2016 Mazda 5 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Oil Pump Removal/Installation: Notes

WARNING:
  • Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled.
  • A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work around or under a lifted vehicle if it is not securely supported on safety stands.
  • Continuous exposure to USED engine oil has caused skin cancer in laboratory mice. Protect your skin by washing with soap and water immediately after working with engine oil.
  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION .)
  2. Disconnect the negative battery cable.
  3. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  4. Disconnect the wiring harness.
  5. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION .)
  6. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION .)
  7. Remove the ventilation hose.
  8. Remove the coolant reserve tank with the hose still connected and set it out of the way. (See COOLANT RESERVE TANK REMOVAL/INSTALLATION .)
  9. Remove the front wheel and tire. (RH) (See GENERAL PROCEDURES (SUSPENSION) .)
  10. Remove the aerodynamic under cover and splash shield as a single unit. (See AERODYNAMIC UNDER COVER REMOVAL/INSTALLATION .) (See SPLASH SHIELD REMOVAL/INSTALLATION .)
  11. Drain the engine oil. (See ENGINE OIL REPLACEMENT .)
  12. Remove the nut shown in the figure and set the power steering pipe component out of the way.
    Fig 1: Power Steering Pipe Component Nut With Torque Specification
    G13726671Courtesy of MAZDA MOTORS CORP.
  13. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION .)
  14. Remove the crankshaft position (CKP) sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
  15. Disconnect the drive shaft (RH) from joint shaft, set the drive shaft (RH) out of the way. (MTX) (See DRIVE SHAFT REMOVAL/INSTALLATION .)
  16. Remove the engine front cover. (See TIMING CHAIN REMOVAL/INSTALLATION .)
  17. Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION .)
  18. Remove in the order indicated in the table.
  19. Install in the reverse order of removal.
  20. Refill with the specified type and amount of the engine oil. (See ENGINE OIL REPLACEMENT .)
  21. Start the engine and confirm that there is no oil leakage.
    • If there is oil leakage, repair or replace the applicable part.
  22. Inspect the oil level. (See ENGINE OIL LEVEL INSPECTION .)
  23. Inspect for the ignition timing and idle speed. (See ENGINE TUNE-UP .)
  24. Inspect the oil pressure. (See OIL PRESSURE INSPECTION .)
Fig 2: Oil Pump Components With Torque Specification
G13726672Courtesy of MAZDA MOTORS CORP.
PART DESCRIPTION

1 Oil strainer
2 Oil pump chain tensioner
3 Oil pump chain
4 Oil pump sprocket
(See OIL PUMP SPROCKET REMOVAL/INSTALLATION NOTE .)
5 Oil pump
(See OIL PUMP INSTALLATION NOTE .)
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.