Cooling System - Operation

OPERATION

Special Tools:






The cooling system regulates engine operating temperature. It allows the engine to reach normal operating temperature as quickly as possible. It also maintains normal operating temperature and prevents overheating.

The cooling system also provides a source of hot coolant for heating the passenger compartment and cooling the automatic transmission fluid (if equipped). The cooling system is pressurized and uses a centrifugal water pump to circulate coolant throughout the system.

- When engine is cold the thermostat is closed. The cooling system has no flow through the radiator. The coolant flows through the engine, water pump, and heater.
- When engine is warm the thermostat is full open. On the gas engine coolant flows through the engine, radiator, heater, and water pump.

An optional factory installed maximum duty cooling package is available on most models. This package will provide additional cooling capacity for vehicles used under extreme conditions such as trailer towing in high ambient temperatures.

CLIC(C) HOSE CLAMP PLIERS - USAGE

When CLIC(C) style clamps are used. It requires that miller tool (10288) for proper installation and removal.





Installation of the hose clamp requires the flat blade of the pliers to rest against the latch lock side of the clamp. The notched end of the pliers will position to the protruded guide on the latch side. Squeeze the pliers until a CLICK sound is heard.





Removal of the hose clamp requires the notched end of the pliers to rest against the latch side of the clamp. Squeezing the pliers will cause the hook of the latch lock to ride up the beveled edging of the notched side, releasing itself from the lock.