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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (6.2L Engine (Service Information)) >> Supercharger System >> Valve, Bypass >> Installation

Valve, Bypass: Installation

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GC0173406Courtesy of CHRYSLER GROUP, LLC
  1. Install a NEW  bypass seal.
    Fig 1: Bypass Valve Tightening Sequence
    GC0173402Courtesy of CHRYSLER GROUP, LLC
  2. Position the bypass to the lid and torque the retaining screws, using the sequence shown in the illustration, to 10 N.m (7 ft. lbs.).
    GC0173359Courtesy of CHRYSLER GROUP, LLC
  3. Inspect the bypass adapter cuff, and replace if necessary.
  4. Lubricate the bypass adapter cuff (1) using clean engine oil.
    GC0173394Courtesy of CHRYSLER GROUP, LLC
  5. Install a NEW  lid gasket (1) onto the supercharger.
    GC0173393Courtesy of CHRYSLER GROUP, LLC
  6. Inspect the cooler retention seals and replace if necessary.
  7. Verify that the cooler retention seals (1) are assembled in the lid.
  8. Align the lid onto the supercharger.
  9. Press the lid, above the bypass throttle body, into the cuff. The bypass throttle body will be partially seated in the cuff.
    Fig 2: Supercharger Long Lid Fasteners Tightening Sequence
    GC0173367Courtesy of CHRYSLER GROUP, LLC
  10. Using the sequence shown in the illustration, tighten the retaining screws to 10 N.m (7 ft. lbs.).
  11. Using the sequence shown in the illustration, torque the five long lid fasteners 1-5 again, to 10 N.m (7 ft. lbs.).
    Fig 3: Supercharger To Cylinder Head Retaining Bolts Removal/Tightening Sequence
    GC0170323Courtesy of CHRYSLER GROUP, LLC
  12. Using the sequence shown in the illustration, Install the supercharger to cylinder head retaining bolts and tighten as follows:
    • First tighten all bolts, using the sequence, to 5 N.m (4 ft. lbs.).
    • Next tighten all bolts, using the sequence, to 15 N.m (11 ft. lbs.).
    • Finally tighten all bolts, using the sequence, to 30 N.m (22 ft. lbs.).
    GC0170238Courtesy of CHRYSLER GROUP, LLC
  13. Connect the wire harness connector (2) to the intermediate TMAP sensor (1).
    GC0170093Courtesy of CHRYSLER GROUP, LLC
  14. Connect the bypass valve wire harness connector (3).
    GC0170301Courtesy of CHRYSLER GROUP, LLC
  15. Install the fuel purge hose (2) to the top of the supercharger nose (1).
    GC0170121Courtesy of CHRYSLER GROUP, LLC
  16. Install the engine covers (1).
  17. Install the cowl cover panel. Refer to COVER, COWL PANEL, INSTALLATION .
  18. Connect the negative battery cable.