Jeep Wrangler 1999 Electronic Service Manual page 840

TJ
ADJUSTMENTS (Continued)
(6) If an adjustment to the Over-Center Rotating
Torque is necessary, first loosen the adjuster lock
nut. Then turn the pitman shaft adjuster screw back
(COUNTERCLOCKWISE) until fully extended, then
turn back in (CLOCKWISE) one full turn.
Fig. 29 Checking Over-center Rotation Torque
(7) Remeasure Over-Center Rotating Torque. If
necessary turn the adjuster screw and repeat mea-
surement until correct Over-Center Rotating Torque
is reached.
NOTE: To increase the Over-Center Rotating Torque
turn the screw CLOCKWISE.
(8) Prevent the adjuster screw from turning while
tightening adjuster lock nut. Tighten the adjuster
lock nut to 49 N·m (36 ft. lbs.).
SPECIFICATIONS
POWER STEERING GEAR
Steering Gear
Type . . . . . . . . . . . . . . . . . . . . . Recirculating Ball
Gear Ratio . . . . . . . . . . . . . . . . . . . . . . 15 to 13:1
Worm Shaft Bearing
Preload . . . . . . . . . . 0.45–1.13 N·m (4–10 in. lbs.)
Pitman Shaft Over-Center Drag
New Gear (under 400 miles) . . . . . 0.45–0.90 N·m
(4–8 in. lbs.) + Worm Shaft Preload
Used Gear (over 400 miles) . . . . . . . . 0.5–0.6 N·m
(4–5 in. lbs.)
+ Worm Shaft Preload
TORQUE CHART
DESCRIPTION
Power Steering Gear
Adjustment Cap Locknut . . . 108 N·m (80 ft. lbs.)
Adjustment Screw Locknut . . . 49 N·m (36 ft. lbs.)
Gear to Frame Bolts . . . . . . . . 95 N·m (70 ft. lbs.)
Pitman Shaft Nut . . . . . . . . 251 N·m (185 ft. lbs.)
Rack Piston Plug . . . . . . . . . . 102 N·m (75 ft. lbs.)
Side Cover Bolts . . . . . . . . . . . 60 N·m (44 ft. lbs.)
Pressure Line . . . . . . . . . . . . . 28 N·m (21 ft. lbs.)
Return Line . . . . . . . . . . . . . . 28 N·m (21 ft. lbs.)
SPECIAL TOOLS
POWER STEERING GEAR
Remover/Installer, Steering Plug C-4381
Remover, Pitman Arm C-4150A
Remover/Installer Steering Rack Piston C-4175
STEERING 19 - 21
TORQUE