Acura RL (1996-2004 year). Manual — part 352
Oil Pump
Removal/lnspection/lnstallation (cont'd)
5. Remove the balancer shaft holder (see page
).
6. Remove the oil pan assembly.
7. Remove the oil pump.
O-RINGS
Replace.
OIL PUMP
DOWEL
PIN
ROTOR
HOUSING
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)
10. Check the housing-to-rotor axial clearance on the
pump rotor. If the housing-to-rotor axial clearance
exceeds the service limit, replace the set of inner
and outer rotors and/or the pump housing.
8. Remove the screws from the pump housing, then
separate the housing and cover.
9. Check the inner-to-outer rotor radial clearance on
the pump rotor. If the inner-to-outer rotor clearance
exceeds the service limit, replace the inner and outer
rotors.
Inner Rotor-to-Outer Rotor Radial Clearance
Standard (New): 0.02 - 0.16 mm
(0.001 - 0.006 in)
Service Limit: 0.20 mm (0.008 in)
OUTER ROTOR
INNER ROTOR
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11. Check the housing-to-outer rotor radial clearance. If
the housing-to-outer rotor radial clearance exceeds
the service limit, replace the set of inner and outer
rotors and/or the pump housing.
Housing-to-Outer Rotor Radial Clearance
Standard (New): 0.10-0.18 mm
(0.004-0.007 in)
Service Limit: 0.20 mm (0.008 in)
HOUSING
12. Inspect both rotors and the pump housing for scor-
ing or other damage. Replace parts if necessary.
13. Remove the old oil seal from the oil pump.
14. Using the special tool, gently tap in the new crank-
shaft oil seal until the tool bottoms on the pump.
OUTER ROTOR
DRIVER
ATTACHMENT,
62 x 68 mm
Apply liquid gasket
along the broken line.
O-RING
GROOVE
OIL PUMP HOUSING
15. Reassemble the oil pump, applying liquid thread
lock to the pump housing screws.
16. Check that the oil pump turns freely.
17. Apply a light coat of oil to the seal lip.
18. Install the two dowel pins and new O-ring on the
cylinder block.
19. Apply liquid gasket to the cylinder block mating sur-
face of the oil pump.
NOTE:
• Use liquid gasket, Part No. 08718 - 0001 or 08718
- 0003.
• Check that the mating surfaces are clean and dry
before applying liquid gasket.
• Apply liquid gasket evenly, in a narrow bead cen-
tered on the mating surface.
• Do not apply liquid gasket to the O-ring grooves.
• To prevent leakage, apply liquid gasket to the
inner threads of the bolt holes.
• 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 30 minutes before
filling the engine with oil.
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Oil Pump
Removal/lnspection/lnstallation (cont'd)
20. Install the oil pump to the cylinder block.
OIL PUMP
O-RINGS
Replace.
DOWEL PIN
DOWEL PIN
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
8 x 1.25 mm
22 N-m (2.2 kgf-m,
16 Ibf-ft)
21. Install the oil pan (see page
).
22. Apply engine oil to the balancer shaft, then insert
the balancer shaft.
NOTE: Take care not to damage the journals when
installing the balancer shaft.
BALANCER
SHAFT
O-RING
Replace.
BALANCER SHAFT
REAR COVER
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
23. Install the balancer shaft holder (see page
).
NOTE: Apply liquid gasket around the oil hole to
the block mating surface.
24. Install the rear balancer weight.
25. Hold the balancer shaft as shown below, then tighten
the bolt.
8 x 1.25 mm
25 N-m (2.5 kgf-m,
18 Ibf-ft)
26. Install the balancer shaft rear cover.
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31. Remove the 6 mm bolt. Install the sealing bolt in the
maintenance hole. Use a new washer.
Apply liquid gasket
along the broken line.
O-RING
GROOVE
27. Align the maintenance hole and the balancer shaft
hole. Insert a 6 mm bolt that is at least 45 mm (1.8
in) long into the balancer shaft.
6 mm BOLT
45 mm (1.8 in) or longer
BALANCER
SHAFT
12 mm SEALING BOLT
20 N-m (2.0 kgf-m, 14 Ibf-ft)
WASHER
Replace.
28. Apply liquid gasket to the oil pump mating surface
of the balancer gear case.
BALANCER
GEAR CASE
29. Install the balancer gear case.
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
BALANCER
GEAR CASE
DOWEL
PIN
O-RING
Replace.
30. Check alignment of the pointers after installing the
balancer gear case.
BALANCER BELT
DRIVEN PULLEY
POINTER
BALANCER GEAR
CASE POINTER
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