Mazda 3 manuals

Mazda 3 Service Manual: Oil Pump Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Drivetrain / Transmission/Transaxle / Automatic / Oil Pump Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Disconnect the wiring harness.

5. Remove the ignition coils..

6. Remove the spark plugs..

7. Remove the ventilation hose.

8. Remove the coolant reserve tank with the hose still connected and set it out of the way..

9. Remove the front wheel and tire. (RH).

10. Remove the aerodynamic under cover No.2 and splash shield as a single unit..

11. Drain the engine oil..

12. Remove the nut shown in the figure and set the power steering pipe component out of the way.

MZR 2.0


MZR 2.5


13. Remove the drive belt..

14. Remove the crankshaft position (CKP) sensor..

15. Remove the A/C compressor with the cooler hose still connected and secure it using wire or rope so that it is out of the way. (MZR 2.0).

16. Disconnect the drive shaft (RH) from joint shaft, set the drive shaft (RH) out of the way. (MTX).

17. Remove the engine front cover..

18. Remove the oil pan..

19. Remove in the order indicated in the table.

20. Install in the reverse order of removal.

21. Refill with the specified type and amount of the engine oil..

22. Start the engine and confirm that there is no oil leakage.

23. Inspect the oil level..

24. Inspect for the ignition timing and idle speed..

25. Inspect the oil pressure..



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.)


Oil Pump Sprocket Removal/Installation Note

1. Temporarily install the crankshaft pulley and crankshaft pulley lock bolt to the crankshaft, and lock the oil pump against rotation as shown in figure.


2. Remove/install the oil pump sprocket, and then remove the crankshaft pulley and crankshaft pulley lock bolt.

Oil Pump Installation Note

1. Tighten the oil pump bolts in two steps in the order shown in the figure.


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