Oil Pump Disassembly and Assembly
Oil Pump Disassembly and AssemblyDisassembly
1) Remove oil pump oil seal (1) by using special tool.
CAUTION:
Be careful not to damage bushing and oil pump body.
Special Tool
(A): 09913-50121
2) Remove 3 clutch drum oil seal rings (1).
3) Remove stator shaft assembly (1) from oil pump body by removing 14 bolts.
4) Give marks (1) on drive gear (2) and driven gear (3) by using water-proof paint.
5) Remove drive gear (2) and driven gear (3) from oil pump body.
Assembly
1) Press-fit new oil pump oil seal (1) to oil pump body till its end face is flush with oil pump body end face, using special tool.
Special Tool
(A): 09913-75810
2) Install drive gear (1) and driven gear (2) to oil pump body aligning marks and facing marked surface (3) with the direction of stator shaft assembly side. Apply A/T fluid to gears and oil pump body.
3) Apply A/T fluid to new O-ring (1) and then install O-ring to oil pump body.
4) Install stator shaft assembly (1) to oil pump.
Tighten 14 bolts to specified torque.
Tightening torque
Oil pump body bolt (a): 12 Nm (1.2 kg-m, 9.0 lbf-ft)
5) Apply A/T fluid to 3 clutch drum oil seal rings (1).
6) Squeeze ends of new oil seal rings together with wrap distance 8 mm (0.314 in.) or less and then install them to stator shaft groove.
CAUTION:
Do not spread seal ends excessively.
7) Check oil pump drive gear rotation as the following procedure.
a) Place oil pump body (2) on torque converter (1).
b) Make sure drive gear rotates smoothly.
c) Remove oil pomp body (2) from torque converter (1).
CAUTION:
Be careful not to damage oil pump body oil seal.
8) Apply A/T fluid to new O-ring (1) and then install O-ring to oil pump body.
