Section 2883 (Engine Cooling System)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC P0480, P0691, or P0692: Cooling Fan Speed Output (L83, L86, L8B, LV3)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0480, P0691, Or P0692: Cooling Fan Speed Output Circuit Low/High Voltage (L5P)
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0483 or P0493: Cooling Fan System (L5P)
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC P0495: Cooling Fan Speed Too High (L5P)
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC P0526: Cooling Fan Speed Sensor
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1258: Engine Coolant Over temperature
- DTC P2600-P2603: Auxiliary Coolant Pump Relay
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Engine Cooling
- Cooling Fan Always On (L83, L86, L8B, LV3)
- Cooling Fan Inoperative (L83, L86, L8B, LV3)
- Engine Overheating
- Loss of Coolant (L8B, L83, L86)
- Loss of Coolant (LV3)
- Loss of Coolant (LC8, L96)
- Loss of Coolant (L5P)
- Thermostat Diagnosis
- Coolant Heater Inoperative (Without Diesel)
- Coolant Heater Inoperative (With Diesel)
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Cooling System Leak Testing (L8B, L83, L86, LV3)
- Cooling System Leak Testing (LC8, L96)
- Cooling System Leak Testing (L5P)
- Fan Clutch Diagnosis (Diesel)
- DTC P0480, P0691, or P0692: Cooling Fan Speed Output (L83, L86, L8B, LV3)
- Repair Instructions
- Hose Clamp Replacement Guidelines - Spring Type
- Cooling System Draining and Filling (Static Fill LC8 L96)
- Cooling System Draining and Filling (Vac N Fill LC8 L96)
- Cooling System Draining and Filling (Vac N Fill L83 L86)
- Cooling System Draining and Filling (Static Fill L83 L86)
- Cooling System Draining and Filling (Static Fill LV3)
- Cooling System Draining and Filling (Vac N Fill LV3)
- Cooling System Draining and Filling (Vac N Fill L8B)
- Cooling System Draining and Filling (GE 47716 L5P)
- Cooling System Draining and Filling (Static L5P)
- Flushing
- Radiator Cleaning
- Radiator Surge Tank Cap Replacement (L5P)
- Radiator Surge Tank Replacement (L83, L86)
- Radiator Surge Tank Replacement (LV3)
- Radiator Surge Tank Replacement (LC8, L96)
- Radiator Surge Tank Replacement (L8B)
- Radiator Surge Tank Replacement (L5P)
- Radiator Surge Tank Inlet Hose Replacement (Surge Tank To Radiator L83, L86, LV3)
- Radiator Surge Tank Inlet Hose Replacement (Surge Tank To Water Outlet L83, L86)
- Radiator Surge Tank Inlet Hose Replacement (Surge Tank To Water Outlet LV3)
- Radiator Surge Tank Inlet Hose Replacement (LC8, L96)
- Radiator Surge Tank Inlet Hose Replacement (L8B)
- Radiator Surge Tank Inlet Hose Replacement (Surge Tank to Radiator to Radiator Surge Tank Inlet Hose L5P)
- Radiator Surge Tank Inlet Hose Replacement (Surge Tank to Engine L5P)
- Radiator Surge Tank Outlet Hose Replacement (LC8, L96)
- Radiator Surge Tank Outlet Hose Replacement (CNG)
- Radiator Inlet Hose Replacement (L83, L86)
- Radiator Inlet Hose Replacement (LV3)
- Radiator Inlet Hose Replacement (LC8, L96)
- Radiator Inlet Hose Replacement (L8B)
- Radiator Inlet Hose Replacement (L5P)
- Radiator Outlet Hose Replacement (L83, L86)
- Radiator Outlet Hose Replacement (LV3)
- Radiator Outlet Hose Replacement (LC8, L96)
- Radiator Outlet Hose Replacement (L8B)
- Radiator Outlet Hose Replacement (L5P)
- Radiator Lower Mount Replacement (L8B)
- Engine Oil Cooler Replacement (2WD, L5P)
- Engine Oil Cooler Replacement (4WD, L5P)
- Fan Blade Replacement (LC8, L96)
- Fan Blade Replacement (L5P)
- Fan Blade Clutch Replacement (LC8, L96)
- Fan Blade Clutch Replacement (L5P)
- Fan Pulley Replacement
- Engine Coolant Fan Replacement (L83, L86, LV3)
