2003 DODGE RAM Service Repair Manual

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Page 1825 of 2895

DODGE RAM 2003 Service Repair Manual INSTALLATION - OUTER TIE ROD END
NOTE: Do not twist the boot at anytime during
removal or installation.
(1) Thread the outer tie rod end onto the inner tie
rod, to its original position (Fig. 2).
(2)

Page 1826 of 2895

DODGE RAM 2003 Service Repair Manual LINKAGE - LINK/COIL
TABLE OF CONTENTS
page page
LINKAGE - LINK/COIL
DESCRIPTION.........................33
STANDARD PROCEDURE - LUBRICATION....34
SPECIFICATIONS
TORQUE CHART......................34
SP

Page 1827 of 2895

DODGE RAM 2003 Service Repair Manual STANDARD PROCEDURE - LUBRICATION
Periodic lubrication of the steering system compo-
nents is required. Refer to Lubrication And Mainte-
nance for the recommended maintenance schedule.
The following co

Page 1828 of 2895

DODGE RAM 2003 Service Repair Manual SPECIAL TOOLS
STEERING LINKAGE
DAMPER
REMOVAL
(1) Remove the steering damper mounting nuts
and bolts.
(2) Slide the damper from the isolation bushing.
(3) Remove the damper.
INSTALLATION
(1) Install t

Page 1829 of 2895

DODGE RAM 2003 Service Repair Manual INSTALLATION
(1) Align reference marks and install pitman arm.
(2) Install the lock washer and retaining nut on
the pitman shaft and tighten nut to 251 N´m (185 ft.
lbs.).
(3) Install the drag link t

Page 1830 of 2895

DODGE RAM 2003 Service Repair Manual INSTALLATION
(1) Install tie rod to the left steering knuckle and
drag link. Install the nuts and tighten to 108 N´m
(80 ft. lbs.).
(2) Remove the supports and lower the vehicle to
the surface. Cente

Page 1831 of 2895

DODGE RAM 2003 Service Repair Manual PUMP
TABLE OF CONTENTS
page page
PUMP
DESCRIPTION.........................38
OPERATION...........................38
DIAGNOSIS AND TESTING - PUMP LEAKAGE . 39
STANDARD PROCEDURE
STANDARD PROCEDURE - PO

PUMP
TABLE OF CONTENTS
page page
PUMP
DESCRIPTION.........................38
OPERATION...........................38
DIAGNOSIS AND TESTING - PUMP LEAKAGE . 39
STANDARD PROCEDURE
STANDARD PROCEDURE - POWER
STEERING PUMP - INITIAL OPERATION....39
STANDARD PROCEDURE - FLUSHING
POWER STEERING SYSTEM............39
REMOVAL
REMOVAL - GAS......................40
REMOVAL - DIESEL...................40
INSTALLATION
INSTALLATION - GAS..................41
INSTALLATION - DIESEL................41
SPECIFICATIONS
TORQUE CHART......................41
FLUID
DESCRIPTION.........................42
STANDARD PROCEDURE - POWER
STEERING FLUID LEVEL CHECKING......42
FLUID COOLER
REMOVAL.............................42
INSTALLATION.........................42
HOSES - I.F.S.
REMOVAL
REMOVAL - RETURN HOSE - GEAR TO
COOLER............................43
REMOVAL - PRESSURE HOSE...........43
REMOVAL - RETURN HOSE - RESERVOIR
TO COOLER.........................43INSTALLATION
INSTALLATION - RETURN HOSE - GEAR TO
COOLER............................43
INSTALLATION - PRESSURE HOSE.......43
INSTALLATION - RETURN HOSE -
RESERVOIR TO COOLER...............43
HOSES - LINK/COIL
REMOVAL
REMOVAL - RETURN HOSE - GEAR TO
COOLER............................43
REMOVAL - PRESSURE HOSE...........44
REMOVAL - RETURN HOSE - RESERVOIR
TO COOLER.........................44
INSTALLATION
INSTALLATION - RETURN HOSE - GEAR TO
COOLER............................44
INSTALLATION - PRESSURE HOSE.......44
INSTALLATION - RETURN HOSE -
RESERVOIR TO COOLER...............44
POWER STEERING PRESSURE SWITCH
DESCRIPTION.........................45
OPERATION...........................45
REMOVAL - 3.7L, 4.7L & 5.7L..............45
INSTALLATION - 3.7L, 4.7L & 5.7L..........45
PULLEY
REMOVAL.............................45
INSTALLATION.........................46
RESERVOIR
REMOVAL.............................46
INSTALLATION.........................46
PUMP
DESCRIPTION
CAUTION: MOPARTATF+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 pump is connected to the steering gear via the
pressure hose and the return hose. The pump shaft
has a pressed-on pulley that is belt driven by the
crankshaft pulley.All vehicles are equipped with a power steering
fluid cooler.
NOTE: Power steering pumps are not interchange-
able with pumps installed on other vehicles.
OPERATION
Hydraulic pressure is provided for the power steer-
ing gear by the belt driven power steering pump (Fig.
1). The power steering pumps are constant flow rate
and displacement, vane-type pumps.
19 - 38 PUMPDR

