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Home >> Fiat >> 1978 >> 128 Base, 2D Sedan >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 128 & X1/9 4 Cylinder >> Valves >> Valve Guide Servicing

Valve Guide Servicing

  1. With cylinder head removed and disassembled, check clearance between valve stem and valve guide. If clearance is more than 0.006", and valve stem is not worn, valve guide must be replaced.
  2. Drive guide from cylinder head using a suitable driver (A.60153). Use same driver to install guides with a suitable spacer installed (6A intake and 6S exhaust).