Acura 3.5 RL Manual page 419

Injectors
Replacement
Do not smoke when working on the fuel system. Keep open flames away from your work area.
1. Remove the strut bar.
2. Remove the engine cover.
3. Relieve fuel pressure (see page 11-132).
4. Disconnect the connectors from the injectors.
5. Disconnect the PCV valve.
6. Disconnect the vacuum hose and fuel return hose from the fuel pressure regulator.
NOTE: Place a rag or shop towel over the hoses before disconnecting them.
7. Disconnect the fuel hose from the fuel rail.
8. Remove the vacuum pipe.
9. Loosen the retainer nuts on the fuel rail and harness holder.
10. Disconnect the 3P connector from the MAP sensor.
11. Disconnect the fuel rail.
12. Remove the injectors from the intake manifold.
9.8 N-m
(1.0 kgf-m, 7.2 Ibf-ft)
HARNESS
HOLDER
O-RING
Replace.
CUSHION
RING
Replace.
INJECTOR
SEAL
RING
Replace.
9.8 N-m
(1.0 kgf-m, 7.2 Ibf-ft)
12 N-m
(1.2 kgf-m,
8.7 Ibf-ft)
MAP
SENSOR
INJECTOR
INSULATOR
ENGINE
COVER
FUEL
PRESSURE
REGULATOR
PCV
VALVE