Engine Fuel System Service Precautions
WARNING:
Before attempting service of any type on fuel system, the following cautions should be always observed.
- Disconnect negative cable at battery.
- DO NOT smoke, and place "NO SMOKING" signs near work area.
- Be sure to have CO2 fire extinguisher handy.
- Be sure to perform work in a well-ventilated area and away from any open flames (such as gas hot heater).
- Wear safety glasses.
- To release fuel vapor pressure in fuel tank, remove fuel filter cap from fuel filler neck then reinstall it.
- As fuel feed line is still under high fuel pressure even after engine was stopped, loosening or disconnecting fuel feed line directly may cause dangerous spout of fuel to occur where loosened or disconnected. Before loosening or disconnecting fuel feed line, make sure to release fuel pressure referring to FUEL PRESSURE RELIEF PROCEDURE .
- As small amount of fuel may be released after the fuel line is disconnected.
In order to reduce the chance of personal injury, cover the fitting to be disconnected with a shop cloth. Put that cloth in an approved container when disconnection is completed.
- Note that fuel hose connection varies with each type of pipe. Be sure to connect and clamp each hose correctly referring to the following.
- When performing any work that requires to lift up vehicle, check fuel hose clamp for rust.
- For other information, refer to PRECAUTIONS ON FUEL SYSTEM SERVICE