nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 9049 > < Diagram Information and Instructions|Page 9047
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Fuel Injector: Service and Repair

Injector Removal and Installation

1. Release fuel pressure to zero.

2. Remove intake manifold collector.
3. Disconnect vacuum hose from pressure regulator.
4. Disconnect injector harness connectors.
5. Remove injectors with fuel tube assembly.

NOTE:  Do not disassemble fuel tube assembly.

6. Push out any malfunctioning injector from fuel tube assembly. 

NOTE:  Do not extract injector by pinching connector.

7. Replace or clean injector as necessary.

8. Install injector to fuel tube assembly.

NOTE:  Always replace O-rings and insulators with new ones. Lubricate O-rings with a smear of engine oil.

9. Install injectors with fuel tube assembly to intake manifold. 

Diagram Information and Instructions|Page 9049 > < Diagram Information and Instructions|Page 9047