Fuel Injector: Service and Repair
Fuel Injector Removal and InstallationWARNING: When performing the following procedure, be sure to observe Precautions on Fuel System Service in order to reduce the risk of fire and personal injury.
Removal
1. Relieve fuel pressure.
2. Disconnect negative cable from battery.
3. Remove intake upper manifold.
4. Disconnect fuel injector connectors.
5. Disconnect fuel feed hose (4) from fuel delivery pipe (1).
6. Remove fuel delivery pipe bolts (2).
7. Remove clip(s) (5).
8. Remove fuel injector(s) (3).
Installation
Reverse removal procedure for installation noting the following.
- Replace injector O-ring with new one using care not to damage it.
- Apply thin coat of fuel to O-rings (1), and then install injectors (3) to delivery pipe (4) and intake lower manifold.
- Make sure that injectors rotate smoothly (2). If not, probable cause is incorrect installation of O-ring. Replace O-ring with new one.
- Tighten delivery pipe bolts to specified torque and make sure that injectors rotate smoothly.
Tightening torque
Fuel delivery pipe bolt (a): 10 N.m (1.0 kg-m, 7.5 lbf-ft)
- Check fuel leaks.