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Home >> Geo >> 1989 >> Metro Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (1.0L 3-CYL - VIN [5] & 1.0L 3-CYL Turbo - VIN [2]) >> Removal & Installation >> Cylinder Head >> Inspection

Cylinder Head: Inspection

WARNING: This page is about a different car, the 1987 Chevrolet Sprint. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check head gasket mating surface for warpage. Maximum allowable warpage of cylinder head is .002" (.05 mm). If specifications are exceeded, correct surface or replace cylinder head.
  2. Measure flatness of intake and exhaust manifold mating surfaces. Maximum allowable warpage is .004" (.10 mm). If specifications are exceeded, correct surface or replace cylinder head.