For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Remove the air cleaner housing bolts and the air filter housing assembly.
3. Release the connector lock and pull the air conditioning (A/C) pressure transducer wire connector out.
4. Hold the line fitting boss with one wrench and remove the A/C pressure transducer with another wrench.
5. Discard the O-ring seal.

### Installation Procedure

1. Install the new seal on the A/C pressure transducer.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the A/C pressure transducer.

Tighten
Tighten the pressure transducer, using 2 wrenches, to 8 N·m (71 lb in).

3. Install the electrical connector.
4. Install the air cleaner housing bolts and the air filter housing assembly.

Tighten
Tighten the air cleaner housing assembly retaining bolts to 12 N·m (106 lb in).