Nissan 11091-V5280 Cylinder Head Assembly

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1. Take off the air conditioning compressor from its bracket and secure it with wire. 2. Remove the distributor hold-down bolt and pull the distributor out. 3. For normally aspirated models, remove the alternator bolts and wire the alternator out of the way; for turbo models, disconnect the turbo from the exhaust manifold and lay it aside. 4. Remove the bolts attaching the air conditioner/alternator bracket to the engine. 5. Remove the bolt and two nuts connecting the crossover pipe to the left side of the exhaust. 6. Remove the nuts from the exhaust manifold on the left side to slide it away from the cylinder head. 7. Remove the rocker arm components and loosen the cylinder head bolts in several stages, keeping them in their original locations using a cardboard organizer. 8. Remove the small bolt at the lower front of the head securing it to the block, then lift the head off the block, taking care not to scratch the mating surfaces.

The valve rocker arms and shafts should be assessed for wear, and the lifter pads should be inspected for scuffing.

Dip the camshafts in engine oil before carefully inserting them into the heads, avoiding contact between the camshaft lobes and the cylinder head casting.

Use the holding lug on the camshaft to secure it with a wrench while loosening the camshaft plate retaining bolt.