OIL PUMP REMOVAL/INSTALLATION [MZR-CD 2.2]

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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.  Complete the “BEFORE SERVICE PRECAUTION”. (See BEFORE SERVICE PRECAUTION [MZR-CD 2.2].)

2.  Drain the engine oil. (See ENGINE OIL REPLACEMENT [MZR-CD 2.2].)

3.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)

4.  Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZR-CD 2.2].)

5.  Disconnect the ventilation hose.

6.  Disconnect the following parts and set the fuel injector wiring harness out of the way.

•  Fuel injector connector
•  Boost sensor connector
•  Fuel pressure sensor connector
•  EGR cooler bypass valve control solenoid valve connector
•  Front harness-short cord connector
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7.  Remove the fuel injectors. (See FUEL INJECTOR REMOVAL/INSTALLATION [MZR-CD 2.2].)

8.  Remove the camshaft position sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZR-CD 2.2].)

9.  Remove the front wheel and tire. (RH) (See GENERAL PROCEDURES (SUSPENSION).)

10.  Remove the aerodynamic under cover No.2 and splash shield as a single unit. (See AERODYNAMIC UNDER COVER NO.2 REMOVAL/INSTALLATION.) (See SPLASH SHIELD REMOVAL/INSTALLATION.)

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

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12.  Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION [MZR-CD 2.2].)

13.  Remove the crankshaft position sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [MZR-CD 2.2].)

14.  Remove the fuel filter component with the hose still connected and set it out of the way. (L.H.D.) (See FUEL FILTER REMOVAL/INSTALLATION [MZR-CD 2.2].)

15.  Remove the coolant reserve tank with the hose still connected and set it out of the way. (See COOLANT RESERVE TANK REMOVAL/INSTALLATION [MZR-CD 2.2].)

16.  Remove the engine front cover. (See TIMING CHAIN REMOVAL/INSTALLATION [MZR-CD 2.2].)

17.  Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION [MZR-CD 2.2].)

18.  Remove in the order indicated in the table.

19.  Install in the reverse order of removal.

20.  Complete the “AFTER SERVICE PRECAUTION’’. (See AFTER SERVICE PRECAUTION [MZR-CD 2.2].)

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.

•  Verify that the oil level is between the F and L marks on the dipstick.

23.  Inspect for the idle speed. (See ENGINE TUNE-UP [MZR-CD 2.2].)

24.  Inspect the oil pressure. (See OIL PRESSURE INSPECTION [MZR-CD 2.2].)

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1
Balancer chain tensioner
(See Balancer Chain Tensioner Removal Note.)
(See Balancer Chain Tensioner Installation Note.)
2
Balancer chain tensioner arm
3
Balancer sprocket
(See Balancer Sprocket Removal Note.)
(See Balancer Sprocket Installation Note.)
4
Balancer component
5
Oil pump
(See Oil Pump Installation Note.)


Balancer Chain Tensioner Removal Note

1.  Press back the plunger for the balancer chain tensioner slowly in the direction shown in the figure.

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2.  While holding the balancer chain tensioner plunger, insert the hexagonal wrench into the position shown in the figure and secure the plunger.

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3.  Remove the balancer chain tensioner.


Balancer Sprocket Removal Note

1.  Hold the balancer shaft using a wrench on the cast hexagon and loosen the balancer sprocket lock bolt.

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2.  Remove the balancer sprocket.


Oil Pump Installation Note

1.  Tighten the oil pump installation bolts in the order shown in the figure.

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Tightening torque
19—24 N·m {2.0—2.4 kgf·m, 15—17 ft·lbf}


Balancer Sprocket Installation Note

Note
•  The reference and the 12th external link are the balancer chain alignment marks.
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1.  Rotate the crankshaft until the exhaust camshaft and the crankshaft sprocket alignment marks are in the positions shown in the figure. (No.2 piston is at TDC.)

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2.  Set the balancer chain to the balancer chain drive gear so that the balancer chain alignment mark (gold colored link) aligns with the balancer chain drive gear alignment mark.

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3.  Install the balancer sprocket to the balancer chain so that the balancer sprocket alignment mark aligns with the balancer chain alignment mark (gold colored link).

4.  Install the balancer sprocket to the balancer unit and temporarily install the balancer sprocket lock bolt.

5.  Secure the balancer shaft using a wrench on the cast hexagon.

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6.  Tighten the balancer sprocket lock bolt.

Tightening torque
123—140 N·m {13—14 kgf·m, 91—103 ft·lbf}


Balancer Chain Tensioner Installation Note

1.  Install the balancer chain tensioner.

2.  Remove the hexagonal wrench which has been installed to secure the plunger.