Nissan 100NX N14 silhouetteN14

Intake Manifold - Removal

EM-101prose procedure

SR20DE vs SR20DET distinctions: steps 4, 7, 8 are SR20DET-specific (intercooler, recirculation valve bracket, intercooler support bracket); step 9 fuel tube assembly is SR20DE only.

Removal

  1. 1
    Release fuel pressure. Refer to "Releasing Fuel Pressure" in section EF & EC.
  2. 2
    Drain coolant by removing cylinder block drain plug.
  3. 3
    Remove air duct from intake manifold.
  4. 4
    Remove intercooler cover and intercooler. (SR20DET only)
  5. 5
    Remove P.C.V. hoses from rocker cover.
  6. 6
    Remove vacuum hoses, fuel hoses, wires, harnesses, connectors, etc.
  7. 7
    Remove recirculation valve bracket. (SR20DET only)
    Engine bay view showing the recirculation valve bracket (SR20DET). Black arrows point to the mounting bolts. Label 'Recirculation valve bracket'.
    SEM774D
  8. 8
    SR20DE: Remove intake manifold supports. SR20DET: Remove intake manifold supports and intercooler support bracket.
    SR20DE intake manifold showing intake manifold supports at two lower mounting points, both labeled 'Intake manifold supports'.
    SEM846D
  9. 9
    Remove fuel tube assembly. (SR20DE only)
    Fuel tube assembly (SR20DE) with circled numbers 1 through 4 indicating the loosening order of mounting bolts. Label 'Engine front' with arrow and 'Loosen in numerical order.'
    SEF590K
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See also

EF & ECENGINE FUEL & EMISSION CONTROL SYSTEM - SECTION EF & EC

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