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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Pump Unit Disassembly/Assembly
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Fuel Pump Unit Disassembly/Assembly

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 .)
    CAUTION:
    • Because the fuel surface is higher than the fuel pump unit installation surface, if the set plate is removed, it may result in fuel leakage. If the fuel gauge level indicates 3/4 or more, refer to the fuel draining procedure and drain 20 liters of fuel.
  2. Using the following procedure:

    Fuel gauge indicates 3/4 or more 

    1. Drain the fuel. (See FUEL DRAINING PROCEDURE .)

    Fuel gauge indicates less than 3/4 

    1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .))
  3. Remove the rear seat cushion. (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
  4. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)
  5. Disassemble in the order indicated in the table.
  6. Assemble in the reverse order of disassembly.
  7. Install in the reverse order of removal.
  8. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION .)

2WD 

Fig 1: Exploded View Of Fuel Pump (2WD) Unit
G11429523Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 Fuel gauge sender unit
2 Fuel filter (low-pressure)
3 Pressure regulator
4 Fuel pump
5 Fuel filter (high-pressure

AWD 

Fig 2: Exploded View Of Fuel Pump (AWD) Unit
G11429524Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 Fuel gauge sender unit
2 Fuel filter (low-pressure)
3 Pressure regulator
4 Fuel pump
5 Fuel filter (high-pressure)