORMATION................21-3
A - PILLAR TRIM.....................23-70
A / C CLUTCH RELAY.................24-24
A / C COMPRESSOR CLUTCH COIL.......24-12
A / C COMPRESSOR CLUTCH............24-8
A / C COMPRESSOR..................24-66
A / C CONDENSER COVER.............24-52
A / C CONDENSER FAN RELAY..........24-26
A / C CONDENSER HOUSING...........24-52
A / C CONDENSER....................24-69
A / C CONTROL MODULE..............24-28
A / C DISCHARGE LINE................24-71
A / C EVAPORATOR COVER.............24-55
A / C EVAPORATOR HOUSING...........24-55
A / C EVAPORATOR...................24-72
A / C EXPANSION VALVE...............24-73
A / C HEATER CONTROL...............24-12
A / C HIGH PRESSURE SWITCH.........24-30
A / C LOW PRESSURE SWITCH.........24-32
A / C PRESSURE TRANSDUCER.........24-14
BACKLITE - BULKHEAD TRIM PANEL.....23-84
BACKUP LAMP BULB..................8L-5
BASECOAT / CLEARCOAT FINISH........23-77
BATTERY CABLES....................8F-14
BATTERY HOLDDOWN.................8F-13
BATTERY SYSTEM.....................8F-1
BATTERY TRAY......................8F-16
BATTERY............................8F-6
BEARINGS - DIFFERENTIAL CASE.........3-38
BEARING / SEAL - AXLE HUB............3-28
BEARING / SEAL - AXLE................3-24
BELT TENSIONERS.....................7-5
BLOWER MOTOR RELAY...............24-33
BLOWER MOTOR RESISTOR............24-17
BLOWER MOTOR SWITCH........24-19, 24-35
BLOWER MOTOR...............24-47, 24-58
BODY...............................23-1
BOOST PRESSURE SENSOR............14-33
BRAKE INDICATOR...................8J-12
BRAKE LAMP SWITCH.................8L-6
BRAKE LINES.........................5-8
BRAKE PADS / SHOES...................5-8
BRAKE WEAR INDICATOR..............8J-13
BRAKES - ABS........................5-30
BRAKES - BASE........................5-2
BRAKE / PARK LAMP BULB.............8L-7
BULKHEAD TRIM PANEL...............23-72
BUMPERS...........................13-1
BUSHINGS............................2-3
B - PILLAR TRIM.....................23-71
CABIN HEATER.....................24-104
CABLE TENSIONER....................5-24
CABLE..............................8P-2
CABLES.............................5-24
CAMSHAFT POSITION SENSOR..........14-33
CAMSHAFT(S)........................9-28
CARGO LAMP SWITCH................8L-31
CARGO / DOME LAMP BULB............8L-30
CARGO / DOME LAMP UNIT............8L-31
CARPETS AND FLOOR MATS...........23-72
CATALYTIC CONVERTER
................11-3
CENTER BEARING
......................3-9
CENTER HIGH MOUNTED STOP LAMP BULB. . . 8L-8CENTER HIGH MOUNTED STOP LAMP UN.....8L-8
CENTER ROLLER ARM
................23-36CENTER TRACK......................23-37
CENTRAL TIMER MODULE..............8E-1
CHARGE AIR COOLER AND PLUMBING....11-4
CHARGING INDICATOR................8J-14
CHARGING SYSTEM..................8F-17
CHECK VALVE.......................8R-11
CHECK.......................23-13, 23-23
CHIME / BUZZER......................8B-1
CIGAR LIGHTER OUTLET............8W-97-1
CIRCUIT BREAKER.................8W-97-2
CLEARANCE LAMP BULB...............8L-9
CLEARANCE LAMP UNIT................8L-9
CLOCK.............................8J-14
CLOCKSPRING......................8O-12
CLUSTER BEZEL.....................23-55
COLUMN............................19-4
CONNECTOR.......................Intro.-9
CONNECTOR/GROUND/SPLICE
LOCATION........................8W-91-1
CONTROLLER ANTILOCK BRAKE.........8E-3
COOLANT LEVEL SENSOR...............7-13
COOLANT LOW INDICATOR.............8J-15
COOLANT............................7-9
COOLING.............................7-1
COWL TRIM........................23-73
CRANKCASE VENTILATION BREATHER......25-2
CRANKCASE VENTILATION HEATER.......25-1
CRANKSHAFT OIL SEAL - FRONT.........9-42
CRANKSHAFT OIL SEAL - REAR..........9-41
CRANKSHAFT POSITION SENSOR........14-35
CRANKSHAFT........................9-39
CUP HOLDER........................23-57
CYLINDER HEAD COVER(S).............9-33
CYLINDER HEAD......................9-22
DAYTIME RUNNING LAMP RELAY.......8L-10
DEFROSTER DUCTS..................24-47
DIFFERENTIAL........................3-31
DIODE............................Intro.-9
DISC BRAKE CALIPER ADAPTER.........5-14
DISC BRAKE CALIPERS.................5-11
DOME LAMP / INTRUSION SENSOR
BULB..............................8L-33
DOME LAMP / INTRUSION SENSOR......8L-33
DOME / READING LAMP BULB..........8L-32
DOME / READING LAMP UNIT..........8L-32
DOOR GLASS............23-15, 23-30, 23-46
DOOR JAMB SWITCH.................8L-34
DOOR LOCK MOTOR...................8N-1
DOOR OPENING SEALS................23-90
DOOR........................23-14, 23-23
DRIVE BELTS..........................7-5
DRIVER AIRBAG.....................8O-16
DRIVER HEATED SEAT SWITCH.........8G-11
D - PILLAR TRIM.....................23-73
ELECTRIC COOLANT PUMP.............24-75
ELECTRICAL.........................5-30
