Procedures
Engine: Service Precautions



DUST COVERS AND CAPS Special Tools: Due to the high amounts of failures cased by dust, dirt, moisture and other foreign debris being introduced to the engine during service. Covers or caps are needed to reduce the possible damage that can be caused or created. Covers over openings will reduce any possibilities for foreign materials to enter the engine systems. Using miller tool (10368), Select the appropriated cover needed to the procedure.
Tune-up and Engine Performance Checks: Service Precautions






TUNE-UP SERVICE PRECAUTIONS -Tag or mark vacuum hoses before disconnecting them. After completing a job, double check that the vacuum hoses are properly connected. -To disconnect vacuum hoses, pull on the end, not the middle of the hose. -To pull apart electrical connectors, pull on the connector itself, not the wires. -Before disconnecting pressurized fuel lines, always perform Fuel Pressure Release procedure in order to reduce the risk of fire and personal injury. -When replacing fuel filters, always check all affected lines and fittings for leaks. -Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. -To prevent serious burns: -Avoid contact with hot metal parts. -Do not remove the radiator cap when the engine is hot. -Before servicing the vehicle: -Protect fenders, upholstery and carpeting with appropriate covers. -Take caution that keys, buckles, or buttons do not scratch paint. -Do not operate the engine indoors without proper ventilation. -Do not smoke while working on the vehicle.