lock DODGE RAM 1999 Service Repair Manual
[x] Cancel search | Manufacturer: DODGE, Model Year: 1999, Model line: RAM, Model: DODGE RAM 1999Pages: 1691, PDF Size: 40.34 MB
Page 1249 of 1691
After pulley installation, run the engine until warm. See
PUMP PULLEY under REMOVAL & INSTALLATION. If drive belt chirps, move
pulley outward approximately .020" (0.5 mm). If noise increases, press\
pulley inward .040" (1.0 mm). Ensure pulley does not contact mounting
bolts.
THRUST BEARING PRELOAD
NOTE: Manufacturer recommends removing steering gear from vehicle
before performing any adjustments.
1) Remove steering gear from vehicle. See STEERING GEAR under
REMOVAL & INSTALLATION. Ensure steering gear is empty of hydraulic
fluid. Rotate steering from stop-to-stop several times to drain fluid.
Loosen lock nut on adjuster plug. See Fig. 3. Using spanner wrench,
rotate adjuster plug clockwise until plug is seated in housing. Torque
will be approximately 20 ft. lbs. (27 N.m).
Fig. 3: Measuring Thrust Bearing Preload
Courtesy of Chrysler Corp.
2) Place reference mark on steering gear housing adjacent to
one hole in adjuster plug. Measure counterclockwise about 1/2" (13 mm)\
Page 1250 of 1691
from reference mark and place a second reference mark on steering gear
housing.
3) Rotate adjuster plug counterclockwise until hole in
adjuster plug aligns with second mark on steering gear housing.
Tighten lock nut on adjuster plug to 80 ft. lbs. (108 N.m). Ensure
adjuster plug does not move while tightening lock nut.
OVER-CENTER PRELOAD
CAUTION: Thrust bearing preload must be adjusted before adjusting
over-center preload.
1) Loosen lock nut on sector shaft adjuster screw. See Fig. 4
. Rotate stub shaft and count turns required to go from stop-to-stop.
Turn stub shaft back 1/2 number of turns to center steering gear.
Fig. 4: Adjusting Over-Center Preload
Courtesy of Chrysler Corp.
2) Rotate sector shaft adjuster screw counterclockwise until
fully extended, then turn clockwise one full turn. Attach INCH-lb.
torque wrench to end of stub shaft. Position torque wrench handle in a
vertical position. Rotate stub shaft 45 degrees from vertical position
in each direction, and record highest reading. See Fig. 4.
3) Turn adjuster in until torque required to turn stub shaft
is 6-10 INCH lbs. (0.7-1.1 N.m) more than reading in step 2). Hold
adjuster screw, and tighten lock nut to 20 ft. lbs. (27 N.m).
Page 1251 of 1691
REMOVAL & INSTALLATION
CAUTION: When battery is disconnected, vehicle computer and memory
systems may lose memory data. Driveability problems may exist
until computer systems have completed a relearn cycle. See
the COMPUTER RELEARN PROCEDURES article in GENERAL
INFORMATION before disconnecting battery.
POWER STEERING PUMP (GASOLINE)
WARNING: DO NOT attempt to remove power steering pump without removing
power steering pump belt. Personal injury or pulley damage
could result.
Removal
1) Disconnect and isolate negative battery cable. To remove
serpentine belt, rotate tensioner clockwise and hold in place, slide
belt from tensioner pulley. Place drain pan under pump. Disconnect and
cap hoses.
2) Remove bracket-to-engine block bolts. Remove pump, pulley
and mounting bracket as an assembly. To allow access to pump screws,
remove pump pulley. See PUMP PULLEY. Remove bracket-to-pump screws.
Installation
To install pump, reverse removal procedure. Fill and bleed
system. See HYDRAULIC SYSTEM BLEEDING under LUBRICATION.
VACUUM/POWER STEERING PUMP (DIESEL)
Removal
1) Disconnect negative battery cable. Place drip pan under
vacuum/power steering pump. Disconnect and cap power brake booster
hose at vacuum pump and hydraulic lines at power steering pump.
Disconnect oil pressure sending unit electrical connector. Remove
sending unit from engine block and plug hole in block. Disconnect and
cap oil feed line from bottom of vacuum pump.
2) Remove vacuum/power steering pump-to-engine block nuts and
bolts, and mounting bracket. Remove upper pump bolt and remove pump.
Drain fluid from steering pump reservoir. Remove gaskets from mounting
surfaces.
