DESCRIPTION

This system works along with the radiator pressure cap. This is done by using thermal expansion and contraction of the coolant to keep the coolant free of trapped air. It provides:

• A volume for coolant expansion and contraction.
• A convenient and safe method for checking/adjusting coolant level at atmospheric pressure. This is done without removing the radiator pressure cap.
• Some reserve coolant to the radiator to cover minor leaks and evaporation or boiling losses.

As the engine cools, a vacuum is formed in the cooling system of both the radiator and engine. Coolant will then be drawn from the coolant tank and returned to a proper level in the radiator.

The coolant reservoir/overflow system has a radiator mounted pressurized cap, an overflow tube and a plastic coolant reservoir/overflow tank mounted to the right inner fender.

COOLANT RECOVERY PRESSURE SYSTEM - 3.0L DIESEL

This system works on the principal of a closed and deaerated system using thermally generated pressure. The expansion and contraction of the coolant in the pressurized closed system keeps it free of trapped air. It provides:

• A pressurized surge tank (1) volume for expansion and contraction.
• A non-pressurized overflow volume to capture excess coolant expansion and allow for it's return to the pressurized system.
• A pressurized cap on the pressure bottle rather then the radiator. This facilitates deaeration of the system.
• Reserve coolant is included in the pressurized volume to account for minor leaks and evaporation or boiling losses.
• Provides a warning light for low coolant level.