### Oil Pump

#### REMOVAL AND INSTALLATION

##### 1.6L (GA16DE) Engine

CAUTION
Fuel injection systems remain under pressure after the engine has been turned OFF. Properly relieve fuel pressure before disconnecting any fuel lines. Failure to do so may result in fire or personal injury.

1. Disconnect the negative battery cable.
2. Raise and safely support the vehicle.
3. Remove the engine undercovers and drain the oil.
4. Drain the cooling system.
5. Remove the engine center member and the front exhaust pipe.
6. Remove the oil pan and the oil strainer.
7. Lower the vehicle and remove the drive belts.
8. Remove the cylinder head and the upper timing chain.
9. Support the engine assembly with a jack and remove the front engine mount.
10. Remove the crankshaft pulley.
11. Remove the front cover mounting bolts, the front cover, and the oil pump assembly from the inside of the front cover.

    To install:

12. Coat the oil pump gears with oil. Install the oil pump to the front cover. Torque the oil pump mounting bolts to 56-73 inch lbs. (7-8 Nm). Torque the oil pump mounting screws to 33-44 inch lbs. (4-5 Nm).
13. Clean the mating surfaces of liquid gasket and apply a fresh bead of 1⁄8 in. (3mm) thickness.
14. Using a new oil seal and O-ring, install the front cover assembly.
15. Install the oil strainer and the oil pan.
16. The balance of installation is the reverse of the removal procedure.
17. Prime the oil pump prior to initial engine start-up. The oil pump can be primed by disabling the ignition system and cranking the engine for a few seconds.
18. Start the engine, check for leaks, and verify that the oil pressure is within specifications.
19. Bleed the cooling system, check and/or adjust the ignition timing, and road test the vehicle.

##### 2.0L (SR20DE) Engine

1. Disconnect the negative battery cable.
2. Drain the engine oil and coolant.
3. Remove the cylinder head assembly.
4. Raise and support the vehicle safely.
5. Remove the oil pan, oil strainer, and the baffle plate.
6. Remove the crankshaft pulley using a suitable puller.
7. Support the engine and remove the front engine mount.
8. Loosen the front cover bolts in 2 or 3 steps and remove the front cover.
9. Remove the oil pump mounting hardware, from the front cover.

   To install:

10. Install the outer gear into the cavity. Make sure the gears mesh properly and prime the oil pump with clean engine oil.
11. Install the oil pump cover. Torque the retaining screws to 33-44 inch lbs. (4-5 Nm) and the bolts to 56-66 inch lbs. (7 Nm).
12. Clean all mating surfaces of liquid gasket material.
13. Apply a continuous bead of liquid gasket to the mating surface of the timing cover. Install the oil pump drive spacer and front cover. Tighten front cover bolts (in steps) to 5-6 ft. lbs. (6-8 Nm). Wipe excess liquid gasket material.

    Fig. 1: Applying sealant to the front cover -- 2.0L (SR20DE) engine

14. Install front engine mount.
15. Install crankshaft pulley and tighten bolt to 105-112 ft. lbs. (142-152 Nm).
16. Install the oil strainer, baffle, and the oil pan.
17. Install the cylinder head assembly.
18. Lower the vehicle and connect the negative battery cable. Refill the fluid levels, start the engine, and check for leaks. Remember to bleed the cooling system. Verify correct oil pressure and road test the vehicle for proper operation.

##### 2.4L (KA24DE) Engine

1. Disconnect the negative battery cable.
2. Drain the engine oil and coolant.
3. Remove the drive belts.
4. Remove the alternator and mounting bracket.
5. Remove the water pump assembly.
6. Remove the breather separator assembly from the timing cover.
7. Remove the oil pan, oil strainer, and the baffle plate.
8. Remove the crankshaft pulley using a suitable puller.
9. Support the engine and remove the front engine mount.
10. Remove the valve cover assembly.
11. Remove the camshaft sprocket cover.
12. Remove the front timing cover assembly (oil pump assembly is mounted in the front cover).
13. Remove the oil pump cover and remove the gears from the front cover housing.

    To install:

    NOTE: When installing the timing cover, be sure to replace the O-ring seal for the oil hole in the front cover.

14. Install the outer gear into the cavity in the front cover housing. Make sure the gears mesh properly and prime the oil pump with clean engine oil.
15. Install the oil pump cover. Torque the retaining screws to 33-44 inch lbs. (3.7-5.0 Nm) and torque the bolts to 12-15 inch lbs. (16-21 Nm).
16. Clean the mating surfaces of liquid gasket and apply a continuous bead of 0.079-0.118 in. (3mm) thickness of liquid sealer to the mating surfaces of the timing cover.
17. Install the timing cover assembly.
18. Torque the M6 mounting bolts to 56-66 inch lbs. (6.4-7.5 Nm) and torque the M8 mounting bolts to 12-14 ft. lbs. (15-19 Nm).
19. Clean the mating surfaces of liquid gasket and apply a continuous bead of 0.079-0.118 in. (3mm) thickness of liquid sealer to the mating surfaces of the camshaft sprocket cover.
20. Install the camshaft sprocket cover.
21. Torque the M6 mounting bolts to 56-66 inch lbs. (6.4-7.5 Nm) and torque the M8 mounting bolts to 12-14 ft. lbs. (15-19 Nm).
22. Install the front engine mount.
23. Install crankshaft pulley and tighten bolt to 105-112 ft. lbs. (142-152 Nm).
24. The remaining components are installed in the reverse order from which they were removed.
25. Refill the engine with oil and coolant. Start the engine and check for leaks.
26. Remember to bleed the cooling system. Verify correct oil pressure and road test the vehicle for proper operation.