CAUTION: DO NOT damage internal vacuum pump oil seal when separating
steering pump from vacuum pump. See Fig. 5.
3) Remove steering pump-to-vacuum pump bracket bolts.
Carefully slide steering pump from bracket. Remove 2 pump body
spacers. See Fig. 5.
NOTE: Steering pump housing and spacers must mate completely with
vacuum pump bracket.
Installation
1) Install 2 pump body spacers and rotate drive gear until
steering pump and vacuum pump drive splines align. See Fig. 5.
Carefully install steering pump on vacuum pump bracket to prevent
damaging oil seal.
Page 1252 of 1691
Fig. 5: Installing Power Steering Pump (Diesel)
Courtesy of Chrysler Corp.
2) Install 3 vacuum pump bracket-to-steering pump nuts and
tighten to 18 ft. lbs. (24 N.m). Using silicone sealer if needed,
position NEW gaskets on mounting surfaces.
3) Ensuring steering pump stud is inserted into block
bracket, align and install pump assembly. Tighten pump assembly-to-
engine block bolts to 57 ft. lbs. (77 N.m). Install steering pump-to-
bracket nut. Tighten nut to 18 ft. lbs. (24 N.m).
4) Remove plug from engine block and install oil sending
unit. Tighten sending unit to 60 INCH lbs. (7 N.m) and install
electrical connector. Install oil feed line to vacuum pump and tighten
to 60 INCH lbs. (7 N.m). To complete installation, reverse removal
procedure. Fill and bleed system. See HYDRAULIC SYSTEM BLEEDING under
LUBRICATION. Start engine. Ensure brakes are operating properly.
PUMP PULLEY
CAUTION: Examine exposed end of rotor drive shaft before removal. If
it is corroded, clean surface with crocus cloth to prevent
damage to shaft bushing during removal.
Removal & Installation (Gasoline)
Remove power steering pump from vehicle if necessary. See
POWER STEERING PUMP (GASOLINE). Using Puller (C-4333), remove pump
pulley. See Fig. 6. Replace pulley if bent, cracked or loose. Using
Installer (C-4063-B), press pulley until flush with end of shaft. If
drive belt chirps after engine starts, see POWER STEERING PUMP PULLEY
Page 1255 of 1691
Removal
1) Place wheels in straight-ahead position. Place drain pan
under steering gear assembly. Disconnect and cap pressure and return
hoses from steering gear. Disconnect steering column shaft coupling
from steering gear stub shaft.
2) Raise and support vehicle. Disconnect steering linkage
(center link) from pitman arm. See Fig. 9. Disconnect stabilizer bar
(if necessary). Place reference mark on pitman arm and sector shaft.
Remove nut and pitman arm from sector shaft. Remove steering gear-to-
frame bolts. Remove steering gear.
Installation
1) Install steering gear with bolts finger tight. Center
steering gear and align stub shaft with steering column. Install
steering column shaft coupling bolt and tighten to specification. See
TORQUE SPECIFICATIONS.
CAUTION: Stake pitman arm nut against pitman arm to ensure proper
retention.
2) Reposition steering gear to eliminate binding, and tighten
bolts to specification. Install pitman arm on sector shaft with
reference marks aligned. Install lock washer and nut. Tighten nut to
specification.
3) To install remaining components, reverse removal
procedure. Fill pump reservoir. Bleed air from hydraulic system. See
HYDRAULIC SYSTEM BLEEDING under LUBRICATION.
SECTOR SHAFT OIL SEAL
Removal
1) Raise and support vehicle. Place wheels in straight-ahead
position. Disconnect steering linkage (center link) from pitman arm.
Disconnect stabilizer bar (if necessary).
2) Place reference mark on pitman arm and sector shaft.
Remove nut and pitman arm from sector shaft. Place drain pan under
steering gear. Remove retaining ring and steel washer. See Fig. 1.
CAUTION: DO NOT hold steering wheel in left-turn position for more
than 2 seconds.
3) Start engine and momentarily hold steering wheel in
extreme left-turn position. When pressure develops, this should force
upper oil seal, steel washer and lower oil seal from steering gear
housing. Stop engine and remove seals.
Installation
1) Ensure seal bore of steering gear is free of burrs and
sector shaft is free of pitting or roughness. Lubricate replacement
seals and steel washers with power steering fluid.
