Engine Cooling for GMC Truck GMC Sierra Denali 2004

All Component Locator

• Cooling System Component Views

All Description and Operation

• Cooling System Description and Operation
• Starter Generator Control Module Cooling System Description and Operation

All Special Tools and Equipment

• Special Tools

All Visual Identification

• Cooling System Connector End Views

Cleaning, Inspection, and Adjustment

• Cooling System Draining and Filling
• Flushing
• Generator Control Module Cooling System Draining and Filling
• Generator Control Module Flushing
• Radiator Cleaning

Diagnostic Procedures

• Coolant Heater Inoperative
• Cooling System Leak Testing
• Diagnostic Starting Point - Engine Cooling
• Diagnostic System Check - Engine Cooling
• Engine Coolant Temperature Indicator Always On
• Engine Fails To Reach Normal Operating Temperature
• Engine Overheated Indicator Always On
• Engine Overheating
• Generator Control Module Cooling System Leak Testing
• Loss of Coolant
• Loss of Coolant - Starter/Generator Control Module
• Low Engine Coolant Indicator Always On
• Pressure Cap Testing
• Pressure Cap Testing - Starter/Generator Control Module
• Starter Generator Control Module Coolant Pump Inoperative
• Starter Generator Control Module Cooling Fan Always On
• Starter Generator Control Module Cooling Fan Inoperative
• Symptoms - Engine Cooling
• Thermostat Diagnosis

Diagnostic Trouble Codes

• Diagnostic Trouble Code (DTC) List
• DTC B0159
• DTC B3844
• DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79
• DTC P0A06 or P0A07
• DTC P0A3E
• DTC P1258
• DTC P1A7E
• DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86
• DTC P1A87
• DTC P1AC0
• DTC P1AC1 or P1AC2

Electrical/Electronic Schematic Diagrams

• Engine Cooling Schematics

General Diagnostic Information

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

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Auxiliary Water Pump Replacement
• Coolant Heater Cord Replacement
• Coolant Heater Replacement
• Cooling Fan Pulley Replacement
• Engine Coolant Air Bleed Hose Replacement
• Engine Coolant Air Bleed Pipe Replacement
• Engine Coolant Crossover Pipe Replacement
• Engine Coolant Fan Lower Shroud Replacement
• Engine Coolant Fan Upper Shroud Replacement
• Engine Coolant Thermostat Housing Replacement
• Engine Coolant Thermostat Replacement
• Engine Oil Cooler Hose/Pipe Replacement
• Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement
• Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement
• Fan Clutch Replacement
• Fan Replacement
• Generator Control Module Coolant Fan Motor Replacement
• Generator Control Module Coolant Hose Replacement
• Generator Control Module Coolant Pipe Quick Connect Fitting Replacement
• Generator Control Module Coolant Pump Hose Replacement
• Generator Control Module Coolant Pump Replacement
• Generator Control Module Coolant Radiator Hose Replacement
• Generator Control Module Coolant Radiator Replacement
• Generator Control Module Coolant Tank Replacement
• Generator Control Module Pressure Relief Hose Replacement
• Generator Coolant Inlet Pipe Replacement
• Radiator Air Side Baffle and Deflector Replacement
• Radiator Air Upper Baffle and Deflector Replacement
• Radiator Drain Cock Replacement
• Radiator Hose Quick Connect Fitting
• Radiator Inlet Hose Replacement
• Radiator Outlet Hose Replacement
• Radiator Replacement
• Radiator Surge Tank Inlet Hose/Pipe Replacement
• Radiator Surge Tank Replacement
• Radiator Vent Inlet Hose Replacement
• Thermal Bypass Fitting Replacement
• Thermal Bypass Hose Replacement
• Thermostat Bypass Pipes Replacement
• Thermostat Housing Crossover Replacement
• Turbocharger Coolant Bypass Valve Replacement
• Turbocharger Coolant Hoses/Pipes Replacement
• Water Outlet Tube Replacement
• Water Pump Outlet Pipe Replacement
• Water Pump Replacement