Categories
Engine Lubrication

nsxb08008a.pdf

Oil Pump
Removal/lnspection/lnstallation
1. Drain the engine oil.
2. Remove the timing belt (see page 6-15(’91-’93)or(’94-’96)).
3. Remove the dipstick and the pipe.
4. Remove the oil filter assembly.
5. Remove the oil pan.
6. Remove the oil screen.
7. Remove the baffle plate,
8. Remove the oil pass pipe and the joint.
9. Remove the mounting bolts and the oil pump
assembly.
Replace.
O-RINGS
Replace.
OIL SCREEN
OIL PASS PIPE
AND JOINT
BAFFLE PLATE
OIL PUMP
10. Remove the nine screws from the pump housing,
then separate the housing and cover.
11. Check the inner-to-outer rotor radial clearance.
Inner-to-Outer Rotor Radial Clearance
Standard (New): 0.05 – 0.21 mm
(0.002 – 0.008 in)
Service Limit: 0.23 mm (0.009 in)
OUTER ROTOR
INNER ROTOR
12. Check the housing-to-rotor axial clearance.
Housing-to-Rotor Axial Clearance
Standard (New): 0.02 – 0.07 mm
(0.001 – 0.003 in)
Service Limit: 0.12 mm (0.005 in)
PUMP HOUSING
OUTER ROTOR

13. Check the housing-to-outer rotor radial clearance.
Housing-to-Rotor Radial Clearance
Standard (New): 0.11 – 0.20 mm
(0.004 – 0.008 in)
Service Limit: 0.21 mm (0.008 in)
OUTER ROTOR
PUMP HOUSING
14. Inspect both rotors and the pump housing for scoring
or other damage. Replace the oil pump assembly if
necessary.
1 5. Remove the old oil seal from the oil pump.
16. Gently tap in the new oil seal until the special tool
bottoms on the pump.
OIL SEAL DRIVER
07GAD-PH70201
OIL PUMP
17. Reassemble the oil pump. Apply liquid thread-lock
to the pump housing screws.
18. Check that the oil pump turns freely.
19. Apply a light coat of oil to the seal lip.
20. Install the two dowel pins and new O-ring on the
cylinder block.
21. Apply liquid gasket to the cylinder block mating
surface of the oil pump.
NOTE:
• Use liquid gasket, Part No. 08718-0001.
• Check that the mating surfaces are clean and
dry before applying liquid gasket.
• Apply liquid gasket evenly, in a narrow bead
centered on the mating surface.
• To prevent leakage of oil, apply liquid gasket to
the inner threads of the bolt holes.
PUMP HOUSING
Apply liquid
gasket along the
broken line.
Do not install the parts if five minutes or more
have elapsed since applying liquid gasket.
Instead reapply liquid gasket after removing old
residue.
After assembly, wait at least 20 minutes before
filling the engine with oil.

Oil Pump
Removal/lnspection/lnstallation
22. Install the oil pump on the cylinder block.
23. Install the oil pass pipe and joint.
24. Install the baffle plate.
25. Install the oil screen.
SPECIAL BOLTS
8 x 1.25 x 45 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
Replace.
DOWEL PINS
OIL PASS
PIPE AND JOINT
OIL PUMP
Apply liquid gasket to
cylinder block mating
surface.
6 x 1.0 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
OIL
SCREEN
BAFFLE
PLATE
6 x 1.0 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
26. Apply liquid gasket to the oil pump and left side
cover mating areas as shown below.
Apply liquid gasket
to these points.
OIL PUMP
Apply liquid gasket
to these points.
27. Install the oil pan gasket and oil pan.
NOTE: Use a new oil pan gasket.
CYLINDER
BLOCK
GASKET
Replace.
OIL PAN
LEFT
SIDE
COVER
SPECIAL BOLTS
6 x 1.0 mm
12 N-m (1.2 kg-m, 9 Ib-ft)
Replace.

28. Tighten bolts and nuts finger tight at six points as
shown below.
29. Starting with nut torque all bolts and nuts, in a
clockwise pattern in three steps.
NOTE: Excessive tightening can cause distortion of
oil pan gasket and oil leakage.
Torque: 14 N-m (1.4 kg-m, 10 lb-ft)

Attachments