Catera V6-3.0L VIN R (1997)
Coolant: Description and Operation
This vehicle is equipped with a long life coolant. Use only the orange colored, silicate free GM Goodwrench DEXCOOL, or equivalent when adding or
replacing the coolant. If any other coolant is used, the coolant will require a change much sooner at 50,000 km (30,000 mi) or 24 months. Use engine
coolant supplement sealant pellets GM P/N 3634621 or equivalent when coolant is replaced.