2) Wrap sector shaft with plastic tape or .005" (.13 mm)
thick shim stock. Install upper oil seal (single lip seal) and steel
washer first. Oil seal must be installed only deep enough to allow for
remaining oil seal, steel washer and retaining ring.
CAUTION: DO NOT install upper oil seal against inner bore surface of
steering gear housing. Oil seals must be installed so each
oil seal is separately seated in shaft bore.
3) Install lower oil seal (double lip seal) and steel washer\
.
Oil seal must be installed only deep enough to allow for steel washer
and retaining ring. Remove tape or shim stock and install retaining
ring.
Page 1256 of 1691
CAUTION: Stake pitman arm nut against pitman arm to ensure proper
retention.
4) Install pitman arm on sector shaft with reference marks
aligned. Install lock washer and nut. Tighten nut to specification.
See TORQUE SPECIFICATIONS.
5) To install remaining components, reverse removal
procedure. Fill pump reservoir. Allow engine to idle for at least 3
minutes. DO NOT turn wheels during this time. Rotate wheels both
directions and check for leaks. Refill pump reservoir.
CENTER LINK
Removal & Installation
Separate tie rods, idler arm, steering and drag link (if
equipped) from center link. Remove center link. To install, reverse
removal procedure. Tighten nuts to specification.
Fig. 9: Exploded View Of Steering Linkage
Courtesy of Chrysler Corp.
DRAG LINK
Removal & Installation
Remove cotter pins and drag link nuts. Using Separator (C-
4150), separate drag link from steering knuckle or center link and
Page 1257 of 1691
pitman arm. Remove drag link. To install, reverse removal procedure.
Tighten nuts to specification. See TORQUE SPECIFICATIONS. Install
cotter pins.
IDLER ARM
Removal & Installation
Remove cotter pin and nut from idler arm. Separate idler arm
from center link. Remove idler arm bolts. Remove idler arm. To
install, reverse removal procedure. Tighten bolts to specification.
See TORQUE SPECIFICATIONS. Install NEW cotter pin.
PITMAN ARM
Removal & Installation
1) Remove cotter pin and nut at pitman arm-to-center link or
drag link. Separate pitman arm from center link or drag link. Mark
location of pitman arm on steering gear shaft. Remove pitman arm-to-
steering gear shaft nut. Separate pitman arm from steering gear.
CAUTION: Stake pitman arm nut against steering gear shaft to ensure
proper retention.
2) To install, reverse removal procedure. Ensure reference
marks are aligned. Tighten bolts and nuts to specification. Install
NEW cotter pin.
TIE ROD END
Removal
Remove cotter pin and nut from tie rod end. Using Tie Rod End
Puller (C-3894-A), remove tie rod end from steering knuckle or center
link. Loosen lock nut or clamp bolt. Remove tie rod end. Note number
of turns required for removal.
NOTE: Use Tie Rod End Puller (C-3894-A) to prevent tie rod end seal\
damage.
Installation
1) To install, reverse removal procedure. Ensure tie rod end
is installed at same location. Position clamp sleeve with bolt located
on bottom. Clamp opening should be aligned with slot in sleeve.
2) Tighten the tie rod end nut to specification. Install a
NEW cotter pin. Check and adjust toe-in. See appropriate
SPECIFICATIONS & PROCEDURES article in WHEEL ALIGNMENT. Tighten clamp
bolt to specification. See TORQUE SPECIFICATIONS.
OVERHAUL
POWER STEERING PUMP OVERHAUL
Only fluid reservoirs, caps, pulleys, "O" rings, seals and
flow control valve are replaceable on pump. See Figs. 7 and 8.
Internal components are non-serviceable. If internal components fail,
replace pump. Replace reservoir, or "O" ring and seals if damaged.
NOTE: If expansion plug is deformed or dislodged, DO NOT remove it.
Replace pump housing.
