Engine Cooling for GMC Truck Safari - 2WD 2004

All Description and Operation

• Cooling System Description and Operation

All Special Tools and Equipment

• Special Tools

Cleaning, Inspection, and Adjustment

• Cooling System Draining and Filling
• Flushing
• Radiator Cleaning

Diagnostic Procedures

• Coolant Heater Inoperative
• Cooling System Leak Testing
• Diagnostic Starting Point - Engine Cooling
• Diagnostic System Check - Engine Cooling
• Engine Fails To Reach Normal Operating Temperature
• Engine Overheating
• Loss of Coolant
• Pressure Cap Testing
• Symptoms - Engine Cooling
• Thermostat Diagnosis

Diagnostic Trouble Codes

• Diagnostic Trouble Code (DTC) List
• DTC P1258

General Diagnostic Information

• Fan Clutch Diagnosis
• Scan Tool Data Definitions
• Scan Tool Data List

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Coolant Heater Replacement
• Coolant Recovery Reservoir Replacement
• Engine Coolant Fan Lower Shroud Replacement
• Engine Coolant Fan Upper Shroud Replacement
• Engine Coolant Temperature Sensor Replacement
• Engine Coolant Thermostat Replacement
• Engine Oil Cooler Hose/Pipe Replacement
• Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement
• Fan Clutch Replacement
• Fan Replacement
• Radiator Inlet Hose Replacement
• Radiator Outlet Hose Replacement
• Radiator Replacement
• Water Pump Replacement