Oil Pump Disassembly

Remove the front oil pump body O-ring from the oil pump assembly.

Place the oil pump assembly on the torque converter assembly.

Remove the 2 clutch drum oil seal rings from the oil pump assembly.

Install the oil pump assembly to the torque converter assembly.

Check that the front oil pump drive gear rotates smoothly.

Remove the oil pump assembly from the torque converter assembly.

Using a T30 "TORX" socket wrench, remove the 3 screws and front oil pump plate from the oil pump assembly.

Using a T30 "TORX" socket wrench, remove the 7 screws and stator shaft assembly from the front oil pump body sub-assembly.

Using a dial indicator, measure the inside diameter of the stator shaft assembly bushing.

Maximum inside diameter:

22.227 mm (0.875 in.)

Push the front oil pump driven gear to one side of the front oil pump body sub-assembly.

Using a feeler gauge, measure the clearance.

Standard body clearance:

0.10 to 0.17 mm (0.00394 to 0.00669 in.)

Using a feeler gauge, measure the clearance between the front oil pump driven gear teeth and the front oil pump drive gear teeth.

Standard tip clearance:

0.07 to 0.15 mm (0.00276 to 0.00590 in.)

Using a steel straightedge and a feeler gauge, measure the side clearance of both gears.

Standard side clearance:

0.03 to 0.05 mm (0.00118 to 0.00196 in.)

Remove the front oil pump drive gear from the front oil pump body sub-assembly.

Remove the front oil pump driven gear from the front oil pump body sub-assembly.

Using a screwdriver, remove the front oil pump oil seal from the front oil pump body sub-assembly.

NOTICE:

Do not damage the bushing or front oil pump body sub-assembly.

HINT:

Tape the screwdriver tip before use.

Using a dial indicator, measure the inside diameter of the front oil pump body sub-assembly bushing.

Maximum inside diameter:

38.138 mm (1.50 in.)