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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (3.0L Turbo Diesel (Service Information)) >> Cylinder Head >> Installation >> Right Cylinder Head

Right Cylinder Head

WARNING: This page is about a different variant/trim than selected.
GC0146589Courtesy of CHRYSLER GROUP, LLC
  1. Clean and inspect gasket mating surfaces. Refer to CYLINDER HEAD, CLEANING .
  2. Remove the (special tool #VM.10339, Tool, Crankshaft Timing) (1).
    GC0169771Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical view of scooter block

  3. Set the number one piston to top dead center (TDC).
  4. Using the (special tool #D-115-2A, Block, Scooter) (2) and the (special tool #C-3339A, Set, Dial Indicator) (1), position the dial indicator flat on the cylinder block head surface and zero the dial indicator (1).
    GC0169753Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical view of scooter block

  5. Position the scooter block with dial indicator (1) onto the piston (2).
    GC0146675Courtesy of CHRYSLER GROUP, LLC
  7. Measure the height of the piston in the location illustrated (1) and record measurement.
  8. Measure the height of the piston in the location illustrated (2) and record measurement.
  9. Repeat the procedure for each cylinder.
  10. Use the highest reading of the 4 piston protrusion readings to determine the required gasket thickness.
    HEAD GASKET SELECTION CHART
      Metric Standard
    PISTON CLEARANCE 0.130 - 0.220 mm 0.0051 - 0.0086 in.
    CYLINDER HEAD GASKET THICKNESS 0.96 mm 0.0377 in.
    GASKET IDENTIFICATION NO HOLE
     
    PISTON CLEARANCE 0.221 - 0.310 mm 0.0087 - 0.0122 in.
    CYLINDER HEAD GASKET THICKNESS 1.06 mm 0.0417 in.
    GASKET IDENTIFICATION ONE HOLE
     
    PISTON CLEARANCE 0.311 - 0.402 mm 0.0122 - 0.0158 in.
    CYLINDER HEAD GASKET THICKNESS 1.16 mm 0.0456 in.
    GASKET IDENTIFICATION TWO HOLES
    GC0146674Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The above illustration shows gasket identification marks.

  11. Select the appropriate cylinder head gasket from the cylinder head gasket chart.
    GC0146685Courtesy of CHRYSLER GROUP, LLC
  12. Install the NEW  head gasket (3) onto the engine block (5). Be sure the coolant passages align (part number should be facing up).
  13. Install the cylinder head (2) onto the engine block (5) and install the NEW  head bolts (1) finger tight.
    GC0146765Courtesy of CHRYSLER GROUP, LLC
  14. Install the exhaust side (special tool #VM.10343A-4, Alignment Tool, Cylinder Head (Right Exhaust)) (1) an securely tighten bolts (2).
  15. Install the intake side (special tool #VM.10343A-1, Alignment Tool, Cylinder Head (Right Intake)) (3) an securely tighten bolts (4).
    Fig 1: Cylinder Head Bolts Tightening Sequence
    GC0146671Courtesy of CHRYSLER GROUP, LLC
  16. Using the tighten sequence shown in the illustration, tighten the cylinder head bolts to:
    • 30 N.m (22 ft. lbs.).
    • Tighten the bolts an additional 75° turn.
    • Tighten the bolts an additional 75° turn.
    • Tighten the bolts an additional 75° turn.
    GC0146765Courtesy of CHRYSLER GROUP, LLC
  17. Remove the bolts (4) and (special tool #VM.10343A-4, Alignment Tool, Cylinder Head (Right Exhaust)) (4).
  18. Remove the bolts (2) and (special tool #VM.10343A-1, Alignment Tool, Cylinder Head (Right Intake)) (1).
    GC0174052Courtesy of CHRYSLER GROUP, LLC
  19. Install the bolts (1, 2) securing the coolant tube (3) to the cylinder head and tighten to 25 N.m (18 ft. lbs.).
  20. Install the water pump housing assembly. Refer to PUMP, WATER, INSTALLATION .
    NOTE:

    Follower and tappet assemblies must be installed in same location as when removed.

  21. Install the followers and tappets (2) into their original position as noted during removal.
  22. Install the right side intake and exhaust camshafts. Refer to CAMSHAFT, ENGINE, INSTALLATION .
  23. Install the glow plugs and tighten to 8 N.m (71 in. lbs.).
  24. Install the intake manifold. Refer to MANIFOLD, INTAKE, INSTALLATION .
  25. Install the turbocharger. Refer to TURBOCHARGER, INSTALLATION .
  26. Install the right side exhaust manifold. Refer to MANIFOLD, EXHAUST, INSTALLATION .
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