Coolant Replacement

WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Vehicle must be level when filling cooling system.

Slowly add a mixture of 50/50 DEX-COOL ® antifreeze and clean water to coolant surge tank until the level reaches the "Cold" line (surge tank seam).
Cooling system volumes, including heater core: 7.4 L (7.8 qt.)

Fig 1: Identifying Surge Tank "Cold" Line (Tank Seam)
Courtesy of GENERAL MOTORS CORP.
Start engine and check for leaks.
Run engine until thermostat has opened.
1. Use a Scan tool to verify ECT is between 87°-90 C (188°-196° F).
2. Cycle RPM from idle to 3000 in 30 seconds intervals to aid bleeding of cooling system
3. Add coolant as necessary to bring level up to coolant surge tank "Cold" line (surge tank seam).
Install coolant surge tank coolant cap.