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 engine cover. Refer to Engine Cover Replacement.
3. Remove the junction block bolts. Refer to Fuel Return Pipe Replacement.
4. Remove the beauty cover bracket.
5. Remove the engine wiring harness bracket.
6. Disconnect the EGR and brake booster vacuum hoses.
7. Remove the vacuum pump.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the vacuum pump and tighten the tightening bolts to 12 N·m (8.9 lb ft).
2. Install the engine wiring harness bracket.
3. Connect the EGR and brake booster vacuum hoses. Tighten the engine wiring harness bracket nuts to 20 N·m (14.8 lb ft).
4. Install the engine cover and bracket. Tighten the beauty cover bracket bolts to 11 N·m (97.4 lb in).
5. Install the junction block bolts. Refer to Fuel Return Pipe Replacement.
6. Connect the negative battery cable.