Auxiliary Transmission Fluid Pump (ATFP) Replacement
Auxiliary Transmission Fluid Pump (ATFP) Replacement1. Disconnect the auxiliary transmission fluid pump (ATFP) motor connector.
2. Remove the ATFP (A), the dowel pins (B), the ATF feed pipe (C), and the suction pipe (D).
3. Clean the mounting surfaces and fluid passages of the ATFP and the torque converter housing.
4. Install new O-rings (11.7 mm dia.) (E) on the suction pipe, then install the suction pipe in the torque converter housing with the filter end toward the outside of the housing.
5. Install a new O-ring (11.7 mm dia.) (E) and a new O-ring (11.0 mm dia.) (F) on the ATF feed pipe, then install the feed pipe with the large end in the torque converter housing.
6. Install the dowel pins in the torque converter housing.
7. Install a new O-ring (G) in the groove of the ATFP assembly. Do not apply a O-ring with ATF.
8. Install the ATFP on the torque converter housing.
9. Check the connector for rust, dirt, or oil, then connect the connector securely.