ELECTROHYDRAULIC UNIT............21-105
ENGINE BLOCK HEATER................7-14
ENGINE BLOCK.......................9-37
ENGINE CONTROL MODULE.............8E-3
ENGINE COOLANT TEMP SENSOR........7-15
ENGINE COOLANT THERMOSTAT.........7-16
ENGINE CRADLE CROSSMEMBER........13-8
ENGINE TEMPERATURE GAUGE.........8J-15
ENGINE..............................9-2
ENTRY / EXIT LAMP BULB.............8L-34
ENTRY / EXIT LAMP UNIT..............8L-35
ESP INDICATOR......................8J-16
EVAPORATOR TEMPERATURE
SENSOR......................24-19, 24-37
EXHAUST GAS RECIRCULATION..........25-4
EXHAUST MANIFOLD..................9-68
EXHAUST PIPE.......................11-3
EXHAUST SYSTEM....................11-1
EXHAUST TUBE.....................24-105
EXTERIOR HANDLE.......23-16, 23-31, 23-35
FAN DRIVE VISCOUS CLUTCH...........7-17
FASTENER IDENTIFICATION...........Intro.-3
FASTENER USAGE...................Intro.-6
FINESSE SANDING / BUFFING & POLISH . . 23-78
FLOOR DISTRIBUTION DUCTS..........24-47
FLUID AND FILTER..................21-131
FLUID CAPACITIES.....................0-5
FLUID COOLER TUBE
.................19-13
FLUID FILL / CHECK LOCATIONS
..........0-5
FLUID RESERVOIR
....................5-15
FLUID TYPES
..........................0-1
FLYWHEEL
...........................9-43FOG LAMP BULB.....................8L-10
FOG LAMP RELAY....................8L-11
FOG LAMP SWITCH...................8L-12
FRAME..............................13-3
FREEWHEELING CLUTCH.............21-135
FRONT BUMPER - STEPS...............13-2
FRONT DOOR INNER BELT
WEATHERSTRIP.....................23-90
FRONT DOOR OUTER BELT
WEATHERSTRIP.....................23-90
FRONT FASCIA.......................13-2
FRONT LAMP UNIT...................8L-13
FRONT POSITION LAMP BULB..........8L-14
FRONT SEAT BELT & RETRACTOR.......8O-20
FRONT SEAT BELT BUCKLE............8O-23
FRONT TURN / PARK / SIDE MARKER
LAMP BULB.........................8L-15
FRONT WHEEL SPEED SENSOR..........5-31
FRONT...............................2-1
FUEL DELIVERY.......................14-6
FUEL DOSING PUMP.................24-106
FUEL DRAIN TUBES..................14-10
FUEL FILL DOOR.....................23-48
FUEL FILTER CLOGGED INDICATOR......8J-17
FUEL FILTER........................14-10
FUEL GAUGE........................8J-17
FUEL INJECTOR.......................14-35
FUEL LEVEL SENDING UNIT / SENSOR....14-28
FUEL LINE.........................24-107
FUEL LINES.........................14-11
FUEL PRESSURE SENSOR.............14-39
FUEL PRESSURE SOLENOID............14-40
FUEL PUMP MODULE.................14-18
FUEL PUMP.........................14-13
FUEL QUANTITY CONTROL VALVE.......14-21
FUEL RAIL PRESSURE SENSOR.........14-12
FUEL RAIL..........................14-22
FUEL SYSTEM........................14-1
FUEL TANK.........................14-23
FUEL TEMPERATURE SENSOR..........14-42
FUSE BLOCK #1...................8W-97-2
FUSE BLOCK #2...................8W-97-3
GAP AND FLUSH.....................23-91
GEAR SELECTOR INDICATOR...........8J-18
GEAR...............................19-7
GEARSHIFT CABLE..................21-138
GEAR - PINION / RING.................3-41
GENERATOR DECOUPLER PULLEY.......8F-19
GENERATOR........................8F-18
GLOVE BOX.........................23-58
GLOW PLUG RELAY....................8I-1
GLOW PLUG..........................8I-1
GRILLE............................23-48
HCU (HYDRAULIC CONTROL UNIT).......5-36
HEADLAMP LEVELING MOTOR..........8L-16
HEADLAMP LEVELING SWITCH.........8L-17
HEADLINER.........................23-73
HEADREST..........................23-79
HEATED GLASS.......................8G-1
HEATED MIRRORS....................8G-9
HEATED SEAT ELEMENT...............8G-12
HEATED SEAT RELAY.................8G-12
HEATED SEAT SENSOR................8G-13
HEATED SEATS ......................8G-10
HEATER CORE.......................24-76
HEATER UNIT......................24-110
HEATING & AIR CONDITIONING..........24-1
HIGH BEAM HEADLAMP BULB..........8L-18
HIGH BEAM INDICATOR...............8J-19
HINGE..................23-17, 23-32, 23-51
HOISTING............................0-5
HOLDING CLUTCH B1................21-143
HOLDING CLUTCH B2................21-148
HOLDING CLUTCHES.................21-141
HOOD.............................23-51
HORN SWITCH.......................8H-1
HORN..............................8H-1
HOSES.............................19-14
HUB / BEARING........................2-4
HVAC HOUSING......................24-48
HYDRAULIC / MECHANICAL..............5-5
IGNITION CONTROL....................8I-1
INLET HOSE........................24-111
INPUT CLUTCH K1
...................21-92
INPUT CLUTCH K2
...................21-97
INPUT CLUTCH K3
..................21-102
INPUT CLUTCHES
....................21-90
INPUT SPEED SENSORS
..............21-153
VAINDEX 1
Description Group-Page Description Group-Page Description Group-Page