Oil Pump Disassembly

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

Using a T30 ''TORX'' socket wrench, remove the bolt and transmission revolution sensor (NT) and clamp from the oil pump assembly.

Detach the clamp to remove the transmission revolution sensor (NT) from the clamp.

Remove the bolt and check ball cover.

Remove the compression spring and No. 1 check valve sub-assembly from the oil pump assembly.

Place the oil pump assembly on the torque converter assembly.

Remove the 4 clutch drum oil seal rings from the stator shaft assembly.

Using a T30 ''TORX'' socket wrench, remove the 5 bolts, No. 1 brake piston return spring sub-assembly and No. 1 brake piston.

Remove the 2 O-rings from the No. 1 brake piston.

Remove the clutch drum thrust washer from the stator shaft assembly.

Using a vernier caliper and straightedge, measure the distance between the No. 1 brake piston return spring sub-assembly end and the straightedge.

Standard thickness:

5.72 mm (0.255 in.)

Put matchmarks on the stator shaft assembly and the front oil pump body sub-assembly.

Using a T30 ''TORX'' socket wrench, remove the 8 bolts and stator shaft assembly from the front oil pump body sub-assembly.

Remove the front oil pump body sub-assembly from the torque converter assembly.

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

Using a caliper gauge, measure the inside diameter of the stator shaft assembly bushing.

Maximum inside diameter:

Front side:

25.926 mm (1.0207 in.)

Rear side:

35.251 mm (1.3878 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 between the front oil pump driven gear and front oil pump body sub-assembly.

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 front oil pump drive gear teeth.

Standard tip clearance:

0.065 to 0.171 mm (0.00256 to 0.00673 in.)

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

Standard side clearance:

0.03 to 0.05 mm (0.00119 to 0.00196 in.)

HINT:

There are 5 different thicknesses for the front oil pump drive gear and front oil pump driven gear.

Front Oil Pump Drive Gear Thickness:

Part No.	Mark	Thickness
35321-60160	A	12.590 to 12.599 mm (0.4957 to 0.4960 in.)
35321-60170	B	12.600 to 12.609 mm (0.4961 to 0.4964 in.)
35321-60180	C	12.610 to 12.620 mm (0.4965 to 0.4968 in.)
35321-60190	D	12.621 to 12.630 mm (0.4969 to 0.4972 in.)
35321-60200	E	12.631 to 12.640 mm (0.4973 to 0.4976 in.)

Front Oil Pump Driven Gear Thickness:

Part No.	Mark	Thickness
35322-60160	A	12.590 to 12.599 mm (0.4957 to 0.4960 in.)
35322-60170	B	12.600 to 12.609 mm (0.4961 to 0.4964 in.)
35322-60180	C	12.610 to 12.620 mm (0.4965 to 0.4968 in.)
35322-60190	D	12.621 to 12.630 mm (0.4969 to 0.4972 in.)
35322-60200	E	12.631 to 12.640 mm (0.4973 to 0.4976 in.)

Remove the front oil pump drive gear.

Remove the front oil pump driven gear.

Using a screwdriver, pry out the front oil pump oil seal.

NOTICE:

Be careful not to damage the front oil pump body sub-assembly.

HINT:

Wrap the tip of the screwdriver with protective tape.