Dodge ZB 2005 Service Manual page 818

ZB
STEERING (Continued)
PUMP OUTLET SPECIFICATIONS
RELIEF
ENGINE
PRESSURE
9653 kPa ± 345
ALL kPa
(1400 psi ± 50 psi)
GEAR INLET SPECIFICATIONS
RELIEF
ENGINE
PRESSURE
9653 kPa ± 345
ALL kPa
(1400 psi ± 50 psi)
POWER STEERING NOISE
CONDITION
OBJECTIONABLE HISS
OR WHISTLE*
RATTLE OR CLUNK
POPPING NOISE
FLOW RATE
(GPM) @ 1100
RPM
2.4-2.8 GPM
Minimum @ 1379
kPa (200 psi)
FLOW RATE
(GPM) @ 1500
RPM
2.4-2.8 GPM
Minimum @ 1379
kPa (200 psi)
POSSIBLE CAUSES
1. Damaged or mispositioned
steering column shaft/coupling dash
panel seal.
2. Noisy valve in power steering
gear.
1. Power steering gear loose on
mounting brackets.
2. Loose tie rod (outer or inner).
3. Loose lower control arm mounting
(cam) bolts at frame rail.
4. Loose upper control arm-to-pivot
bar mounting nuts.
5. Loose upper control arm pivot
bar-to-frame rail mounting nuts.
6. Power steering fluid pressure
hose touching the body of the
vehicle.
7. Internal power steering gear
noise.
1. Worn outer tie rod.
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.
1. Reposition or replace steering
column shaft/coupling dash panel seal.
2. Replace power steering gear.
1. Inspect power steering gear
mounting bolts. Replace as necessary.
Tighten to the specified torque.
2. Check tie rod pivot points for wear.
Replace worn/loose parts as required.
3. Tighten control arm mounting bolts to
the specified torque values. Perform
wheel alignment.
4. Tighten upper control arm-to-pivot
bar mounting nuts to the specified
torque values.
5. Tighten upper control arm pivot
bar-to-frame rail mounting nuts to the
specified torque values. Perform wheel
alignment.
6. Adjust hose to proper position by
loosening, repositioning, and tightening
fitting to specified torque. Do not bend
tubing.
7. Replace power steering gear.
1. Replace outer tie rod.
STEERING 19 - 3
CORRECTION