Acura 3.5 RL Manual page 257

Oil Pump
Removal/lnspection/lnstallation (cont'd)
5. Remove the balancer shaft holder (see page 7-3).
6. Remove the oil pan assembly.
7. Remove the oil pump.
O-RINGS
Replace.
OIL PUMP
DOWEL
PIN
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
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.
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)
ROTOR
INNER ROTOR
HOUSING