Operation CHARM: Car repair manuals for everyone.

Oil Pump: Service and Repair





Disassembly
1. Remove crankshaft timing pulley.
2. Remove oil pan.
3. Remove oil pan support.
4. Remove oil strainer.
5. Remove oil pump assembly.
6. Remove oil pressure switch.
7. Remove gasket.
8. Remove sleeve.

Inspection and Repair

Caution: Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found through inspection.

Body and Gears
The pump assembly must be replaced if one or more of the conditions below is discovered during inspection:





Indentation of gear pair - use feeler strip and straight edge.
Dimension: 0.03 mm to 0.10 mm (0.0012 to 0.0039 inch)

Oil Strainer





Check the oil strainer for cracking and scoring. If cracking and scoring are found, the oil strainer must be replaced.

Reassembly
1. Install oil pressure switch to the oil pump.
Torque: 40 Nm (37 ft. lbs.)
2. Install the oil pump with the sleeve and the gasket.
Torque: 6 Nm (4.4 ft. lbs.)
3. Install oil strainer.
Torque: 8 Nm (5.8 ft. lbs.)
4. Install Oil pan support.
Torque: 20 Nm (14 ft. lbs.)
5. Install the oil pan.
Tighten the bolts in 2 steps:
1st step: 8 Nm (5.8 ft. lbs.)
2nd step: 30°
6. Install crankshaft timing pulley.
Tighten the bolts in 2 steps:
1st step: 130 Nm (94 ft. lbs.)
2nd step: 45°