Technician Safety Information

WARNING:
Cooling Fan Operation Hazard
To avoid the possibility of personal injury or damage to the vehicle, do not operate the engine with the hood open until the fan has first been examined for possible cracks and separation.

Unexpected Cooling Fan Operation.
The electric cooling fan will operate whenever the key is ON and the coolant is hot (above 97°C [207°F]), even though the engine may not be RUNNING. Avoid placing hands, clothing, tools, or other objects in the fan blades at any time. The fan blade will also operate if the engine coolant temperature (ECT) sensor is disconnected.

SCALDING HOT COOLANT, WATER OR STEAM
NEVER remove the radiator cap under any conditions while the engine is operating. Failure to follow these instructions could result in personal injury and/or damage to the cooling system or engine. To avoid having scalding hot coolant or steam blow out of the radiator, use extreme care when removing the radiator cap from a hot radiator. Wait until the engine has cooled, then wrap a thick cloth around the radiator cap and turn it slowly to the first stop. Step back while the pressure is released from the cooling system. When you are certain all the pressure has been released, press down on the radiator cap (with a cloth), turn, and remove.

WARNING:
FUEL UNDER PRESSURE
Fuel in the fuel system remains under HIGH PRESSURE for long periods of time, even when the engine is not RUNNING. To avoid injury or fire, perform fuel pressure operations before disconnecting any fuel line.

Fire Hazard
Do not smoke or carry lighted tobacco or an open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury

NOTE
When performing tests, adjustments, or service to the engine, ignition system, or fuel system, it is essential to follow the procedures and specifications in the appropriate service procedures, and in Powertrain Management.