##### 1993-94 3.0L (VE30DE, VG30DE, VG30E and VG30DETT) Engines

The oil pump is an integral part of the front cover.

1. Remove all accessory drive belts and the alternator.
2. Remove the cylinder heads.
3. Unbolt the engine from its mounts and raise the engine up from the unibody.
4. Remove the crankshaft damper-to-crankshaft bolt and the damper.
5. Drain the engine oil and remove the oil pan.
6. Remove the oil strainer-to-engine bolt, oil strainer-to-oil pump bolts and the strainer.
7. Remove the front cover-to-engine bolts and the front cover.
8. Remove the oil pump assembly-to-engine bolts, along with the oil strainer, and remove the assembly from the engine.
9. Clean the gasket mating surfaces.

   To install:

10. Pack the oil pump full of petroleum jelly to prevent the pump from cavitating when the engine is started.
11. Apply a bead of liquid sealant to the front cover mating surfaces.
12. Install the front cover and torque the front cover-to-engine bolts to 4.6-6.1 ft. lbs. (6.3-8.3 Nm) except for bolt above oil filter housing and 12-15 ft. lbs. (16-21 Nm) for bolt above oil filter housing.
13. Using a new gasket, install the strainer and torque the strainer-to-front cover bolts to 12-15 ft. lbs. (16-21 Nm) and the strainer-to-engine bolt to 4.6-6.1 ft. lbs. (6.3-8.3 Nm).
14. Install the oil pan.
15. Install the cylinder heads.
16. Install the alternator and all drive belts. Reconnect the negative battery cable.
17. Start engine, check ignition timing and check for oil leaks.

##### 3.0L (VQ30DE) Engine

NOTE: The oil pump bolts to the front of the engine block and is driven by the crankshaft. Removal of the timing cover and chains are necessary for oil pump service.

1. Disconnect the negative battery cable and drain the engine oil.
2. Rotate the engine and position it to TDC compression stroke of cylinder No. 1.
3. Remove the drive belts.
4. Remove the camshaft position sensor (PHASE) and the crankshaft position sensor (REF/POS).
5. Remove the right front wheel and inner fender cover.
6. Remove the engine undercovers.
7. Remove the bolt that secures the crankshaft pulley and remove the pulley.
8. Remove the front exhaust pipe and its support.
9. Support the engine at the left and right side slingers with a suitable hoist.
10. Remove the engine right side mounting insulator and bracket nuts and bolts.
11. Remove the center crossmember assembly.
12. If equipped, remove the A/C compressor and the mounting bracket.
13. Remove the lower and upper oil pans.
14. Remove the oil strainer from the oil pump.
15. Remove the water pump cover and remove the front cover assembly.
16. Remove the lower timing chain assembly.
17. Remove the bolts that secure the oil pump to the engine block and remove the oil pump.

    To install:

    NOTE: When installing the oil pump, be sure to apply engine oil to the gears.

18. Install the oil pump to the engine block. Tighten the mounting bolts to 57 inch lbs. (6.5 Nm) and tighten the mounting screws to 33-44 inch lbs. (4-5 Nm).
19. Install the lower timing chain assembly.
20. Install the front timing cover and water pump covers.
21. Using a new gasket, install the oil strainer and tighten the mounting bolts to 12-14 ft. lbs. (16-19 Nm).
22. Install the upper and lower oil pans. Be sure to use new O-rings at the oil pump to upper oil pan mating surface.
23. If removed, install the A/C compressor mounting bracket and the install the compressor.
24. Install the remaining components in the reverse order of removal.
25. Install and adjust the engine drive belts.
26. Refill the engine oil with the proper type and amount.
27. Start the engine, check the oil pressure, and check for oil leaks.

##### 1995-97 3.0L (VG30DE and VG30DETT) Engine

1. Disconnect the negative battery cable.
2. Position the engine to TDC of compression stroke.
3. Remove the engine undercover.
4. Remove all accessory drive belts and remove the alternator from the vehicle.
5. Remove the crankshaft damper bolt and remove the damper.
6. Remove the timing belt covers and remove the timing belt.
7. Remove the crankshaft sprocket and the timing belt plates.
8. Drain the engine oil and remove the oil pan.
9. Remove the oil strainer (pick-up) support bracket bolts and remove the bolts that secure to strainer to the oil pump.
10. Remove the strainer from the oil pump and discard the O-ring.
11. Remove the oil pump bolts and remove the pump assembly from the engine.
12. Clean the gasket mating surfaces.

    To install:

    NOTE: Lubricate the oil pump prior to installation and prime the oil pump before initial engine start-up.

13. Using a new gaskets, install the oil pump and torque the oil pump mounting bolts to 55-73 inch lbs. (6.3-8.3 Nm) except for the two bolts closest to the oil pan. Torque the two longer bolts closest to the oil pan to 16-22 ft. lbs. (16-21 Nm).
14. Using a new O-ring, install the strainer and torque the strainer-to-front cover (oil pump) bolts to 12-15 ft. lbs. (16-21 Nm) and the strainer-to-engine bolt to 55-73 inch lbs. (6.3-8.3 Nm).
15. Using liquid gasket, install the oil pan and tighten the mounting bolts to 22-29 ft. lbs. (29-39 Nm).
16. Install the crankshaft sprocket and the timing belt plates.
17. Install the timing belt and the timing belt covers.
18. Install the crankshaft damper and tighten the mounting bolt to 159-174 ft. lbs. (216-235 Nm).
19. Install the remaining components in the opposite order from which they were removed.
20. After verifying there is oil pressure, enable the ignition system.
21. Start the engine, check the ignition timing, and check for oil leaks. Verify proper oil pressure.