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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (3.2L Engine (Service Information)) >> Manifolds >> Manifold, Intake >> Installation >> Lower Intake Manifold

Lower Intake Manifold

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
GC0144265Courtesy of CHRYSLER GROUP, LLC
  1. Clean and inspect the sealing surfaces. Install new lower intake manifold to cylinder head seals (1).
  2. If removed, install the fuel injectors and the fuel rail to the lower intake manifold. Refer to RAIL, FUEL, INSTALLATION .
    Fig 1: Lower Intake Manifold Tightening Sequence
    GC0147424Courtesy of CHRYSLER GROUP, LLC
  3. Position the lower intake manifold (1) on the cylinder head surfaces.
  4. Tighten the bolts to the proper specifications in the sequence shown in illustration. Refer to TORQUE SPECIFICATIONS  .
    GC0144480Courtesy of CHRYSLER GROUP, LLC
  5. Engage the main wire harness retainer (2) to the rear of the lower intake manifold.
  6. Engage the injection/ignition harness retainer (1) to the rear of the lower intake manifold.
    GC0147423Courtesy of CHRYSLER GROUP, LLC
  7. Connect the fuel injector harness connectors (1).
  8. Connect the fuel supply hose (2) to the fuel rail. Refer to STANDARD PROCEDURE .
    GC0144184Courtesy of CHRYSLER GROUP, LLC
  9. Install the insulator (2) to the two alignment posts (3) on top of the LH cylinder head cover.
  10. Install the upper intake manifold, support brackets and resonator. Refer to MANIFOLD, INTAKE, INSTALLATION .
  11. Start the engine and check for leaks.