ENGINE LUBRICATION SYSTEM — Oil Pump (Cont'd) — DISASSEMBLY AND ASSEMBLY

LC-5prose procedure

Oil Pump (Cont'd)

Parts DiagramFig. fig1

#	Part Name	Notes / Torque
1	Oil pump body	—
2	Cover	Torque: 4-5 N·m (0.4-0.5 kg-m, 2.9-3.6 ft-lb)
3	Inner gear	—
4	Outer gear	—
5	Regulator valve	Part of regulator valve set
6	O-ring	Part of regulator valve set
7	Spring	Part of regulator valve set
8	Washer	Part of regulator valve set
9	Cap	Torque: 39-69 N·m (4.0-7.0 kg-m, 29-51 ft-lb); Part of regulator valve set

Cover bolt torque

4-5N·m

Cover bolt torque

0.4-0.5kg-m

Cover bolt torque

2.9-3.6ft-lb

Regulator valve cap torque

39-69N·m

Regulator valve cap torque

4.0-7.0kg-m

Regulator valve cap torque

29-51ft-lb

NOTE

When installing oil pump, apply engine oil to inner and outer gear.

NOTE

Be sure that O-ring is properly fitted.

Using a feeler gauge, check the following clearances.

Measurement	Value — Unit: mm (in)
Body to outer gear clearance (1)	0.11 - 0.20 (0.0043 - 0.0079)
Inner gear to crescent clearance (2)	0.15 - 0.26 (0.0059 - 0.0102)
Outer gear to crescent clearance (3)	0.21 - 0.32 (0.0083 - 0.0126)
Housing to inner gear clearance (4)	0.05 - 0.09 (0.0020 - 0.0035)
Housing to outer gear clearance (5)	0.05 - 0.11 (0.0020 - 0.0043)

Body to outer gear clearance (1)

Value — Unit: mm (in)0.11 - 0.20 (0.0043 - 0.0079)

Inner gear to crescent clearance (2)

Value — Unit: mm (in)0.15 - 0.26 (0.0059 - 0.0102)

Outer gear to crescent clearance (3)

Value — Unit: mm (in)0.21 - 0.32 (0.0083 - 0.0126)

Housing to inner gear clearance (4)

Value — Unit: mm (in)0.05 - 0.09 (0.0020 - 0.0035)

Housing to outer gear clearance (5)

Value — Unit: mm (in)0.05 - 0.11 (0.0020 - 0.0043)

IMPORTANT

If it exceeds the limit, replace gear set or entire oil pump assembly.