GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1999
🢒
Astro - 2WD
🢒
Engine
🢒 Engine Cooling
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
Radiator Cleaning
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
Fan Clutch Diagnosis
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 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
Fan Replacement
Radiator Drain Cock Replacement
Radiator Hose Replacement
Radiator Replacement
Water Pump Replacement