Cooling System: Technical Service Bulletins

• Customer Interest
  • Cooling System Fan - Fuse Failure
  • Cooling System - Fan Fuse Failure
  • Heater Water Valve - Knocking Noise
  • Heater - Reduced Output Temperature
    • Overview
    • Heater Core Coolant Circulation Test
    • Draining Coolant and Flushing the Cooling System
    • Heater Core Replacement
    • Refilling Cooling System
    • Parts/Warranty Information
• By Symptom
  • Customer Interest
    • Cooling System Fan - Fuse Failure
    • Cooling System - Fan Fuse Failure
    • Heater Water Valve - Knocking Noise
    • Heater - Reduced Output Temperature
      • Overview
      • Heater Core Coolant Circulation Test
      • Draining Coolant and Flushing the Cooling System
      • Heater Core Replacement
      • Refilling Cooling System
      • Parts/Warranty Information
  • Erratic Operation
    • Cooling System - Fan Motor Fuse Failure
  • Inoperative
    • Cooling System Fan - Fuse Failure
    • Cooling System - Fan Motor Fuse Failure
  • Leaks
    • Radiator Drain Plug - Defective
      • Overview
      • S652 Service Action VIN List
        • XJ6 - Model Code 2311
        • Vanden Plas - Model Code 2313
        • Vanden Plas Extended Wheelbase - Model Code 2353
        • XJ12 - Model Code 2512
        • XJ12 Extended Wheelbase - Model Code 2552
        • XJR - Model Code 2314
  • Noise
    • Heater Water Valve - Knocking Noise
  • Poor performance
    • Heater - Reduced Output Temperature
      • Overview
      • Heater Core Coolant Circulation Test
      • Draining Coolant and Flushing the Cooling System
      • Heater Core Replacement
      • Refilling Cooling System
      • Parts/Warranty Information
• All Technical Service Bulletins
  • Cooling System Fan - Fuse Failure
  • Cooling System - Fan Fuse Failure
  • Cooling System - Fan Motor Fuse Failure
  • Tool - Coolant System Pressure Test Adaptor
  • Heater Water Valve - Knocking Noise
  • Heater - Reduced Output Temperature
    • Overview
    • Heater Core Coolant Circulation Test
    • Draining Coolant and Flushing the Cooling System
    • Heater Core Replacement
    • Refilling Cooling System
    • Parts/Warranty Information
  • Coolant - Revised
  • Cooling System - Revised Engine Coolant
  • Cooling System - New Design Hose Clamps
  • Radiator Drain Plug - Defective
    • Overview
    • S652 Service Action VIN List
      • XJ6 - Model Code 2311
      • Vanden Plas - Model Code 2313
      • Vanden Plas Extended Wheelbase - Model Code 2353
      • XJ12 - Model Code 2512
      • XJ12 Extended Wheelbase - Model Code 2552
      • XJR - Model Code 2314