2001 CHRYSLER VOYAGER Service Manual

checking oil bolt pattern engine ABS washer fluid towing capacity

Page 2921 of 4284

CHRYSLER VOYAGER 2001 Service Manual (3) Remove 2 pedal position sensor retaining nuts
(Fig. 4).
(4) Remove pedal position sensor from vehicle.
REMOVAL - PEDAL POSITION SENSOR (RHD)
(1) Disconnect negative battery cable.
(2) Disconnect p

(3) Remove 2 pedal position sensor retaining nuts
(Fig. 4).
(4) Remove pedal position sensor from vehicle.
REMOVAL - PEDAL POSITION SENSOR (RHD)
(1) Disconnect negative battery cable.
(2) Disconnect pedal position sensor electrical con-
nector (Fig. 4).
(3) Remove 2 pedal position sensor retaining nuts
(Fig. 4).
(4) Remove pedal position sensor from vehicle.
INSTALLATION - PEDAL POSITION SENSOR
(LHD)
(1) Position pedal position sensor in vehicle.
(2) Install pedal position sensor retaining nuts
(Fig. 4).
(3) Connect pedal position sensor electrical connec-
tor (Fig. 4).
(4) Connect negative battery cable.
INSTALLATION - PEDAL POSITION SENSOR
(RHD)
(1) Position pedal position sensor in vehicle.
(2) Install 2 pedal position sensor retaining nuts
(Fig. 4).
(3) Connect pedal position sensor electrical connec-
tor (Fig. 4).
(4) Connect negative battery cable.
BOOST PRESSURE SENSOR
DESCRIPTION
The boost pressure sensor is mounted to the top of
the intake manifold. The sensor allows the ECM to
monitor air pressure within the intake manifold. The
boost pressure sensor is also used as an intake air
temperature sensor (Fig. 5).
OPERATION
When the intake manifold pressure is low (high
vacuum) sensor voltage output is 0.25-1.8 volts at the
ECM. When the intake manifold pressure is high due
to turbo boost, sensor voltage output is 2.0-4.7 volts.
The sensor receives a 5-volts reference from the
ECM. Sensor ground is also provides by the ECM.
The ECM uses boost pressure combined with intake
air temerature to determine the volume of air enter-
ing the engine.
DIAGNOSIS AND TESTING - BOOST PRESSURE
SENSOR
If the boost pressure sensor fails, the ECM records
a DTC into memory and continues to operate theengine in one of the three limp-in modes. When the
ECM is operating in this mode, a loss of power will
be present, as if the turbocharger was not operating.
The best method for diagnosing faults with the boost
pressure sensor is with the DRB IIItscan tool. Refer
to the Diesel Powertrain Diagnostic Manual for more
information.
Refer to On-Board Diagnostics in Emissions Con-
trol System for a list of Diagnostic Trouble Codes
(DTC's) for certain fuel system components.
INTAKE AIR TEMPERATURE
SENSOR
DESCRIPTION
The boost pressure sensor/intake air temperature
sensor is located in the top of the intake manifold
(Fig. 6). The intake air temperature sensor is used to
measure the intake air temperature. The intake air
temperture sensor is a dual purpose sensor. It is also
used as a boost pressure sensor.
OPERATION
The intake air temperature sensor is a negative
temperature coefficient (NTC) thermistor (resistance
varies inversly with temperature). This means at
cold air temperature its resistance is high, sothe volt-
age signal will be high. As intake air temperature
increases, sensor resistance decreases and the signal
voltage will be low. This allows the sensor to provide
an analog voltage signal (0.2-4.8 volts) to the ECM.
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove engine cover retaining bolts and cover-
(Refer to 9 - ENGINE COVER - REMOVAL).
Fig. 5 BOOST PRESSURE SENSOR/INTAKE AIR
TEMPERATURE SENSOR
RGFUEL INJECTION14a-13
ACCELERATOR PEDAL POSITION SENSOR (Continued)

Page 2922 of 4284

CHRYSLER VOYAGER 2001 Service Manual (3) Disconnect intake air temperature electrical
connector.
(4) Remove intake air temperature sensor retain-
ing screws and sensor (Fig. 6).
INSTALLATION
(1) Install intake air temperature sensor and

Page 2923 of 4284

CHRYSLER VOYAGER 2001 Service Manual OPERATION
The ECM uses the mass air flow (MAF) sensor to
measure air density. The MAF sensor contains a
ceramic element. A signal voltage is provided to the
element. As engine speed increases, airflow

Page 2924 of 4284

Page 2925 of 4284

CHRYSLER VOYAGER 2001 Service Manual STEERING
TABLE OF CONTENTS
page page
STEERING
DESCRIPTION............................1
OPERATION.............................1
DIAGNOSIS AND TESTING..................1
POWER STEERING SYSTEM FLOW AND
P