- Engine Coolant Fan Replacement (L8B)
- Turbocharger Coolant Feed Pipe Replacement (L5P)
- Turbocharger Coolant Return Pipe Replacement (L5P)
- Turbocharger Coolant Return Hose Replacement (L5P)
- Exhaust Gas Recirculation Cooler Water Bypass Inlet Hose Replacement (L5P)
- Exhaust Gas Recirculation Valve Cooling Feed Hose Replacement (L5P)
- Exhaust Gas Recirculation Manifold Cooling Return Pipe Replacement (L5P)
- Exhaust Gas Recirculation Manifold Cooling Feed Pipe Replacement (L5P)
- Engine Coolant Thermostat Housing Replacement (LV3, L8B & L83 with Thermostat)
- Engine Coolant Thermostat Housing Replacement (L96, LC8)
- Engine Coolant Thermostat Housing Replacement (L5P)
- Engine Coolant Thermostat Replacement (L96, LC8)
- Engine Coolant Thermostat Replacement (L5P)
- Engine Coolant Manifold Replacement (LV3, L83)
- Engine Coolant Manifold Replacement (L8B)
- Engine Coolant Air Bleed Pipe Replacement (L96, LC8)
- Engine Coolant Air Bleed Hose Replacement (L8B)
- Water Outlet Replacement (L5P)
- Thermostat Bypass Pipe Replacement (L5P)
- Water Pump Replacement (L96, LC8)
- Water Pump Replacement (L5P)
- Water Pump Replacement (LV3)
- Water Pump Replacement (L83, L86, L8B)
- Water Pump Outlet Pipe Replacement (2WD, L5P)
- Water Pump Outlet Pipe Replacement (4WD, L5P)
- Auxiliary Water Pump Replacement (L8B)
- Radiator Drain Cock Replacement (L83, L86, LV3)
- Radiator Drain Cock Replacement (L8B)
- Radiator Drain Cock Replacement (L5P)
- Engine Coolant Fan Shroud Replacement (L8B)
- Engine Coolant Fan Shroud Replacement (L5P)
- Engine Coolant Fan Upper Shroud Replacement (LC8, L96)
- Engine Coolant Fan Lower Shroud Replacement (LC8, L96)
- Engine Coolant Fan Rear Shroud Replacement (LV3)
- Engine Coolant Fan Rear Shroud Replacement (L83, L86)
- Radiator Replacement (LV3)
- Radiator Replacement (L83, L86)
- Radiator Replacement (LC8, L96)
- Radiator Replacement (L8B)
- Radiator Replacement (L5P)
- Radiator Upper Insulator Replacement (LC8, L96)
- Radiator Upper Insulator Replacement (L5P)
- Radiator Lower Insulator Replacement (LC8, L96)
- Radiator Inner Grille Replacement (Chevrolet)
- Radiator Inner Grille Replacement (GMC)
- Front Grille Baffle Replacement (GMC L8B)
- Front Grille Baffle Replacement (Chevrolet L8B)
- Radiator Support Baffle Replacement (LV3)
- Radiator Support Baffle Replacement (L83, L86)
- Radiator Support Baffle Replacement (LC8, L96)
- Radiator Support Baffle Replacement (L8B)
- Radiator Support Baffle Replacement (L5P)
- Radiator Air Baffle Replacement - Left (LV3)
- Radiator Air Baffle Replacement - Left (L83, L86)
- Radiator Air Baffle Replacement - Right (LV3)
- Radiator Air Baffle Replacement - Right (L83, L86)
- Radiator Air Lower Baffle Replacement (L83, L86, LV3)
- Radiator Air Lower Baffle Replacement (LC8, L96)
- Radiator Air Lower Baffle Replacement (L8B)
- Radiator Air Lower Baffle Replacement (L5P)
- Radiator Air Upper Baffle and Deflector Replacement (L83, L86, LV3)
- Radiator Air Upper Baffle and Deflector Replacement (L8B)
- Radiator Air Seal Replacement (L83, L86, LV3)
- Radiator Air Seal Replacement (LC8, L96 - Chevrolet)
- Radiator Air Seal Replacement (LC8, L96 - GMC)
- Radiator Air Seal Replacement (L8B)
- Radiator Air Seal Replacement (L5P)
- Engine Coolant Heater Replacement
- Engine Coolant Heater Cord Replacement
- CNG High Pressure Regulator Heater Inlet Hose Replacement (Heater Hose to Pipe)
- CNG High Pressure Regulator Heater Inlet Hose Replacement (Pipe to Regulator)
- CNG High Pressure Regulator Heater Outlet Hose Replacement (Heater Hose to Pipe)
- CNG High Pressure Regulator Heater Outlet Hose Replacement (Pipe to Regulator)
- Description and Operation
- Special Tools and Equipment