Inspection After Removal

Surface Distortion

• Check the surface distortion of the intake manifold mating surface with a straightedge (A) and a feeler gauge (B).

  Limit: Refer to  "INTAKE MANIFOLD ".

• If it exceeds the limit, replace intake manifold.
  Fig 1: Checking Intake Manifold Surface Distortion Using Straightedge And Feeler Gauge

  Courtesy of NISSAN NORTH AMERICA, INC.