Page 1832 of 2895

DODGE RAM 2003 Service Repair Manual DIAGNOSIS AND TESTING - PUMP LEAKAGE
The pump is serviced as an assembly and should
not be disassembled. The plastic pump reservoir and
the reservoir o-rings can be replaced.
Check for leaks in the fo

DIAGNOSIS AND TESTING - PUMP LEAKAGE
The pump is serviced as an assembly and should
not be disassembled. The plastic pump reservoir and
the reservoir o-rings can be replaced.
Check for leaks in the following areas:
²Pump shaft seal behind the pulley
²Pump to reservoir O-ring
²Reservoir cap
²Pressure and return lines
²Flow control valve fitting
STANDARD PROCEDURE
STANDARD PROCEDURE - POWER STEERING
PUMP - INITIAL OPERATION
WARNING: THE FLUID LEVEL SHOULD BE
CHECKED WITH ENGINE OFF TO PREVENT INJURY
FROM MOVING COMPONENTS.
CAUTION: MOPARTATF+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.
Wipe filler cap clean, then check the fluid level.
The dipstick should indicateCOLDwhen the fluid is
at normal temperature.(1) Turn steering wheel all the way to the left
(2) Fill the pump fluid reservoir to the proper level
and let the fluid settle for at least two (2) minutes.
(3) Raise the front wheels off the ground.
(4) Slowly turn the steering wheel lock-to-lock 20
times with the engine off while checking the fluid
level.
NOTE: For vehicles with long return lines or oil
coolers turn wheel 40 times.
(5) Start the engine. With the engine idling main-
tain the fluid level.
(6) Lower the front wheels and let the engine idle
for two minutes.
(7) Turn the steering wheel in both direction and
verify power assist and quiet operation of the pump.
If the fluid is extremely foamy or milky looking,
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.
STANDARD PROCEDURE - FLUSHING POWER
STEERING SYSTEM
Flushing is required when the power steering/hy-
draulic booster system fluid has become contami-
nated. Contaminated fluid in the steering/booster
system can cause seal deterioration and affect steer-
ing gear/booster spool valve operation.
(1) Raise the front end of the vehicle off the
ground until the wheels are free to turn.
(2) Remove the return line from the pump.
NOTE: If vehicle is equipped with a hydraulic
booster remove both return lines from the pump.
(3) Plug the return line port/ports at the pump.
(4) Position the return line/lines into a large con-
tainer to catch the fluid.
(5) While an assistant is filling the pump reservoir
start the engine.
(6) With the engine running at idle turn the wheel
back and forth.
NOTE: Do not contact or hold the wheel against the
steering stops.
(7) Run a quart of fluid through the system then
stop the engine and install the return line/lines.
(8) Fill the system with fluid and perform Steering
Pump Initial Operation, (Refer to 19 - STEERING/
PUMP - STANDARD PROCEDURE).
(9) Start the engine and run it for fifteen minutes
then stop the engine.
Fig. 1 POWER STEERING PUMP
1 - 3.7L & 4.7L (6 GROOVE)
PHENOLIC (PLASTIC TYPE) PULLEY
1 - 5.7L,5.9L & 8.0L (7 GROOVE)
PHENOLIC (PLASTIC TYPE) PULLEY
1 - 5.9L DIESEL (8 GROOVE)
STEEL PULLEY
2 - PUMP ASSEMBLY
3 - RESERVOIR
4 - CAP
DRPUMP 19 - 39
PUMP (Continued)

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