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    2007 GMC Truck Yukon 4WD 5.3L Flex Fuel OHV 8cyl

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    (479) 443-4043

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    Jaguar 2000-06

    Cylinder Head

    Print

    Removal & Installation



    4.0L & 4.2L Engines
    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Accessory drive belt
       
      Valve cover
       
      Timing chain cover
       
      Intake manifold
       
      Radiator and heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Exhaust front pipes
       
      Variable Valve Timing (VVT) sensor
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Install the Crankshaft Setting Peg JD 216 into the CKP sensor location.
    10.  
    11. Install the Camshaft Locking tool JD 215 on the camshafts.
    12.  
    13. Remove or disconnect the following:
      NOTE
      Keep all valvetrain components in order for assembly.



      Camshaft sprocket mounting bolt by loosening it
       
      VVT mounting bolt by loosening it
       
      Camshaft Locking tool JD 215
       
      Primary timing chain tensioner and backing plate
       
      Primary timing chain guide
       
      VVT unit and exhaust camshaft sprocket
       
      Secondary timing chain tensioner and guide
       



      Camshafts. Loosen the bearing cap bolts evenly and in several passes.
       
      Valve tappets and shims
       
      Cylinder head
       

    14.  

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Bolts 1-10: 15 ft. lbs. (20 Nm).
      2.  
      3. Bolts 1-10: 26 ft. lbs. (35 Nm).
      4.  
      5. Bolts 1-10: plus 90 degrees.
      6.  
      7. Bolts 1-10: plus 90 degrees.
      8.  
      9. Bolts 11 & 12: 18 ft. lbs. (25 Nm).

        Click image to see an enlarged view

        Fig. Cylinder head bolt torque sequence-4.0L and 4.2L engine

      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps and tighten evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe.
       
      Secondary timing chain by applying counterclockwise force to the exhaust camshaft sprocket.

      Click image to see an enlarged view

      Fig. Apply force in a counterclockwise direction when tightening the sprocket mounting bolts-4.0 and 4.2L engines

       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT sensor
       
      Exhaust front pipes
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Radiator and heater hoses
       
      Intake manifold
       
      Timing chain cover
       
      Valve cover
       
      Accessory drive belt
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.
    20.  

    A-Bank
    1. Before servicing the vehicle, refer to the Precautions section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Valve cover
       
      Intake manifold
       
      Radiator hoses
       
      Heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Catalytic converter
       
      Crankshaft damper
       
      Front cover
       
      Variable Valve Timing (VVT) bushing carrier
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Confirm that the timing flat on each camshaft is uppermost. If necessary, rotate the crankshaft one full turn.
    10.  
    11. Install the crankshaft setting peg JD 216 to the crankshaft position sensor location.
    12.  
    13. Install the camshaft locking tool JD 215 to the A-Bank camshafts.
    14.  
    15. Remove or disconnect the following:

      Primary timing chain tensioner and backing plate
       
      Primary timing chain
       
      VVT unit, exhaust camshaft sprocket and secondary timing chain
       
      Secondary timing chain tensioner
       
      Secondary timing chain guide
       
      Camshaft locking tool
       

    16.  


    NOTE
    Keep all valvetrain components in order for assembly.



    Camshaft bearing caps. Loosen the bolts evenly in stages.
     
    Camshafts
     
    Tappets and shims
     
    Cylinder head
     

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Step 1: M10 bolts to 15 ft. lbs. (20 Nm).
      2.  
      3. Step 2: M10 bolts to 26 ft. lbs. (35 Nm).
      4.  
      5. Step 3: M10 bolts plus 90 degrees.
      6.  
      7. Step 4: M10 bolts plus 90 degrees.
      8.  
      9. Step 5: M8 bolts to 17-20 ft. lbs. (23-27 Nm).
      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps. Tighten the bolts evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain, and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
       
      Secondary timing chain, tension it by applying counterclockwise force to the exhaust camshaft sprocket
       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT bushing carrier
       
      Front cover
       
      Crankshaft damper
       
      Catalytic converter
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Heater hoses
       
      Radiator hoses
       
      Intake manifold
       
      Valve cover
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.
    20.  


      Click image to see an enlarged view

      Fig. Cylinder head bolt torque sequence-XK V8 A-bank



      Click image to see an enlarged view

      Fig. Exploded view of the camshaft and valve installation-V8 shown


    1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Valve cover
       
      Intake manifold
       
      Radiator hoses
       
      Heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Catalytic converter
       
      Crankshaft damper
       
      Front cover
       
      Variable Valve Timing (VVT) bushing carrier
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Confirm that the timing flat on each camshaft is uppermost. If necessary, rotate the crankshaft one full turn.
    10.  
    11. Install the crankshaft setting peg JD 216 to the crankshaft position sensor location.
    12.  
    13. Install the camshaft locking tool JD 215 to the A-Bank camshafts.
    14.  
    15. Remove or disconnect the following:
      NOTE
      Keep all valvetrain components in order for assembly.