STEERING
TABLE OF CONTENTS
page page
STEERING
DESCRIPTION............................1
OPERATION.............................1
DIAGNOSIS AND TESTING..................1
POWER STEERING SYSTEM FLOW AND
PRESSURE TEST........................1STEERING SYSTEM DIAGNOSIS CHARTS....3
SPECIFICATIONS.........................9
SPECIAL TOOLS..........................9
COLUMN...............................10
GEAR.................................17
PUMP.................................24
STEERING
DESCRIPTION - POWER STEERING SYSTEM
This vehicle comes with power steering as stan-
dard equipment and it is the only steering system
available. The power steering system consists of
these major components:
²POWER STEERING PUMP
²POWER STEERING GEAR
²POWER STEERING FLUID RESERVOIR
²POWER STEERING FLUID SUPPLY HOSE
²POWER STEERING FLUID PRESSURE HOSE
²POWER STEERING FLUID RETURN HOSE
²POWER STEERING FLUID COOLER
For information on the first two components, refer
to their respective sections within this service man-
ual group. Information on all other components can
be found in POWER STEERING PUMP.
OPERATION - POWER STEERING SYSTEM
Turning of the steering wheel is converted into linear
(side-to-side) travel through the meshing of the helical
pinion teeth with the rack teeth within the steering
gear. The lateral travel pushes and pulls the tie rods to
change the direction of the vehicle's front wheels.
Power assist steering is provided by a belt driven
rotary type pump. It directs fluid through power
steering fluid hoses to the power steering gear where
it is used to assist the driver's turning effort.
Manual steering control of the vehicle can be main-
tained if power steering assist is lost. However, under
this condition, steering effort is significantly increased.
DIAGNOSIS AND TESTING - POWER STEERING
SYSTEM FLOW AND PRESSURE TEST
ALL ENGINES
The following procedure is to be used to test the
operation of the power steering system on this vehi-
cle. This test will provide the flow rate of the power
steering pump along with the maximum relief pres-sure. This test is to be performed any time a power
steering system problem is present to determine if
the power steering pump or power steering gear is
not functioning properly. The following flow and pres-
sure test is performed using the Power Steering Ana-
lyzer Kit, Special Tool 6815 (Fig. 1), hoses, Special
Tools 6905 and 6959, and fittings from adapter kit,
Special Tool 6893.
Assemble hoses on Power Steering Analyzer, Spe-
cial Tool 6815, as shown. Install Pressure Hose, Spe-
cial Tool 6905 (in 6893 kit), in the inlet fitting on
Power Steering Analyzer. Install Pressure Hose, Spe-
cial Tool 6713 (in 6815 kit) on Pressure Hose, Special
Tool 6905. Install Pressure Hose, Special Tool 6959,
in the outlet fitting on Power Steering Analyzer.
Install the following adapters from Adapter Set,
Special Tool 6893 (Fig. 2), on the analyzer hose ends:
Install Adapter Fitting, Special Tool 6844, on Pres-
sure Hose, Special Tool 6713. Install Adapter Fitting,
Special Tool 6826, on Pressure Hose, Special Tool
6959.
Fig. 1 Power Steering Analyzer With Hoses Installed
1 - OUTLET
2 - SPECIAL TOOL 6815
3 - INLET
RSSTEERING19-1

Page 2926 of 4284

CHRYSLER VOYAGER 2001 Service Manual CAUTION: To prevent personal injury, safety gog-
gles should be worn at all times when performing
any test procedures on the power steering pump or
power steering gear.
The following procedure is to b

Page 2927 of 4284

CHRYSLER VOYAGER 2001 Service Manual NOTE: Power steering pump maximum relief pres-
sure is 9,653 to 10,342 kPa (1,400 to 1,500 psi.).
(9) Close analyzer valve fully three times and
record highest pressure indicated each time. All three

