Inspect Oil Jet; Inspect Relief Valve; Inspect Rotor Side Clearance; Inspect Rotor Tip Clearance - Toyota Celica 2000 Repair Manual

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LUBR!CATION
O!L PUMP
INSPECTION
1.

INSPECT OIL JET

Check the oil jet tor damage or clogging.
II necessary, replace the oil pump assembly.
2.

INSPECT RELIEF VALVE

Coat the valve with engine oil and check that it falls smoothly
into the valve hole by its own weight.
If it does not, replace the relief valve. If necessary, replace the
oil pump assembly.
3.

INSPECT ROTOR SIDE CLEARANCE

Using a feeler gauge and precision straight edge, measure the
clearance between the rotors and precision straight edge.
Standard side clearance:
0.030 -
o.oao
Maximum side clearance:
0.16 mm (0.0062 in.)
If the side clearance is greater than maximum, replace the ro �
tors as a seL lf necessary, replace the oil pump assembly.
4.

INSPECT ROTOR TIP CLEARANCE

Using a feeler gauge, measure the clearance between the drive
and driven rotor tips.
Standard tip clearance:
0.060 - 0.180 mm (0.0024 - 0.0071 in.)
Maximum tip clearance:
0.35 mm (0.0138 in.)
If the tip clearance is greater than maximum, replace the rotors
as a set.
000173
5. INSPECT ROTOR BODY CLEARANCE
Using a feeler gauge, measure the clearance between the driv �
en rotor and body.
Standard body clearance:
0.1 25 - 0.180 mm (0.00492 - 0.00709 in.)
Maximum body clearance:
0.325 mm (0.01280 in.)
If the body clearance is greater than maximum, replace the ro··
tors as a set. If necessary, replace the oll pump assembly.
mm (0.0012 - 0.0031 in.)
LU-11