GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Oldsmobile
🢒
2003
🢒
Aurora
🢒
HVAC
🢒
HVAC Systems - Automatic
🢒 Flushing
Park the vehicle on a level surface.
Remove and clean or flush the coolant surge tank. Refer to
Radiator Surge Tank Replacement
.
Flush the engine cooling system. Follow the flushing equipment manufacturer's instructions.
Install the coolant surge tank. Refer to
Radiator Surge Tank Replacement
.
Fill the cooling system. Refer to
Cooling System Draining and Filling
.