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Removal & Installation (300ZX)

  1. To remove right side turbocharger, remove right part of cowl top and remove battery. Remove air inlet hose and pipe. See Fig 1 . Disconnect lower pipe from turbocharger. Remove cruise control bracket. Disconnect oxygen sensor wire connector. Remove turbocharger water hoses and disconnect oil inlet tube. Remove 2 pre-catalyst-to-turbocharger fastening bolts.
  2. Drain oil and remove oil pressure switch, oil filter, turbocharger oil return tube and pre-catalyst. Disconnect oil hose from oil filter bracket and disconnect turbocharger water tubes. Remove wastegate valve actuator rod pin and remove oil filter bracket. Unbend turbocharger fastening nut locking plate. Remove nuts and remove turbocharger.To install right side turbocharger, reverse removal procedure. See TORQUE SPECIFICATIONS  at end of article.
  3. To remove left side turbocharger, disconnect negative battery cable. Remove brake master cylinder and power booster. Disconnect oxygen sensor wire connector. See Fig 1 . Remove air inlet hose and pipe. Disconnect lower pipe from turbocharger. Disconnect water tubes and remove 2 pre-catalyst-to-turbocharger bolts. Remove front exhaust tube and pre-catalyst. Disconnect lower steering coupler joint.
  4. Drain oil and remove turbocharger oil return and water tubes. Disconnect EGR tube and turbocharger wastegate valve actuator tube. Remove manifold cover and nuts. Remove turbocharger with exhaust manifold. To install left side turbocharger, reverse removal procedure. See TORQUE SPECIFICATIONS  at end of article.
Fig 1: Removing & Installing Turbocharger (300ZX)
G92F26539Courtesy of NISSAN MOTOR CO., U.S.A.