Section 99 (Engine Cooling System)
WARNING: This page is about a different car, the 2009 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- DTC P0480 or P0481
- 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 DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Verification
- DTC P1258
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Cooling System Draining and Filling (Vac-N-Fill)
- Cooling System Draining and Filling (Static Fill)
- Flushing
- Radiator Cleaning
- Radiator Surge Tank Replacement (LD8)
- Coolant Recovery Reservoir Replacement
- Radiator Surge Tank Inlet Hose/Pipe Replacement (LD8)
- Radiator Surge Tank Outlet Hose/Pipe Replacement (LD8)
- Radiator Inlet Hose Replacement (LD8)
- Radiator Inlet Hose Replacement (LZ9)
- Radiator Outlet Hose Replacement (LD8)
- Radiator Outlet Hose Replacement (LZ9)
- Radiator Vent Inlet Hose Replacement
- Engine Oil Cooler Outlet Hose Replacement
- Engine Oil Cooler Inlet Hose Replacement
- Engine Coolant Fan Replacement
- Engine Coolant Fan Motor Replacement
- Engine Coolant Thermostat Replacement (LZ9 or LGD)
- Engine Coolant Thermostat Replacement (LD8)
- Engine Coolant Crossover Pipe Replacement (LD8)
- Coolant Recovery Reservoir Hose Replacement
- Drive Belt Tensioner Shield Replacement (LD8)
- Water Pump Pulley Replacement (LD8)
- Drive Belt Tensioner Replacement - Water Pump (LD8)
- Water Pump Belt Replacement (LD8)
- Water Pump Replacement (LZ9 or LGD)
- Water Pump Replacement (LD8)
- Engine Coolant Fan Shroud Replacement (LZ9)
- Engine Coolant Fan Shroud Replacement (LD8)
- Radiator Replacement (LZ9)
- Radiator Replacement (LD8)
- Radiator Support Bracket Replacement
- Coolant Heater Replacement (V6)
- Engine Coolant Heater Replacement - Left Side (LD8)
- Engine Coolant Heater Replacement - Right Side (RPO LD8)
- Coolant Heater Cord Replacement (LD8)
- Coolant Heater Cord Replacement (LZ9 or LGD)
- Description and Operation
- Cooling Fan Description and Operation
- Cooling System Description and Operation
- Cooling Fan Control - Two Fan System
- Engine Coolant
- Coolant Warning Messages
- Coolant Level Control
- Coolant Heater
- Cooling System
- Cooling Cycle
- Coolant
- Radiator
- Pressure Cap
- Surge Tank
- Air Baffles and Seals
- Water Pump
- Thermostat
- Engine Oil Heat Exchanger
- Transmission Oil Cooler - V09
- Transmission Oil Cooler - V03/V92
- Transmission Oil Cooler Lines
- Power Steering Oil Cooler
- Special Tools and Equipment