NOTE: Power steering pump maximum relief pres-
sure is 9,653 to 10,342 kPa (1,400 to 1,500 psi.).
(9) Close analyzer valve fully three times and
record highest pressure indicated each time. All three
readings must be above specifications and within 345
kPa (50 psi) of each other.
²If power steering pump pressures are above
specifications, but not within 345 kPa (50 psi) of each
other, replace pump.
²If power steering pump pressures are within 345
kPa (50 psi) of each other, but are below specifica-
tions, replace pump.
CAUTION: Do not force the pump to operate against
the stops for more than 2 to 4 seconds at a time
because, pump damage will result.
(10) Completely open the valve on the Power
Steering Analyzer. Turn the steering wheel to theextreme left until the stop in the steering gear is
met, then turn the steering wheel to the right until
the right stop is met. Record the highest indicated
pressure at each position. Compare the recorded
readings to the specifications. If the highest output
pressures are not the same against either stop, the
steering gear is leaking internally and must be
replaced.
DIAGNOSIS AND TESTING - STEERING
SYSTEM DIAGNOSIS CHARTS
NOTE: There are three diagnosis charts following
that cover POWER STEERING NOISE, STEERING
WHEEL FEEL, and POWER STEERING FLUID.
POWER STEERING NOISE
CONDITION POSSIBLE CAUSES CORRECTION
OBJECTIONABLE HISS
OR WHISTLE*1. Damaged or mispositioned
steering column shaft/coupling dash
panel seal.1. Reposition or replace steering
column shaft/coupling dash panel seal.
2. Noisy valve in power steering
gear.2. Replace power steering gear.
3. Mis-routed power steering hose. 3. Check routing of power steering
hoses. Ensure hoses do not come in
unwanted contact with other
components and objects.
RATTLE OR CLUNK 1. Power steering gear loose on front
suspension crossmember.1. Inspect power steering gear
mounting bolts. Replace as necessary.
Tighten to the specified torque.
2. Front suspension crossmember
mounting fasteners loose at frame.2. Tighten the front suspension
crossmember mounting fasteners to the
specified torque.
3. Loose tie rod (outer or inner). 3. Check tie rod pivot points for wear.
Replace worn/loose parts as required.
4. Loose lower control arm mounting
bolts at front suspension
crossmember.4. Tighten control arm mounting bolts to
the specified torques.
5. Lower control arm pivot bushing
worn.5. Replace lower control arm pivot
bushing.
6. Loose strut assembly mounting
fasteners at tower.6. Tighten strut assembly fasteners to
the specified torque.
7. Power steering fluid pressure
hose touching the body of the
vehicle.7. Adjust hose to proper position by
loosening, repositioning, and tightening
fitting to specified torque. Do not bend
tubing.
RSSTEERING19-3
STEERING (Continued)

Page 2928 of 4284

CHRYSLER VOYAGER 2001 Service Manual CONDITION POSSIBLE CAUSES CORRECTION
8. Internal power steering gear
noise.8. Replace power steering gear.
9. Damaged front suspension
crossmember.9. Replace front suspension
crossmember.
10. Stabiliz

CONDITION POSSIBLE CAUSES CORRECTION
8. Internal power steering gear
noise.8. Replace power steering gear.
9. Damaged front suspension
crossmember.9. Replace front suspension
crossmember.
10. Stabilizer bar link ball joints
worn.10. Replace stabilizer bar link.
POPPING NOISE 1. Worn outer tie rod. 1. Replace outer tie rod.
CHIRP OR SQUEAL
(POWER STEERING
PUMP)1. Loose power steering pump drive
belt.1. Check and adjust power steering
pump drive belt to specifications or
replace automatic tensioner where
applicable. Replace belt if worn or
glazed.
WHINE, GROWL, MOAN
OR GROAN (POWER
STEERING PUMP)**1. Low fluid level. 1. Fill power steering fluid reservoir to
proper level and check for leaks (make
sure all air is bled from the system
fluid).
2. Power steering hose touching
vehicle body or frame.2. Adjust hose to proper position by
loosening, repositioning, and tightening
fitting to specified torque. Do not bend
tubing. Replace hose if damaged.
3. Extreme wear of power steering
pump internal components.3. Replace power steering pump and
flush system as necessary.
SUCKING AIR SOUND 1. Loose clamp on power steering
fluid return hose.1. Tighten or replace hose clamp.
2. Missing O-Ring on power steering
hose connection.2. Inspect connection and replace
O-Ring as required.
3. Low power steering fluid level. 3. Fill power steering fluid reservoir to
proper level and check for leaks.
4. Air leak between power steering
fluid reservoir and power steering
pump.4. Replace power steering pump (with
reservoir).
SQUEAK OR RUBBING
SOUND1. Steering column shroud rubbing. 1. Realign shrouds as necessary.
2. Steering column shaft rubbing. 2. Move or realign item rubbing shaft.
3. Clockspring noisy. 3. Remove clockspring. Reinstall wheel.
If noise is gone, replace clockspring.
4. Steering gear internally noisy. 4. Replace steering gear.
SCRUBBING OR
KNOCKING NOISE.1. Incorrect tire or wheel size. 1. Replace incorrect size tire or wheel
with size used as original equipment.
2. Interference between steering
gear and other vehicle components.2. Check for bent or misaligned
components and correct as necessary.
3. Steering gear internal stops worn
excessively allowing tires to be
steered excessively far.3. Replace steering gear.
19 - 4 STEERINGRS
STEERING (Continued)

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