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Home >> Nissan-Datsun >> 1987 >> Sentra Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (3.0L V6 - VIN [H] & 3.0L V6 Turbo - VIN [C]) >> Removal & Installation >> Cylinder Head >> Removal

Cylinder Head: Removal

WARNING: This page is about a different car, the 1988 Nissan 300ZX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release pressure from fuel supply system. Set cylinder No. 1 to TDC of compression stroke. Ensure that timing marks are aligned. Disconnect negative battery cable. Drain cooling system.
  2. Remove air cleaner. Remove intake collector cover and collector. Label and disconnect all wiring and hoses interfering with intake manifold removal. Remove air regulator and all hoses as an assembly.
  3. Remove EGR control valve, vacuum switching valve. Remove thermostat housing and attached switches as an assembly.
  4. Remove PCV valve hose and EGR tube. On turbocharged models, remove turbocharger. Remove intake manifold and fuel rail as an assembly. Remove drive belts. Remove exhaust manifold covers. Disconnect exhaust manifold connecting tube.
  5. Mark timing belt-to-camshaft pulleys relationship before removal. Remove cylinder head mounting bolts in reverse order of tightening sequence. See Figure. Bolts should be loosened in 2 or 3 stages.
  6. Remove camshaft pulleys and rear timing cover. Remove timing belt and valve covers. Remove cylinder head with exhaust manifold attached. If necessary, remove exhaust manifold from cylinder head. Remove exhaust manifold bolts in reverse order of tightening sequence. See Figure.
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