Jeep Wrangler TJ. Manual — part 476
(3) Add fluid if necessary. Repeat the above proce-
dure until the fluid level remains constant after run-
ning the engine.
(4) Raise the front wheels off the ground.
(5) Slowly turn the steering wheel right and left,
lightly contacting the wheel stops at least 20 times.
(6) Check the fluid level add if necessary.
(7) Lower the vehicle, start the engine and turn
the steering wheel slowly from lock to lock.
(8) Stop the engine and check the fluid level and
refill as required.
(9) If the fluid is extremely foamy or milky look-
ing, allow the vehicle to stand a few minutes and
repeat the procedure.
CAUTION: Do not run a vehicle with foamy fluid for
an extended period. This may cause pump damage.
REMOVAL
REMOVAL - 4.0L
(1) Remove serpentine drive belt, (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
(2) Remove pressure and return hoses from pump
and drain the pump.
(3) Loosen the pump bracket bolt at the engine
block.
(4) Remove
3
pump
mounting
bolts
(Fig.
3)
through pulley access holes.
(5) Tilt pump downward and remove from engine.
(6) Remove pulley from pump. (Refer to 19 -
STEERING/PUMP/PULLEY - REMOVAL).
REMOVAL - 2.4L
(1) Remove serpentine drive belt, (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
(2) Remove pressure and return hoses from pump
and drain the pump.
(3) Remove
3
pump
mounting
bolts
(Fig.
4)
through pulley access holes.
(4) Loosen the 3 pump bracket bolts.
(5) Tilt pump downward and remove from engine.
(6) Remove pulley from pump. (Refer to 19 -
STEERING/PUMP/PULLEY - REMOVAL).
INSTALLATION
INSTALLATION - 4.0L
(1) Install pulley on pump. (Refer to 19 - STEER-
ING/PUMP/PULLEY - INSTALLATION).
(2) Install pump on the engine mounting bracket.
(3) Install 3 pump mounting bolts and tighten to
27 N·m (20 ft. lbs.).
Fig. 1 Pump With Integral Reservoir
1 - CAP
2 - FLUID RESERVOIR (TYPICAL)
3 - HIGH-PRESSURE FITTING
4 - DRIVE PULLEY
5 - PUMP BODY
6 - RESERVOIR CLIP
Fig. 2 Power Steering Pump
TJ
PUMP
19 - 21
PUMP (Continued)
(4) Tighten pump bracket bolt to 57 N·m (42 ft.
lbs.).
(5) Install the pressure line on the pump and
tighten to 28 N·m (21 ft. lbs.).
(6) Install return hoses on pump.
(7) Install drive belt, (Refer to 7 - COOLING/AC-
CESSORY
DRIVE/DRIVE
BELTS
-
INSTALLA-
TION).
(8) Add power steering fluid, refer to Power Steer-
ing Pump Initial Operation. (Refer to 19 - STEER-
ING/PUMP - STANDARD PROCEDURE).
INSTALLATION - 2.4L
(1) Install pulley on pump. (Refer to 19 - STEER-
ING/PUMP/PULLEY - INSTALLATION).
(2) Install pump on the engine mounting bracket.
(3) Tighten pump bracket bolts to 47 N·m (35 ft.
lbs.).
(4) Install 3 pump mounting bolts and tighten to
27 N·m (20 ft. lbs.).
(5) Install the pressure line on the pump and
tighten to 28 N·m (21 ft. lbs.).
(6) Install return hoses on pump.
(7) Install drive belt, (Refer to 7 - COOLING/AC-
CESSORY
DRIVE/DRIVE
BELTS
-
INSTALLA-
TION).
(8) Add power steering fluid, refer to Power Steer-
ing Pump Initial Operation. (Refer to 19 - STEER-
ING/PUMP - STANDARD PROCEDURE).
