For 1990-2009 cars

# Engine

## All Description and Operation

- Coolant Heater Description
- Coolant Recovery System Description
- Cooling System Description
- Engine Coolant Temperature Sensor Description
- Pressure Cap Description
- Radiator Assembly Description
- Thermostat Description
- Water Pump Description

## All Special Tools and Equipment

- Special Tools

## Cleaning, Inspection, and Adjustment

- Cooling System Draining and Filling
- Flushing

## Diagnostic Procedures

- Engine Fails To Reach Normal Operating Temperature
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis

## General Diagnostic Information

- Coolant Concentration Testing
- Cooling System Leak Testing

## Mechanical Specifications

- Engine Cooling System Specifications
- Fastener Tightening Specifications

## Other Specifications

- GM SPO Group Numbers

## Removal, Installation, and Replacement

- Coolant Heater Replacement
- Coolant Recovery Reservoir Replacement
- Engine Coolant Thermostat Replacement
- Fan Clutch Replacement
- Fan Replacement
- Radiator Inlet Hose Replacement
- Radiator Outlet Hose Replacement
- Radiator Replacement
- Water Pump Replacement