Engine, Cooling and Exhaust: Technical Service Bulletins

• Recalls
  • Generals
    • Campaign - Radiator Fan Motor/Blade Replacement
      • Overview
      • Work Procedure
        • A. Check Type of Radiator Fan Motor
        • B. Replace Fan Motor and/or Fan Blade (Passat, GTI, Jetta)
        • C. Replace Fan Assembly (Corrado)
      • Owner Letter
    • Campaign - Replace Radiator Fan Motor/Fan Blade
      • Overview
      • Recall Campaign Tj Letter
  • Safety
    • Recall - Modify Engine Cooling System
      • Overview
      • Work Procedure
        • Cooling System Modification
        • Cooling System Function Check
        • Heater Exchanger Replacement (Only If Leaking)
          • Engine Compartment (Removal)
          • Vehicle Interior (Removal & Installation)
          • Engine Compartment (Installation)
        • Proper Coolant Disposal
      • Owner Letter
    • Recall 98V295000: Heater Core Leakage
    • Recall 95V178000: Cooling Fan Motor Seizure
• Customer Interest
  • Engine - Idle Speed Hunts When Cold
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • Alternator - V Belt Slips Under Load
  • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
• By Symptom
  • Customer Interest
    • Engine - Idle Speed Hunts When Cold
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • Alternator - V Belt Slips Under Load
    • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
  • Driveability
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
  • Erratic Operation
    • Engine - Idle Speed Hunts When Cold
  • Leaks
    • Engine Oil - Amount Reduced/Drain Plug Seal Replacing
  • Loose
    • Alternator - V Belt Slips Under Load
    • Engine Oil - Amount Reduced/Drain Plug Seal Replacing
  • Odors
    • Exhaust - Sulfur Odor Noticed At the Pipe
  • Poor performance
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
  • Recalls
    • Campaign - Radiator Fan Motor/Blade Replacement
      • Overview
      • Work Procedure
        • A. Check Type of Radiator Fan Motor
        • B. Replace Fan Motor and/or Fan Blade (Passat, GTI, Jetta)
        • C. Replace Fan Assembly (Corrado)
      • Owner Letter
    • Recall - Modify Engine Cooling System
      • Overview
      • Work Procedure
        • Cooling System Modification
        • Cooling System Function Check
        • Heater Exchanger Replacement (Only If Leaking)
          • Engine Compartment (Removal)
          • Vehicle Interior (Removal & Installation)
          • Engine Compartment (Installation)
        • Proper Coolant Disposal
      • Owner Letter
    • Recall 98V295000: Heater Core Leakage
    • Campaign - Replace Radiator Fan Motor/Fan Blade
      • Overview
      • Recall Campaign Tj Letter
    • Recall 95V178000: Cooling Fan Motor Seizure
• All Technical Service Bulletins
  • Cooling System - Coolant ID/Mixing/Improved Coolant
  • Fluids and Lubricants - Warranty Reimbursements
  • Engine - Oil Consumption
  • Campaign - Radiator Fan Motor/Blade Replacement
    • Overview
    • Work Procedure
      • A. Check Type of Radiator Fan Motor
      • B. Replace Fan Motor and/or Fan Blade (Passat, GTI, Jetta)
      • C. Replace Fan Assembly (Corrado)
    • Owner Letter
  • Recall - Modify Engine Cooling System
    • Overview
    • Work Procedure
      • Cooling System Modification
      • Cooling System Function Check
      • Heater Exchanger Replacement (Only If Leaking)
        • Engine Compartment (Removal)
        • Vehicle Interior (Removal & Installation)
        • Engine Compartment (Installation)
      • Proper Coolant Disposal
    • Owner Letter
  • Recall 98V295000: Heater Core Leakage
  • Engine - Idle Speed Hunts When Cold
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • Spark Plug - Correct Application
  • Engine - Attach Pressure Plate or Flywheel to Crankshaft
  • Campaign - Replace Radiator Fan Motor/Fan Blade
    • Overview
    • Recall Campaign Tj Letter
  • Recall 95V178000: Cooling Fan Motor Seizure
  • Alternator - V Belt Slips Under Load
  • Exhaust - Sulfur Odor Noticed At the Pipe
  • Engine Oil - Amount Reduced/Drain Plug Seal Replacing
  • Engine - Approved Oil And Additives
  • Coolant - Revision
  • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
  • Engine - Component Inspection During Engine Replacement
  • Exhaust System - Heat Shield Replacement Guidelines
  • Cooling System - Coolant Identification/Mixing