Fig. 3 Pump Mounting – 4.0L
1 - PUMP ASSEMBLY
2 - PUMP BRACKET
Fig. 4 POWER STEERING GEAR & PUMP - 2.4L
1 - REMOTE RESERVOIR
2 - POWER STEERING PUMP
3 - PUMP MOUNT BRACKET
4 - MOUNTING BOLTS (3)
5 - PRESSURE SWITCH LOCATION
6 - PRESSURE OUTLET HOSE (GEAR TO PUMP)
7 - RETURN HOSE (RESERVOIR TO PUMP)
8 - CLAMPS
9 - STEERING GEAR
10 - INLET HOSE (RESERVOIR TO GEAR)
19 - 22
PUMP
TJ
PUMP (Continued)
SPECIFICATIONS
TORQUE CHART
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Power Steering Pump
Bracket to Pump
28
21
—
Power Steering Pump
Bracket to 4.0L Engine
57
42
—
Power Steering Pump
Bracket to 2.4L Engine
28
21
—
Power Steering Pump
Flow Control Valve
75
55
—
Power Steering Pump
Pressure Line
28
21
—
SPECIAL TOOLS
POWER STEERING PUMP
Analyzer Set, Power Steering Flow/Pressure 6815
Adapters, Power Steering Flow/Pressure Tester
6893
Puller C-4333
Installer, Power Steering Pulley C-4063B
TJ
PUMP
19 - 23
PUMP (Continued)
HOSES
DESCRIPTION
DESCRIPTION - PRESSURE LINE
The hose consists of two metal ends and rubber
center section that contains a tuning cable.
DESCRIPTION - RETURN LINE
Power steering return line is a hose which is
clamped at the pump and the gear.
OPERATION
OPERATION - PRESSURE LINE
Power steering pressure line, is used to transfer
high pressure power steering fluid, from the power
steering pump to the power steering gear.
OPERATION - RETURN LINE
Power steering return line, is used to transfer low
pressure power steering fluid, from the power steer-
ing gear to the power steering pump.
FLUID
DESCRIPTION
The recommended fluid for the power steering sys-
tem is Mopar
t ATF +4.
Mopar
t ATF+4, when new is red in color. The
ATF+4 is dyed red so it can be identified from other
fluids used in the vehicle such as engine oil or anti-
freeze. The red color is not permanent and is not an
indicator of fluid condition, As the vehicle is driven,
the ATF+4 will begin to look darker in color and may
eventually
become
brown.
THIS
IS
NORMAL.
ATF+4 also has a unique odor that may change with
age. Consequently, odor and color cannot be used to
indicate the fluid condition or the need for a fluid
change.
STANDARD PROCEDURE - POWER STEERING
FLUID LEVEL CHECKING
WARNING: FLUID LEVEL SHOULD BE CHECKED
WITH THE ENGINE OFF TO PREVENT PERSONAL
INJURY FROM MOVING PARTS.
CAUTION: MOPAR
T
ATF+4 is to be used in the
power steering system. No other power steering or
automatic transmission fluid is to be used in the
system. Damage may result to the power steering
pump and system if any other fluid is used, and do
not overfill.
The power steering fluid level can be viewed on the
dipstick attached to the filler cap. There are two
ranges listed on the dipstick, COLD and HOT. Before
opening power steering system, wipe the reservoir
filler cap free of dirt and debris. Remove the cap and
check the fluid level on its dipstick. When the fluid is
at normal ambient temperature, approximately 21°C
to 27°C (70°F to 80°F), the fluid level should read
between the minimum and maximum area of the cold
range. When the fluid is hot, fluid level is allowed to
read up to the highest end of the HOT range. Only
add fluid when the vehicle is cold.
Use only Mopar
t ATF+4 Do not overfill the
power steering system.
POWER STEERING PRESSURE
SWITCH
DESCRIPTION
A pressure sensing switch (Fig. 5) is included in
the power steering system (mounted on the high-
pressure line). This switch will be used only on vehi-
cles equipped with a 2.4L engine and power steering.
OPERATION
The power steering pressure switch provides an
input to the Powertrain Control Module (PCM). This
input is provided during periods of high pump load
and low engine rpm; such as during parking maneu-
vers. The PCM will then increase the idle speed
through the Idle Air Control (IAC) motor. This is
done to prevent the engine from stalling under the
increased load.
Fig. 5 2.4L POWER STEERING PRESSURE SWITCH
1 - PRESSURE SWITCH
2 - PRESSURE HOSE
3 - POWER STEERING PUMP AND PULLEY ASSEMBLY
19 - 24
PUMP
TJ
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