Operation CHARM
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Porsche
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1988
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928 S4 V8-4957cc 5.0L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Technical Service Bulletins
Cooling System: Technical Service Bulletins
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Customer Interest
Engine - High Operating Temperature at High Speeds
Coolant Pump - Leaks
Cylinder Head - Coolant Loss/Coolant in Oil
By Symptom
Customer Interest
Engine - High Operating Temperature at High Speeds
Coolant Pump - Leaks
Cylinder Head - Coolant Loss/Coolant in Oil
Leaks
Coolant Pump - Leaks
Cylinder Head - Coolant Loss/Coolant in Oil
Overheating
Engine - High Operating Temperature
Engine - High Operating Temperature at High Speeds
All Technical Service Bulletins
Cooling System - Approved Phosphate Free Anti-Freeze
Cooling System - Air Flap & Fan System Troubleshooting
Coolant Pumps - Modified
Engine - High Operating Temperature
Engine - High Operating Temperature at High Speeds
Coolant Pump - Leaks
Cylinder Head - Coolant Loss/Coolant in Oil