Nissan 100NX N14 silhouetteN14

Injector Removal and Installation (Cont'd)

EF & EC-640prose procedure

Separate tightening torque procedures for SR20DE vs SR20DET. SR20DE pushes out injector; SR20DET removes injector.

Continued from EF & EC-639

Injector Removal and Installation (Cont'd)

  1. 7
    SR20DE: Push out any malfunctioning injector from fuel tube assembly. SR20DET: Remove any malfunctioning injector from fuel tube assembly.
    Do not extract injector by pinching connector.
    SR20DE exploded view of injector, fuel tube, O-rings and insulators. Labeled 'Injector', 'O-ring' (x2), 'Insulator' (x2) with replacement symbols.
    SEF312L
  2. 8
    Replace or clean injector as necessary.
    SR20DET exploded view of injectors on fuel tube. Labeled 'Insulator', 'O-ring', 'Injector', 'Insulator' with replacement symbols.
    SEF297L
  3. 9
    Install injector to fuel tube assembly.
    Always replace O-rings and insulators with new ones.
    Lubricate O-rings with a smear of silicone oil.
  4. 10
    Install injectors with fuel tube assembly to intake manifold. Tighten fuel tube bolts to the specified torque. Tightening procedure: (SR20DE) 1) Tighten all bolts to 9.3 to 10.8 N·m (0.95 to 1.1 kg-m, 6.9 to 8.0 ft-lb). 2) Tighten all bolts to 21 to 26 N·m (2.1 to 2.7 kg-m, 15 to 20 ft-lb). (SR20DET) 1) Tighten all bolts to 16 to 19 N·m (1.6 to 1.9 kg-m, 12 to 14 ft-lb).
    SR20DE engine showing fuel tube bolts numbered 1-4. Arrow indicates 'Engine front'. Note 'Tighten in numerical order.'
    SEF313L
  5. 11
    Install fuel hoses to fuel tube assembly.
    Lubricate fuel hoses with a smear of silicone oil.
  6. 12
    Reinstall any parts removed in reverse order of removal.
    CAUTION: After properly connecting fuel hose to fuel tube and injector assembly, check connections for fuel leaks.
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