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SECTION 4
REAR SUSPENSION
The information described in Maintenance Manual X-7525 under the heading
REAR SUSPENSION (SEC . 4) is applicable to models covered by this supplement
with the exception of the following :
Contents of this section are listed below:
SUBJECT
PAGE
NO.
General Description . . . . . . . . . . . . . . . . . . . . . . .
4-2
System Operation . . . . . . . . . . . . . . . . . . . . . . . .
4-2
Standard Rear Suspension System
. . . . . . . . . . . . . . . .
4-2
Electro-Level Rear Suspension . . . . . . . . . . . . . . . . . .
4-4
System Components . . . . . . . . . . . . . . . . . . . . . . .
4-7
Air Bellows . . . . . . . . . . . . . . . . . . . . . . . . . .
4-7
Shock Absorbers . . . . . . . . . . . . . . . . . . . . . . . .
4-7
Height Control Valve . . . . . . . . . . . . . . . . . . . . . .
4-7
Air Compressor . . . . . . . . . . . . . . . . . . . . . . . .
4-8
Wet Tank . .
. . . . . . . . . . . . . . . . . . . . . . . .
4-10
Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . .
4-10
Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . .
4-10
Trouble Diagnosis . . . . . . . . . . . . . . . . . . . . . . . .
4-11
Air Compressor Trouble Diagnosis Chart . . . . . . . . . . . . . . . .
4-11
Electro-Level Controls Trouble Diagnosis Chart . . . . . . . . . .
4-12
Trouble-Shooting Tell-Tale Warning Light . . . . . . . . . . . . .
4-13
Shock Absorbers . . . . . . . . . . . . . . . . . . . . . . . .
4-14
Air Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-14
Height Control Valve Air Leakage Check . . . . . . . . . . . . .
4-15
Trouble-Shooting Solenoid Valves . . . . . . . . . .. . . . . . . . .
4-15
Component Removal . . . . . . . . . . . . . . . . . . . . . . .
4-16
Component Overhaul . . . . . . . . . . . . . . . . . . . . . . .
4-17
Component Installation . . . . . . . . . . . . . . . . . . . . . . .
4-18
On-Vehicle Adjustments
. . . . . . . . . . . . . . . . . . . . .
4-18
Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . .
4-21
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . .
4-21
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