      Primary timing chain tensioner and backing plate
       
      Primary timing chain
       
      VVT unit, exhaust camshaft sprocket and secondary timing chain
       
      Secondary timing chain tensioner
       
      Secondary timing chain guide
       
      Camshaft locking tool
       



      Camshaft bearing caps. Loosen the bolts evenly in stages.
       
      Camshafts
       
      Tappets and shims
       
      Cylinder head
       

    16.  

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Step 1: M10 bolts to 15 ft. lbs. (20 Nm).
      2.  
      3. Step 2: M10 bolts to 26 ft. lbs. (35 Nm).
      4.  
      5. Step 3: M10 bolts plus 90 degrees.
      6.  
      7. Step 4: M10 bolts plus 90 degrees.
      8.  
      9. Step 5: M8 bolts to 17-20 ft. lbs. (23-27 Nm).

        Click image to see an enlarged view

        Fig. Cylinder head bolt torque sequence-V8 A-bank

      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps. Tighten the bolts evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain, and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
       
      Secondary timing chain, tension it by applying counterclockwise force to the exhaust camshaft sprocket
       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT bushing carrier
       
      Front cover
       
      Crankshaft damper
       
      Catalytic converter
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Heater hoses
       
      Radiator hoses
       
      Intake manifold
       
      Valve cover
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.

      Click image to see an enlarged view

      Fig. Exploded view of the camshaft and valve installation-V8 shown

    20.  

    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Valve cover
       
      Intake manifold
       
      Radiator hoses
       
      Heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Catalytic converter
       
      Crankshaft damper
       
      Front cover
       
      Variable Valve Timing (VVT) bushing carrier
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Confirm that the timing flat on each camshaft is uppermost. If necessary, rotate the crankshaft one full turn.
    10.  
    11. Install the crankshaft setting peg JD 216 to the crankshaft position sensor location.
    12.  
    13. Install the camshaft locking tool JD 215 to the A-Bank camshafts.
    14.  
    15. Remove or disconnect the following:
      NOTE
      Keep all valvetrain components in order for assembly.



      Primary timing chain tensioner and backing plate
       
      Primary timing chain
       
      VVT unit, exhaust camshaft sprocket and secondary timing chain
       
      Secondary timing chain tensioner
       
      Secondary timing chain guide
       
      Camshaft locking tool
       



      Camshaft bearing caps. Loosen the bolts evenly in stages.
       
      Camshafts
       
      Tappets and shims
       
      Cylinder head
       

    16.  

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Step 1: M10 bolts to 15 ft. lbs. (20 Nm).
      2.  
      3. Step 2: M10 bolts to 26 ft. lbs. (35 Nm).
      4.  
      5. Step 3: M10 bolts plus 90 degrees.
      6.  
      7. Step 4: M10 bolts plus 90 degrees.
      8.  
      9. Step 5: M8 bolts to 17-20 ft. lbs. (23-27 Nm).

        Click image to see an enlarged view

        Fig. Cylinder head bolt torque sequence-XK V8 A-bank

      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps. Tighten the bolts evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain, and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
       
      Secondary timing chain, tension it by applying counterclockwise force to the exhaust camshaft sprocket
       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT bushing carrier
       
      Front cover
       
      Crankshaft damper
       
      Catalytic converter
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Heater hoses
       
      Radiator hoses
       
      Intake manifold
       
      Valve cover
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.

      Click image to see an enlarged view

      Fig. Exploded view of the camshaft and valve installation-V8 shown

    20.  

    2.5L And 3.0L Engines

    NOTE
    The cylinder head bolts are a torque-to-yield design and must be replaced.

    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Drain the crankcase and cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Air cleaner housing
       
      Accessory drive belt
       
      Intake manifold
       
      Valve covers
       
      Catalytic converter and exhaust crossover tube
       
      Water pump
       
      Front cover
       
      Timing chains
       
      Camshafts and valve tappets
       
      Coolant crossover tube
       
      Oil dipstick tube
       
      Cylinder head bolts in the proper sequence
       
      Cylinder heads

      Click image to see an enlarged view

      Fig. Cylinder head bolt removal sequence-2.5L and 3.0L engines-left side shown, right side same



      Click image to see an enlarged view

      Fig. Cylinder head bolt installation sequence-2.5L and 3.0L engines-left side shown, right side same

       

    6.  
    7. Install the cylinder heads. Tighten the bolts in sequence as follows:
      1. Step 1: 22 ft. lbs. (30 Nm)
      2.  
      3. Step 2: Plus 90 degrees
      4.  
      5. Step 3: Loosen all bolts one full turn
      6.  
      7. Step 4: 22 ft. lbs. (30 Nm)
      8.  
      9. Step 5: Plus 90 degrees
      10.  
      11. Step 6: Plus 90 degrees
      12.  

    8.  
    9. Install or connect the following:

      Engine oil dipstick tube
       
      Coolant crossover tube
       
      Camshafts and valve tappets
       
      Timing chains
       
      Front cover
       
      Water pump
       
      Catalytic converter and exhaust crossover tube
       
      Valve covers
       
      Intake manifold
       
      Accessory drive belt
       
      Air cleaner housing
       
      Negative battery cable
       

    10.  

