Suspension Control ( Automatic - Electronic ): Technical Service Bulletins

• Customer Interest
  • Rear Suspension - Knock or Sag
    • Overview
    • Installation Procedure:
    • Parts Information:
    • Warranty Information:
• By Symptom
  • Customer Interest
    • Rear Suspension - Knock or Sag
      • Overview
      • Installation Procedure:
      • Parts Information:
      • Warranty Information:
  • Erratic Operation
    • Ride/Level Control - Misdiagnosis of Faults
  • Loose
    • Hydraulic System - Valve Block Leak
  • Noise
    • Ride Level Sensor - Revised
    • Ride Height Sensor - New Modification Procedure
      • Overview
      • Installation Procedure:
      • Warranty Information:
    • Rear Suspension - Knock or Sag
      • Overview
      • Installation Procedure:
      • Parts Information:
      • Warranty Information:
  • Poor steering/ride control
    • PAS/Ride Levelling - Adding PS Fluid by Mistake
• All Technical Service Bulletins
  • Rear Suspension - Replacing Relief Valve
  • Solenoid Valve Block - Component Replacement
    • Overview
    • Diagnosis
    • Solenoid Valve Replacement Procedure
  • Hydraulic and Ride Levelling - Technical Guide
    • Overview
    • Repair and Operation of Power Hydraulics - Page 1
    • System Description - Pre. 1990 Model Year - Page 2
    • System Operation - Pre. 1990 Model Year - Page 4
    • System Description - 1990 Model Year On Page 6
    • Ride Levelling System Operation - Page 7
    • System Changes and Developments - Pages 8, 9
    • Fault Diagnosis - Page 10, 11
    • Electro-Hydraulic Brake/Ride Levelling Testing - Page 12
    • Fault Trace Tree - Page 13 Thru 16
      • Test 1
      • Test 2
      • Test 3
      • Test 4
      • Test 5
      • Test 6
      • Test 7
      • Test Note 1-11
    • Repair Policy
  • Hydraulic System - Pressure Test Revised
  • PAS/Ride Levelling - Adding PS Fluid by Mistake
  • Ride Level Sensor - Revised
  • Ride Height Sensor - New Modification Procedure
    • Overview
    • Installation Procedure:
    • Warranty Information:
  • Rear Suspension - Knock or Sag
    • Overview
    • Installation Procedure:
    • Parts Information:
    • Warranty Information:
  • Ride/Level Control - Misdiagnosis of Faults
  • Hydraulic System - Valve Block Leak