Right Cylinder Head

Fig 1: Check for Stretched Bolts

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The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced. See  Fig 1 .  .

Necking can be checked by holding a scale or straight edge against the threads. If all the threads do not contact the scale the bolt must be replaced. See Fig 1.

Fig 2: Cylinder Head Bolt Tightening Sequence

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1. Clean sealing surfaces of cylinder head and block.
   CAUTION: Ensure that the correct head gaskets are used and are oriented correctly on cylinder block.
   NOTE: Before installing the cylinder head bolts, lubricate the threads with clean engine oil.
2. Install the cylinder head over locating dowels and finger tighten the head bolts.
3. Tighten the cylinder head bolts in the following sequence, using the 4 step torque-turn method. Tighten according to the following torque values. See Fig 2.
   1. Step 1: All to 61 N.m (45 ft. lbs.)
   2. Step 2: All to 88 N.m (65 ft. lbs.)
   3. Step 3: All (again) to 88 N.m (65 ft. lbs.)
   4. Step 4: + 90° Turn Do not use a torque wrench for this step. 
4. Bolt torque after 90° turn should be over 122 N.m (90 ft. lbs.) in the tightening direction. If not, replace the bolt.
   Fig 3: Right Camshaft Sprocket

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   1 - LOOSENED ROCKER ASSEMBLY

   2 - RIGHT CAMSHAFT TDC

5. Install the inner timing cover to cylinder head bolts. Tighten bolts to 54 N.m (40 lbs.ft.).
6. Install camshaft sprocket (2). See Fig 3Counter-hold the camshaft sprocket gear (2) and tighten the camshaft sprocket bolt to 102 N.m plus a 1/4 turn (75 lbs. ft. plus a 1/4 turn). (Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - INSTALLATION) .
   Fig 4: Camshaft Thrust Plate

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   1 - CAMSHAFT THRUST PLATE

   2 - BOLT

   3 - O-RING

7. Install the rear camshaft thrust plate (1) and seal (3) and the EGR valve.
   Fig 5: Identifying Timing Gear Components

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   1 - RIGHT CAMSHAFT GEAR ALIGNMENT MARK	7 - LEFT CAMSHAFT GEAR
   2 - RIGHT CAMSHAFT GEAR	8 - LEFT CAMSHAFT GEAR ALIGNMENT MARK
   3 - CYLINDER HEAD TO INNER TIMING BELT COVER BOLTS - RIGHT	9 - CRANKSHAFT GEAR ALIGNMENT MARK
   4 - TIMING BELT	10 - CRANKSHAFT GEAR
   5 - WATER PUMP PULLEY	11 - TIMING BELT TENSIONER PULLEY
   6 - CYLINDER HEAD TO INNER TIMING BELT COVER BOLTS - LEFT	12 - TIMING BELT TENSIONER

8. Rotate the camshaft gear to it's alignment mark (1) and check the left camshaft gear (7) and crankshaft gear timing alignment marks (9). See Fig 5.
9. Install the timing belt (4) and tensioner (12). (Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - INSTALLATION) .
   Fig 6: Front Timing Belt Cover

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   1 - FRONT TIMING BELT COVER

   2 - ENGINE OIL FILTER

   3 - VIBRATION DAMPER

   4 - TIMING BELT TENSIONER

10. Install the timing belt outer cover (1). (Refer to ENGINE/VALVE TIMING/TIMING BELT/or CHAIN COVER(S) - INSTALLATION) .
    Fig 7: Identifying Serpentine Accessory Drive Belt

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    1 - DRIVE BELT TENSIONER

    2 - POWER STEERING PULLEY

    3 - AIR CONDITIONING COMPRESSOR

    4 - CRANKSHAFT DAMPER

    5 - GENERATOR

    6 - DRIVE BELT

11. Install the power steering reservoir (2).
12. Install the vibration damper (4). (Refer to ENGINE/ENGINE BLOCK/VIBRATION DAMPER - INSTALLATION) .
13. Install the accessory drive belt tensioner (1).
14. Install the accessory drive belt idler pulley. See Fig 7.
    Fig 8: Right Exhaust Pipe To Manifold Union

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    1 - EXHAUST UNION

    2 - HO2S - #2

15. Install the right exhaust manifold. (Refer to ENGINE/MANIFOLDS/EXHAUST MANIFOLD - INSTALLATION) .
16. Raise and support the vehicle.
17. Install the front exhaust pipe (1) and connect the oxygen sensors (2). See Fig 8.
18. Lower the vehicle.
    Fig 9: Ignition Coils - Right Cylinder Head

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    1 - FUEL RAIL

    2 - IGNITION COIL

    3 - CAPACITOR

    4 - ENGINE WIRING HARNESS

19. Install the right rocker arm assembly.
20. Install the right cylinder head cover, ground strap (3) and insulator. See Fig 9.
21. Install lower intake manifold. (Refer to ENGINE/MANIFOLDS/INTAKE MANIFOLD - INSTALLATION) .
22. Install the fuel rail.
23. Install the upper intake manifold. (Refer to ENGINE/MANIFOLDS/INTAKE MANIFOLD - INSTALLATION) .
24. Connect the air cleaner element housing. (Refer to ENGINE/AIR INTAKE SYSTEM/AIR CLEANER HOUSING - INSTALLATION) .
25. Fill the coolant system.
26. Connect the negative battery cable.