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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (VIN M) >> Fuel Pump Unit Disassembly/Assembly >> Notes
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Fuel Pump Unit Disassembly/Assembly: Notes

Replacement Part 

O-ring
Quantity: 2
Location of use: Pressure regulator
O-ring
Quantity: 1
Location of use: Fuel pump
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 performing work on the fuel system, discharge static electricity by touching the vehicle body.
CAUTION:
  • 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. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)
  3. Disassemble in the order indicated in the table.
  4. Assemble in the reverse order of disassembly.
  5. Install in the reverse order of removal.
  6. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION .)