Open the engine compartment.
Carefully loosen the cooling system pressure cap in
order to relieve system pressure.
The radiator drain valve is located at the rear of the
Open the radiator drain valve. Allow some coolant to
drain into a suitable container before the sample is
taken. Excessive sediment can drain away, and a more
accurate sample results. Obtain a sample in an
appropriate container. Close the radiator drain valve.
Send the coolant sample to an appropriate lab for
analysis. See the Operation and Maintenance Manual,
"SOS Coolant Analysis" section.
Refill the cooling system with coolant, as required. See
Operation and Maintenance Manual, Cooling System
Maintain the level of the coolant to the middle of the
Tighten the cooling system pressure cap.
Close the engine compartment.
Cooling System Coolant Sample - Obtain