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Home >> Geo >> 1990 >> Metro Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (1.0L 3-CYL - VIN [5] & 1.0L 3-CYL Turbo - VIN [2]) >> Removal & Installation >> Cylinder Head >> Removal

Cylinder Head: Removal

WARNING: This page is about a different car, the 1988 Chevrolet Sprint. However, it is still accessible from the selected car via links, so may be relevant.
  1. On EFI Turbo models, depressurized fuel system. Disconnect negative battery cable and drain coolant. Remove air cleaner. On EFI Turbo models, remove intercooler, pipes and hoses to airflow meter.
  2. Remove rocker arm cover and distributor. Remove throttle control cable, emission control hoses, coolant hoses and electrical connectors to engine.
  3. Remove brake booster vacuum hose. Remove crankshaft pulley, outer timing belt cover, timing belt and tensioner. Disconnect O2 sensor lead. Remove exhaust pipe at manifold and secondary air valve.
  4. Remove fuel pump and rocker shaft assemblies. Remove engine side mount at cylinder head. Loosen and remove cylinder head bolts. Remove cylinder head and manifolds as an assembly.
CYLINDER HEAD MAXIMUM WARPAGE

Surface In. (mm)
Cylinder Head-to-Block .002 (.05)
Cylinder Head-to-Intake Manifold .004 (.10)
Cylinder Head-to-Exhaust Manifold .004 (.10)
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