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Fuel Injector Removal/Installation: Notes

WARNING:
  • Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, always complete the "FUEL LINE SAFETY PROCEDURE " to prevent the fuel from spraying.
    • Fuel may cause irritation if it comes in contact with skin and eyes.
    • If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
  • A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before draining fuel, make sure to discharge static electricity by touching the vehicle body.
CAUTION:
  • Touching the end of the fuel injector by hand or pressing it to an object may cause a malfunction, Be very careful when handling the end of the fuel injector.
  • When the fuel distributor is removed, air tightness of the fuel injector will be lost. Always replace the stopper ring, O-ring, back-up ring, spacer, and teflon seal of the fuel injector with new ones.
  • Do not remove the fuel pressure sensor from the fuel distributor.
  1. Complete the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION [SKYACTIV-G 2.5T] .)]
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
  4. Remove in the order indicated in the table.
  5. Install in the reverse order of removal.
  6. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION [SKYACTIV-G 2.5T] .)
Fig 1: Fuel Injector Components With Torque Specification
G12230165Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 High fuel pressure sensor connector
2 Fuel injector connector
3 Fuel distributor
(See Fuel Distributor Removal Note .)
(See Fuel Distributor Installation Note .)
4 Fuel injector
(See Fuel Injector Installation Note .)
5 Spacer
(See Spacer Installation Note .)
6 Stopper ring
(See Stopper Ring Removal Note .)
(See Stopper Ring Installation Note .)
7 O-ring
8 Back-up ring
(See Back-up Ring Installation Note .)
9 Teflon seal
(See Teflon Seal Removal Note .)
(See Teflon Seal Installation Note .)