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Cylinder Head: Removal: Removal

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

Prior to removing the cylinder head, the camshaft and crankshaft MUST  be aligned and locked into position. If the procedure is not performed, SEVERE DAMAGE will result  . The camshaft and the crankshaft MUST  be locked with the appropriate special tools.

NOTE:

Refer to the timing belt removal service procedure for special tool information.

Refer to BELT, TIMING, REMOVAL .

Fig 1: Camshaft Bearing Housing Bolt Removal Sequence
GC0152665Courtesy of CHRYSLER GROUP, LLC
  1. Remove the camshaft bearing housing. Refer to HOUSING, CAMSHAFT BEARING, REMOVAL .
    Fig 2: Upstream And Downstream Oxygen Sensors, Maniverter & Fasteners
    GC0152389Courtesy of CHRYSLER GROUP, LLC
  2. Remove the maniverter (4). Refer to MANIFOLD, EXHAUST, REMOVAL .
    Fig 3: Side Timing Belt Cover & Bolt
    GC0152659Courtesy of CHRYSLER GROUP, LLC
  3. Remove the bolt (2) and the side timing belt cover (1).
    Fig 4: PCM Electrical Connectors
    GC0152393Courtesy of CHRYSLER GROUP, LLC
  4. Unlock and disconnect the Powertrain Control Module (PCM) harness connectors (1 and 2).
    Fig 5: Battery Tray, Connectors, Retainers, Nut & Bolts
    GC0152563Courtesy of CHRYSLER GROUP, LLC
  5. Disengage two starter wire harness retainers (6) from the battery tray (3).
  6. Disengage two engine wire harness retainers (4) from the battery tray (3).
  7. Disengage the engine wire harness connector (2) from the battery tray (3) and reposition the wire harness.
  8. Remove the nut (5) and two bolts (1).
    Fig 6: PCM, Retainers, Ground Strap & Nuts
    GC0152394Courtesy of CHRYSLER GROUP, LLC
  9. Open the two wire harness retainers (3) and reposition the wire harness.
  10. Remove the nut (1) and the ground strap (4).
  11. Remove the battery tray with the PCM (2) attached.
    Fig 7: Thermostat Housing, Pressurized Coolant Bottle Return Hose, Clamp & Bolt
    GC0152360Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    The vacuum hose and the afterrun coolant pump hose have the same quick-connect fitting end. If removing both hoses, it is recommended that the hoses be marked at disassembly to avoid an incorrect installation. Failure to properly install the hoses can result in engine damage.

  12. Disconnect the pressurized coolant bottle return hose (2).
  13. Loosen the clamp (3) and disconnect the lower radiator hose.
  14. Remove the bolt (4) and disconnect the oil filter housing coolant return hose.
    Fig 8: Heater Core Inlet Hose, Engine Coolant Temperature (ECT) Sensor Electrical Connector & Cylinder Head Coolant Outlet Flange
    GC0152361Courtesy of CHRYSLER GROUP, LLC
  15. Unlock and disconnect the Engine Coolant Temperature (ECT) sensor electrical connector (2).
  16. Disconnect the heater core inlet hose (1).
    Fig 9: Cylinder Head Bolt Removal Sequence
    GC0152430Courtesy of CHRYSLER GROUP, LLC
  17. Using the sequence shown in illustration, remove the cylinder head retaining bolts.
    Fig 10: Cylinder Head Gasket & Locating Dowels
    GC0152672Courtesy of CHRYSLER GROUP, LLC
  18. Remove the cylinder head and gasket (1). Discard the gasket.
    Fig 11: Thermostat Housing Assembly, Engine Coolant Temperature Sensor & Fasteners
    GC0152362Courtesy of CHRYSLER GROUP, LLC
  19. If required, remove the bolts (2) and the thermostat housing from the cylinder head.
    Fig 12: Tensioner & Lock Nut
    GC0152670Courtesy of CHRYSLER GROUP, LLC
  20. If required, remove the tensioner lock nut (1) and the tensioner (2) from the cylinder head.
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