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Home >> Chevrolet >> 2001 >> Tracker 2D Utility, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Engine Mechanical - 2.0L DOHC 4-Cylinder >> Overhaul >> Cylinder Head >> Valve Guides

Valve Guides

  1. Measure valve stem-to-valve guide oil clearance. See CYLINDER HEAD  table under ENGINE SPECIFICATIONS. Ensure valve stem diameter is within specification. Replace valve guide if clearance exceeds specification.
  2. To replace valve guide, use hammer and Valve Guide Remover/Installer (J37968). Drive valve guide out from bottom of cylinder head toward top of cylinder head. Ream valve guide bore with .43" (11.0 mm) Reamer (J-37972).
    NOTE: New valve guide is .0012" (.03 mm) oversize.
  3. Gradually heat cylinder head to 176-212°F (80-100°C). Heat cylinder head uniformly to prevent head warpage. Install valve guide using hammer and Valve Guide Remover/Installer (J37968). Drive .0012" (.03 mm) oversize valve guide into cylinder head from top. Install valve guide so installed height above cylinder head surface is .53" (13.5 mm). Use .24" (6.0 mm) Reamer (J-38342) to ream valve guide and clean hole.
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