FUEL INJECTION (FUEL SYSTEMS)(H4DOTC DIESEL) > General Description

CAUTION

Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing any work.

Remove contamination including dirt and corrosion before removal, installation or disassembly.

Keep the disassembled parts in order and protect them from dust and dirt.

Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, installation, disassembly and replacement.

Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.

Do not change the combination of installed parts such as switching the fuel injector cylinder cylinders.

Bleed air from the system after removing/installing fuel system components.

Be sure to tighten fasteners including bolts and nuts to the specified torque.

Place shop jacks or rigid racks at the specified points.

Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery.

Place “NO OPEN FLAMES” signs near the working area.

Cover removed fuel system parts such as pipes and hoses with a cap or cover to prevent foreign matter from entering.

Prepare a container and cloth to prevent scattering of fuels when performing work where fuels can be spilled. If the fuel spills, wipe it off immediately to prevent from penetrating into floor or flowing out for environmental protection.

Follow all government and local regulations concerning disposal of refuse when disposing fuel.

Keep rubber and leather parts away from the vehicle to prevent contact with diesel fuel.

Always inspect for fuel leaks after removing/installing fuel system components.

Be careful not to lift up the pipe on top of the fuel pump, not to press against parts when working with your hands, and not to leave tools or other items on top of parts.