Mazda 3 Service Manual: Before Service Precaution [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Fuel / Before Service Precaution [Mzr 2.0, Mzr 2.5]

WARNING:

Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”.
A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before performing work on the fuel system, discharge static electricity by touching the vehicle body.

Fuel Line Safety Procedure

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the fuel-filler cap to release the pressure inside the fuel tank.

4. Remove the fuel pump relay.

5. Connect the negative battery cable..

6. Start the engine.

7. After the engine stalls, crank the engine 2—3 times.

8. Switch the ignition to off.

9. Disconnect the negative battery cable..

10. Install the fuel pump relay.

After Service Precaution [Mzr 2.0, Mzr 2.5]

WARNING: Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. When installing the fuel hose, perform “Fuel Leakage Inspection” desc ...

Fuel Filler Cap Inspection [Mzr 2.0, Mzr 2.5]

Leakage Inspection 1. Perform the following SST (Evaporative Emission System Tester 134-01049A) self-test: NOTE: If the tester does not work correctly during self-test, refer to the teste ...

Other materials:

Vacuum Pump Inspection [Skyactiv G 2.0]
1. Pinch open the clamp using pliers and disconnect the vacuum hose from the vacuum pump. 2. Install the vacuum gauge as shown in the figure, then check the vacuum. 3. Warn up the engine. If the pressure is less than the specification, inspect for the following. M ...

Spark Plug Removal/Installation [Skyactiv G 2.0]
CAUTION: If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove the ...

Seat Belt Inspection
Belt 1. Verify that the belt is installed properly with no twists or kinks. 2. Verify that there is no damage to the seat belt and no deformation of the metal fittings. If there is any malfunction, replace the seat belt. ELR Except 5HB (rear center seat belt) 1. Verify tha ...