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Home >> Toyota >> 1992 >> Cressida >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.0L 6-CYL & 3.0L 6-CYL Turbo - VIN [M] >> Overhaul >> Cylinder Head

Cylinder Head

  1. Inspect cylinder head warpage at cylinder block and manifold surfaces. Replace cylinder head if warpage exceeds specification. See CYLINDER HEAD  table under ENGINE SPECIFICATIONS.
    CAUTION: Ensure camshaft bearing caps are installed in proper locations, with arrows pointing toward front of engine. See Figure.
  2. Install camshaft in cylinder head. Using Plastigage, check camshaft oil clearance. Tighten camshaft bearing cap bolts to specification in sequence when checking oil clearance. See Figure-Figure . See appropriate TORQUE SPECIFICATIONS  table.
  3. Replace camshaft and/or cylinder head if oil clearance is not within specification. See CAMSHAFT  table under ENGINE SPECIFICATIONS.
  4. Check camshaft end play with camshaft bearing cap bolts tightened to specification. Replace camshaft and/or cylinder head if end play is not within specification. See CAMSHAFT table.
  5. Ensure valve lifter bore diameter is within specification. See VALVE LIFTERS  table under ENGINE SPECIFICATIONS.
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