Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Idle Speed Hunts When Cold
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • Coolant Pump - Leakage, Warning Lamp On, Residue
  • Radiator Fan - Stays On High Speed When Extremely Cold
  • Alternator - V Belt Slips Under Load
  • Coolant Indicator LED - Flashing At Normal Temp
  • Engine - Misfire
  • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
  • Fuel - Improved Additive
• By Symptom
  • Continuous fan operation
    • Radiator Fan - Stays On High Speed When Extremely Cold
  • Customer Interest
    • Engine - Idle Speed Hunts When Cold
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • Coolant Pump - Leakage, Warning Lamp On, Residue
    • Radiator Fan - Stays On High Speed When Extremely Cold
    • Alternator - V Belt Slips Under Load
    • Coolant Indicator LED - Flashing At Normal Temp
    • Engine - Misfire
    • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
    • Fuel - Improved Additive
  • Driveability
    • Fuel System - Poor Engine Performance
      • Overview
      • Letter - Dealership Manager
      • Letter - Chief Executive Officer, Clark Oil Company
    • Engine - Misfire
    • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
    • Fuel - Improved Additive
  • Erratic Operation
    • Engine - Idle Speed Hunts When Cold
  • False instrument warning light/gauges
    • Coolant Indicator LED - Flashing At Normal Temp
  • Inoperative
    • Oxygen Sensor - Failure Due to Silicone
  • Leaks
    • Coolant Pump - Leakage, Warning Lamp On, Residue
  • Loose
    • Alternator - V Belt Slips Under Load
  • 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
• All Technical Service Bulletins
  • Fluids and Lubricants - Warranty Reimbursements
  • Tools - Engine/Transmission Oil Temperature Tester
  • Engine - Warranty Repair Claims No Longer Covered
  • Engine - Oil Consumption
  • Engine - Idle Speed Hunts When Cold
  • Fuel System - Poor Engine Performance
    • Overview
    • Letter - Dealership Manager
    • Letter - Chief Executive Officer, Clark Oil Company
  • A/C Compressor Belt - Adjusting
  • Engine - Attach Pressure Plate or Flywheel to Crankshaft
  • Coolant Pump - Leakage, Warning Lamp On, Residue
  • Radiator Fan - Stays On High Speed When Extremely Cold
  • Alternator - V Belt Slips Under Load
  • Warranty - Replacement Mufflers Warranty
  • Oxygen Sensor - Failure Due to Silicone
  • Exhaust - Sulfur Odor Noticed At the Pipe
  • Engine - Approved Oil And Additives
  • Coolant - Revision
  • Coolant Indicator LED - Flashing At Normal Temp
  • Crankshaft Drive Sprocket Bolt - Changed
  • Engine - Misfire
  • MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
  • Fuel - Improved Additive
  • Fuel - Use of Gasolines Containing Detergent Recommended
  • Engine - Component Inspection During Engine Replacement
  • Exhaust System - Heat Shield Replacement Guidelines