    B-Bank
    1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Valve cover
       
      Intake manifold
       
      Radiator hoses
       
      Heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Catalytic converter
       
      Crankshaft damper
       
      Front cover
       
      Variable Valve Timing (VVT) bushing carrier
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Confirm that the timing flat on each camshaft is uppermost. If necessary, rotate the crankshaft one full turn.
    10.  
    11. Install the crankshaft setting peg JD 216 to the crankshaft position sensor location.
    12.  
    13. Install the camshaft locking tool JD 215 to the B-Bank camshafts.
    14.  
    15. Remove or disconnect the following:
      NOTE
      Keep all valvetrain components in order for assembly.



      Primary timing chain tensioner and backing plate
       
      Primary timing chain
       
      VVT unit, exhaust camshaft sprocket and secondary timing chain
       
      Secondary timing chain tensioner
       
      Secondary timing chain guide
       
      Camshaft locking tool
       



      Camshaft bearing caps. Loosen the bolts evenly in stages.
       
      Camshafts
       
      Tappets and shims
       
      Cylinder head
       

    16.  

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Step 1: M10 bolts to 15 ft. lbs. (20 Nm).
      2.  
      3. Step 2: M10 bolts to 26 ft. lbs. (35 Nm).
      4.  
      5. Step 3: M10 bolts plus 90 degrees.
      6.  
      7. Step 4: M10 bolts plus 90 degrees.
      8.  
      9. Step 5: M8 bolts to 17-20 ft. lbs. (23-27 Nm).

        Click image to see an enlarged view

        Fig. Cylinder head bolt torque sequence-V8 B-bank

      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps. Tighten the bolts evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain, and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
       
      Secondary timing chain, tension it by applying counterclockwise force to the exhaust camshaft sprocket
       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT bushing carrier
       
      Front cover
       
      Crankshaft damper
       
      Catalytic converter
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Heater hoses
       
      Radiator hoses
       
      Intake manifold
       
      Valve cover
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.
    20.  

    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Remove or disconnect the following:

      Negative battery cable
       
      Valve cover
       
      Intake manifold
       
      Radiator hoses
       
      Heater hoses
       
      Engine Coolant Temperature (ECT) sensor connector
       
      Coolant outlet pipe
       
      Catalytic converter
       
      Crankshaft damper
       
      Front cover
       
      Variable Valve Timing (VVT) bushing carrier
       
      Crankshaft Position (CKP) sensor
       

    6.  
    7. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
    8.  
    9. Confirm that the timing flat on each camshaft is uppermost. If necessary, rotate the crankshaft one full turn.
    10.  
    11. Install the crankshaft setting peg JD 216 to the crankshaft position sensor location.
    12.  
    13. Install the camshaft locking tool JD 215 to the B-Bank camshafts.
    14.  
    15. Remove or disconnect the following:
      NOTE
      Keep all valvetrain components in order for assembly.



      Primary timing chain tensioner and backing plate
       
      Primary timing chain
       
      VVT unit, exhaust camshaft sprocket and secondary timing chain
       
      Secondary timing chain tensioner
       
      Secondary timing chain guide
       
      Camshaft locking tool
       



      Camshaft bearing caps. Loosen the bolts evenly in stages.
       
      Camshafts
       
      Tappets and shims
       
      Cylinder head
       

    16.  

    To install:

    1. Clean and inspect the cylinder head bolts. They may be reused twice. When reused, each bolt head should be marked with 1 dot from an automatic center punch.
    2.  
    3. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
      1. Step 1: M10 bolts to 15 ft. lbs. (20 Nm).
      2.  
      3. Step 2: M10 bolts to 26 ft. lbs. (35 Nm).
      4.  
      5. Step 3: M10 bolts plus 90 degrees.
      6.  
      7. Step 4: M10 bolts plus 90 degrees.
      8.  
      9. Step 5: M8 bolts to 17-20 ft. lbs. (23-27 Nm).

        Click image to see an enlarged view

        Fig. Cylinder head bolt torque sequence-XK V8 B-bank

      10.  

    4.  
    5. Install or connect the following:

      Tappets and shims into their original position
       
      Camshaft bearing caps. Tighten the bolts evenly, in stages, to 84-96 inch lbs. (9-11 Nm).
       

    6.  
    7. Install the Camshaft Locking tool JD 215.
    8.  
    9. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
    10.  
    11. Install or connect the following:

      Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
       
      VVT, secondary timing chain, and exhaust cam sprocket
       
      Primary timing chain
       
      Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
       
      Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
       
      Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
       
      Secondary timing chain, tension it by applying counterclockwise force to the exhaust camshaft sprocket
       
      Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
       

    12.  
    13. Remove the tools and wedges.
    14.  
    15. Install or connect the following:

      CKP sensor
       
      VVT bushing carrier
       
      Front cover
       
      Crankshaft damper
       
      Catalytic converter
       
      Coolant outlet pipe
       
      ECT sensor connector
       
      Heater hoses
       
      Radiator hoses
       
      Intake manifold
       
      Valve cover
       
      Negative battery cable
       

    16.  
    17. Fill the cooling system.
    18.  
    19. Start the engine and check for leaks.
    20.  

     
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