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High Pressure Fuel Pump 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:
  • Do not disassemble the high pressure fuel pump.
  • Do not damage the sealing surface or the lock part of the fuel pipe.
    G09074941Courtesy of MAZDA MOTORS CORP.
  • Damage or deformation to the end of the high pressure line pipe may cause fuel leakage.
  • Disconnecting/connecting the quick release connector without cleaning it may cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting using a cloth or soft brush, and make sure that it is free of foreign material.
  1. Complete the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION .)
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  4. Remove the air cleaner, air hose and fresh air duct as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  5. Remove the battery. (See BATTERY REMOVAL/INSTALLATION .)
  6. Remove the air inlet pipe. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  7. Remove in the order indicated in the table.
    NOTE:
    • Only when the high pressure fuel pump is removed, the rear housing does not have to be removed.
  8. Install in the reverse order of removal.
  9. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION .)
  10. Complete the "Fuel Leakage Inspection After High Pressure Fuel Pump Installation". (See Fuel Leakage Inspection After High Pressure Fuel Pump Installation .)
    Fig 1: High Pressure Fuel Pump Components With Torque Specification
    G11436391Courtesy of MAZDA MOTORS CORP.
PART DESCRIPTION

1 Air pipe bracket
2 Protector)
See Protector Removal Note .)
(See Protector Installation Note .)
3 Quick release connector
(See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION .)
4 High pressure fuel pump connector
5 Low fuel pressure sensor/fuel temperature sensor connector
6 High pressure fuel pipe)
See High Pressure Fuel Pipe Removal Note .)
(See High Pressure Fuel Pipe Installation Note .)
7 High pressure fuel pump
(See High Pressure Fuel Pump Installation Note .)
8 Seal rubber
9 O-ring
10 Tension collar
11 Rear housing)
See Rear Housing Removal Note .)
(See Rear Housing Installation Note .)