Disassembly and Reassembly

OIL PUMP

Components:

Components 2wd:

Components 4wd:

Components:

Components:

Components:

Components 2wd:

Components 4wd:

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DISASSEMBLY





1. REMOVE OIL PUMP COVER
a. Remove the 8 bolts, oil pump cover, drive rotor and driven rotor.





2. REMOVE OIL PUMP RELIEF VALVE
a. Using 27 mm socket wrench, remove the relief valve plug.
b. Remove the valve spring and oil pump relief valve.

INSPECTION





1. INSPECT OIL PUMP RELIEF VALVE
a. Coat the relief valve with engine oil. 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





2. INSPECT OIL PUMP ROTOR SET
a. Install the rotors to the timing chain cover with the rotors' marks facing outward. Check that the rotors revolves smoothly.





b. Check the tip clearance.
(1) Using a feeler gauge, measure the clearance between the drive and driven rotor tips, as shown in the illustration.

Tip Clearance:

If the tip clearance is greater than the maximum, replace the drive and riven rotors.





c. Check the side clearance.
(1) Using a feeler gauge and precision straight edge, measure the clearance between the rotors and precision straight edge, as shown in the illustration.

Side Clearance:

If the side clearance is greater than the maximum, replace the timing chain cover.





d. Check the body clearance.
(1) Using a feeler gauge, measure the clearance between the timing chain cover driven rotor, as shown in the illustration.

Body Clearance:

If the body clearance is greater than the maximum, replace the timing chain cover.

REPLACEMENT





1. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
a. Using a screwdriver, and wooden block pry out the oil seal.

HINT: Tape the screwdriver tip before use.





2. INSTALL TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
a. Using SST, tap in a new oil seal until its surface is flush with the timing gear case edge.
SST 09316-60011 (09316-00011)

NOTICE:
^ Keep the lip free from foreign matter.
^ Do not tap the oil seal at an angle.

REASSEMBLY





1. INSTALL OIL PUMP RELIEF VALVE
a. Coat the oil pump relief valve with engine oil.
b. Insert the relief valve and relief valve spring into the oil pump cover hole.
c. Using a 27 mm socket wrench, install the plug.
Torque: 49 Nm (500 kgf-cm, 36 ft. lbs.)





2. INSTALL OIL PUMP COVER
a. Install the oil pump cover with the 8 bolts.
Torque: 9.1 Nm (93 kgf-cm, 81 ft. lbs.)