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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.6L Engine (Service Information) >> Cylinder Head >> Spring(S), Valve >> Installation >> In Vehicle

In Vehicle

Fig 1: Spring Seat, Valve Guide Seal & Garter Spring
GC0144253Courtesy of CHRYSLER GROUP, LLC
  1. If removed, install the spring seat (3) and valve guide seal (1) over the valve guide. Refer to SEAL(S), VALVE GUIDE, INSTALLATION .
    NOTE:

    Ensure that the garter spring (2) is intact around the top of the valve guide seal (1). Number 5 cylinder exhaust valve guide seal shown in illustration, all other valves similar.

    Fig 2: Valve Spring & Valve Spring Retainer
    GC0144252Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    If the valve springs are being reused, reassemble them into their original locations. Number 5 cylinder exhaust valve spring shown in illustration, all other valves similar.

  2. Install the valve spring (2) and valve spring retainer (1).
    Fig 3: Shop Air Supply & Valve Spring Compressor
    GC0144232Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Number 4 cylinder intake valve spring compression shown in illustration, all other valves similar.

  3. Using Valve Spring Compressor Adapter (special tool #10224, Adapter, Valve Spring) (3) with Valve Spring Compressor (special tool #MD998772A, Compressor, Valve Spring) (2), compress the valve spring (4) only enough  to install the valve retaining locks (5).
  4. Relieve the air pressure and remove the spark plug adapter.
  5. Install the spark plug and tighten to 17.5 N.m (13 ft. lbs.). Refer to SPARK PLUG, INSTALLATION .
    Fig 4: Locating Rocker Arms
    GC0144231Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The LH cylinder head rocker arms are shown in illustration, the RH cylinder head rocker arms are similar. If the rocker arms are being reused, reassemble them into their original locations.

  6. Install the rocker arm(s) (1) and camshaft(s). Refer to ROCKER ARM, VALVE, INSTALLATION .
    Fig 5: A/C Suction & Liquid Line Assembly
    GC0153968Courtesy of CHRYSLER GROUP, LLC
  7. If removed, install the A/C suction and liquid line assembly (1 and 5). Refer to LINE, A/C SUCTION, INSTALLATION .
    Fig 6: Upper Intake Manifold Tightening Sequence
    GC0154022Courtesy of CHRYSLER GROUP, LLC
  8. Install the cylinder head cover(s) and upper intake manifold (1). Refer to CAMSHAFT, ENGINE, INSTALLATION .
    Fig 7: Heater Core Return Hose, Heater Core Supply Hose, Nuts & Oil Cooler Return Hose
    GC0154034Courtesy of CHRYSLER GROUP, LLC
  9. If removed, position the heater core tube assembly and install the heater core supply hose (2), heater core return hose (1) and oil cooler return hose (4).
  10. Secure the heater core tube assembly to the right upper intake manifold support bracket with two nuts (3) tightened to 12 N.m (106 in. lbs.).
    Fig 8: Identifying Battery Tray Components
    GC0130759Courtesy of CHRYSLER GROUP, LLC
  11. If removed, install the battery tray (4), Totally Integrated Power Module (TIPM) and battery. Refer to TRAY, BATTERY, INSTALLATION .
    Fig 9: Air Cleaner Body, Fresh Air Makeup Hose, Electrical Connector, Clamp, Bolts & Retainers
    GC0154000Courtesy of CHRYSLER GROUP, LLC
  12. Install the air cleaner body (1). Refer to BODY, AIR CLEANER, INSTALLATION .
    Fig 10: Engine Cover
    GC0153999Courtesy of CHRYSLER GROUP, LLC
  13. If removed, install the oil filter and fill the engine crankcase with the proper oil to the correct level. Refer to STANDARD PROCEDURE  .
  14. Fill the cooling system. Refer to STANDARD PROCEDURE .
  15. Install the engine cover (1).
  16. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
  17. Run the engine until it reaches normal operating temperature. Check cooling system for correct fluid level. Refer to STANDARD PROCEDURE .
NOTE:

The Cam/Crank Variation Relearn procedure must be performed using the scan tool anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components.