For 1990-2009 cars

### Removal Procedure

1. Remove the oil filter adapter. Refer to Oil Filter Adapter Replacement.
2. Remove the oil pressure sensor and/or switch from the oil filter adapter.
3. Clean and inspect the oil filter adapter. Refer to Oil Filter Adapter Cleaning and Inspection.

### Installation Procedure

1. Install a new O-ring on the oil pressure switch.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the oil pressure switch to the oil filter adapter.

Tighten
Tighten the oil pressure sensor and/or switch to 16 N·m (12 lb ft).

3. Install the oil filter adapter. Refer to Oil Filter Adapter Replacement.