Nissan Altima L32. Instruction — part 917

LU-14

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OIL PUMP

• Install the inner rotor and outer rotor with the punched marks on

the oil pump cover side.

CAUTION:

Before assembly apply new engine oil to the parts as speci-

fied.

PBIC0255E

OIL COOLER

LU-15

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OIL COOLER

Removal and Installation

INFOID:0000000004202502

WARNING:

Be careful not to get burned, engine coolant and engine oil may be hot.

CAUTION:

• When removing oil cooler, prepare a shop cloth to absorb any engine oil leakage or spillage.

• Completely wipe off any engine oil that adheres to the engine and the vehicle.

REMOVAL

1. Drain engine oil. Refer to

LU-10, "Changing Engine Oil"

.

2. Drain engine coolant. Refer to

CO-12, "Changing Engine Coolant"

.

CAUTION:

Do not spill coolant on the drive belt.

3. Disconnect water hoses from oil cooler.

NOTE:

For reference during installation, put matching marks on oil cooler hoses.

4. Remove oil cooler.

INSPECTION AFTER REMOVAL

1. Check oil cooler for cracks.
2. Check oil cooler for clogging by blowing through coolant inlet. If necessary, replace oil cooler assembly.

INSTALLATION

Installation is in the reverse order of removal.

ALBIA0538GB

1.

Oil pressure switch

2.

Oil cooler

3.

Gasket

4.

Water hose (outlet)

5.

Water hose (inlet)

A.

To water control valve housing

B.

To heater pipe assembly

C.

Hose clamp

D.

Clip

LU-16

< ON-VEHICLE REPAIR >

[QR25DE]

OIL COOLER

• Remove any old liquid gasket adhering to the oil pressure switch and oil cooler before installing the oil pres-

sure switch.

INSPECTION AFTER INSTALLATION

Start engine and check for leaks of engine oil or coolant.

SERVICE DATA AND SPECIFICATIONS (SDS)

LU-17

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Oil Pressure

INFOID:0000000004202503

Oil Pump

INFOID:0000000004202504

Unit: mm (in)

Regulator Valve

INFOID:0000000004202505

Unit: mm (in)

Oil Capacity

INFOID:0000000004202506

Unit: (US qt, Imp qt)

Engine speed

rpm

Approximate discharge pressure

kPa (kg/cm

2

, psi)

Idle speed

More than 98 (1.0, 14)

2,000

294 (3.0, 43)

6,000

392 (4.0, 57)

Body to outer rotor radial clearance

0.114 - 0.179 (0.0045 - 0.0070)

Inner rotor to outer rotor tip clearance

0.170 - 0.220 (0.0067 - 0.0087)

Body to inner rotor axial clearance

0.030 - 0.070 (0.0012 - 0.0028)

Body to outer rotor axial clearance

0.060 - 0.110 (0.0024 - 0.0043)

Inner rotor to brazed portion of housing clearance

0.035 - 0.070 (0.0014 - 0.0028)

Regulator valve to oil pump cover clearance

0.040 - 0.097 (0.0016 - 0.0038)

Drain and refill

With oil filter change

Approximately 4.6 (4 7/8, 4)

Without oil filter change

Approximately 4.3 (4 1/2, 3 3/4)

Dry engine (engine overhaul)

Approximately 5.4 (5 3/4, 4 3/4)