Coolant - Service Level Check

The cooling system is closed and designed to maintain coolant level to top of radiator.

WARNING: DO Not Open Radiator Draincock With Engine Running Or While Engine Is Hot And Cooling System Is Under Pressure.

When vehicle servicing requires a coolant level check in radiator, drain several ounces of coolant from radiator drain cock. Do this while observing coolant reserve/overflow system tank. The coolant level in reserve/overflow tank should drop slightly. If not, inspect for a leak between radiator and coolant reserve/overflow system connection. Remove radiator cap. The coolant level should be to top of radiator. If not and if coolant level in reserve/overflow tank is at ADD mark, check for:
- An air leak in coolant reserve/overflow tank or its hose.
- An air leak in radiator filler neck.
- Leak in pressure cap seal to radiator filler neck.