STEERING GEAR OVERHAUL
Page 1258 of 1691
![DODGE RAM 1999 Service Repair Manual NOTE: Manufacturer does not recommend overhaul of steering. If
faulty, replace steering gear as an assembly.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS\](/img/12/56915/w960_56915-1257.png "DODGE RAM 1999 Service Repair Manual NOTE: Manufacturer does not recommend overhaul of steering. If
faulty, replace steering gear as an assembly.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS\")
NOTE: Manufacturer does not recommend overhaul of steering. If
faulty, replace steering gear as an assembly.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS\
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Application Ft. Lbs. (N.m)\
Center Link-To-Pitman Arm Nut .............................. 65 (88)\
Drag Link Nut .............................................. 65 (88)\
Flow Control Valve Fitting ................................. 55 (75)\
Idler Arm-To-Center Link Nut
Dakota (4WD) & Ram Pickup ................................ 65 (88\
)
Ram Van/Wagon ............................................ 47 (64)\
Idler Arm-To-Frame Bolt
Dakota (4WD)
Standard Duty ........................................... 50 (68)\
Heavy Duty ............................................ 195 (264)\
Ram Pickup ............................................... 50 (68)\
Ram Van/Wagon .......................................... 115 (156)\
Mounting Studs ............................................. 35 (47)\
Pitman Arm Nut ( 1) ....................................... 185 (251)
Sector Shaft Adjuster Screw Lock Nut ....................... 20 (27)\
Dakota (4WD) & Ram Van/Wagon ............................. 20 (27\
)
Ram Pickup ............................................... 43 (58)\
Steering Gear Housing-To-Frame Bolt
Dakota (4WD) ............................................. 65 (88\
)
Ram Pickup ............................................. 140 (190)\
Ram Van/Wagon
Steering Gear-To-Bracket .............................. 105 (142)\
Bracket-To-Frame ...................................... 100 (136)\
Tie Rod Clamp Bolt
Dakota (4WD) ............................................. 56 (75\
)
Ram Pickup
Standard Duty ........................................... 45 (61)\
Heavy Duty .............................................. 60 (81)\
Ram Van/Wagon
Standard Duty (9/16" Nut) ............................... 16 (22\
)
Heavy Duty (5/8" Nut) ................................... 26 (35\
)
Tie Rod Nut
Dakota (4WD) & Ram Pickup ................................ 65 (88\
)
Ram Van/Wagon
9/16" ................................................... 55 (75)\
5/8" ................................................... 75 (102)\
Vacuum/Power Steering Pump Assembly-To-Engine Bolts ........ 57 (77)\
Vacuum Pump-To-Power Steering Pump Nuts .................... 18 (24)\
( 1) - Nut must be staked against pitman arm threads.
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Attaching hardware
incorrect .............. A .......... Require replacement of
incorrect part.
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part.
Attaching hardware
threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Blocked ................. A .. Require repair or replacement.
Connector bent .......... A .. Require repair or replacement.
Connector broken ........ A ............ Require replacement.
Connector loose ......... A .. Require repair or replacement.
Inoperative ............. A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Restricted .............. A .. Require repair or replacement.
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AIR RIDE SUSPENSION - AIR SPRINGS
AIR RIDE SUSPENSION - AIR SPRING INSPECTION \
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require replacement of broken
part.
Attaching hardware
incorrect .............. A .......... Require replacement of
incorrect part.
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part
Attaching hardware
threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Collar cracked .......... A ............ Require replacement.
End cap cracked ......... A ............ Require replacement.
Inner fabric of bag
damaged ................ A ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Outer covering of air bag
is cracked to the extent
that inner fabric of air
bag is visible ......... 1 ............ Suggest replacement.
Piston cracked .......... A ............ Require replacement.
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![DODGE RAM 1999 Service Repair Manual AIR RIDE SUSPENSION - SWITCH (ON/OFF) INSPECTION \
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AIR RIDE SUSPENSION - SWITCH (ON/OFF) INSPECTION \
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Condition Code Procedure
Broken .................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
Output signal incorrect . A ............ Require replacement.
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AIR RIDE SUSPENSION - TORSION SPRINGS (COUNTER BALANCING)
AIR RIDE SUSPENSION - TORSION SPRING (COUNTER BALANCING) INSPECTION \
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Condition Code Procedure
Attaching hardware bent . B ... Require repair or replacement
of bent part.
Attaching hardware
broken ................. A ... Require replacement of broken
part.
Attaching hardware
incorrect .............. A .......... Require replacement of
incorrect part.
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part.
Attaching hardware
threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Broken .................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
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AIR RIDE SUSPENSION - TUBING
AIR RIDE SUSPENSION - TUBING INSPECTION \
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Condition Code Procedure
Attaching hardware
incorrect .............. A .......... Require replacement of
incorrect part.
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part.
Blocked ................. A .. Require repair or replacement.
Fitting incorrect ....... B ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Line type incorrect ..... B ............ Require replacement.
Missing ................. C ............ Require replacement.
Restricted .............. A .. Require repair or replacement.
Routed incorrectly ...... B ..... Require routing correction.