LEMON Manuals: Even more car manuals for everyone
Home >> Geo >> 1992 >> 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 >> Valves Service

Valves Service

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. Measure thickness of margin on valve head. Intake and exhaust valve margin thickness should measure .039" (1.0 mm). Minimum margin thickness on intake valves is .024" (.60 mm) and .028" (.70 mm) on exhaust valves.
  2. If grinding removes .020" (.50 mm) or more, replace valve. Maximum radial runout is .003" (.08 mm). Contact pattern of each valve width should be .051-.059" (1.30-1.50 mm).
scientia non olet · About LEMON Manuals