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• MODEL SELECTION INDEX
• MY 2005 WL Series - Service Information
• Section 6B1Engine Cooling – V6 Engine
  • 1 General Information
  • 2 General Description
    • 2.1 Radiator Assembly
    • 2.2 Cooling Fans
      • Overview
        • Relays
        • Cooling Fans and Shroud Assembly
        • Fan Motors
      • Operation
        • Stage 1 Fan Operation
        • Conditions for Stage 1 Fan Operation
        • Stage 2 Fan Operation
        • Conditions for Stage 2 Fan Operation
    • 2.3 Coolant Pump
    • 2.4 Coolant Outlet Housing
    • 2.5 Thermostat
    • 2.6 Coolant Filler Cap
    • 2.7 Coolant Recovery Reservoir
    • 2.8 Air Baffle, Chutes and Shroud
    • 2.9 Engine Coolant Temperature Sensor
  • 3 Service Operations
    • 3.1 Service Notes
      • Safety
      • Periodic Servicing
      • Environmental Issues
    • 3.2 Coolant Maintenance
      • Topping Up the Cooling System
      • Testing Coolant Concentration
        • Method 1 – Refractometer
        • Method 2 – Hydrometer
    • 3.3 Draining and Filling Cooling System
      • Draining
      • Filling
    • 3.4 Cleaning Cooling System
      • Cooling System Reverse Flush
        • Radiator
        • Engine
        • Heater Hoses and Core
    • 3.5 Drive Belt Tension
      • Inspect
    • 3.6 Coolant Hoses
    • 3.7 Pressure Testing
      • Coolant Filler Cap Pressure Testing
      • Cooling System Pressure Testing
    • 3.8 Thermostat
      • Remove
      • Test
      • Dismantle
      • Reassembly
      • Reinstall
    • 3.9 Coolant Recovery Reservoir
      • Remove
      • Inspect
      • Reinstall
    • 3.10 Air Baffle and Chutes
      • Remove
      • Reinstall
    • 3.11 Coolant Pump
      • Remove
      • Inspect
      • Reinstall
    • 3.12 Coolant Outlet Housing
      • Remove
      • Reinstall
    • 3.13 Coolant Inlet Pipe
      • Remove
      • Reinstall
    • 3.14 Cooling Fan and Shroud Assembly
      • Remove
      • Reinstall
      • Disassemble
      • Reassemble
    • 3.15 Flexible Transmission Cooler Hoses
      • Replace
    • 3.16 Radiator
      • Remove
      • Reinstall
      • Radiator Repair Procedure
        • Repairable Leaks
        • Repair Method
        • Tube Blocking
        • Header Repair
        • General Core Repair
        • Transmission Oil Cooler Leak Test
        • Transmission Oil Cooler Seal Replacement
  • 4 Engine Cooling System Diagnosis
    • 4.1 Poor Heater Operation
    • 4.2 Leaking Cylinder Head Gasket
    • 4.3 Question the Customer
    • 4.4 Diagnostic Chart
    • 4.5 Problems Not Requiring Disassembly of Cooling System
    • 4.6 Problems Requiring Disassembly of Cooling System
    • 4.7 Black Light and Dye Leak Diagnosis Method
  • 5 Specifications
  • 6 Torque Wrench Specifications
  • 7 Special Tools