For 1990-2009 cars

1. Inspect the input speed sensor (ISS) assembly (250) for the following conditions:

• | Cracked or damaged housing

• | Worn, broken or missing harness brackets; replace the ISS assembly if necessary

• | Damaged or worn wining or electrical connector

• | Loose, missing or damaged mounting bolt insert

2. Remove the ISS O-ring (249) and discard.
3. Lubricate NEW O-ring (249) with transmission fluid and position the O-ring as shown.
4. Insert the ISS (250) into oil pump ISS bore and fully seat.
5. Align ISS bolt hole insert with the oil pump mounting hole.

Caution: Refer to Fastener Caution in the Preface section.

6. Install bolt (247). Tighten the bolt to 9-11 N·m (6.6-8.1 lb ft).

Note: Ensure the ISS brackets securley fasten the wiring harness to the pump housing.

7. Route the ISS assembly (250) wire harness as shown. Install harness bracket #1 and #2 in the locations shown. Ensure the wire harness lays flat against the pump housing.