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Home >> Geo >> 1991 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL - VINS [5,6] >> Removal & Installation >> Cylinder Head >> Removal (Prizm GSi)

Removal (Prizm GSi)

  1. Remove intake and exhaust manifolds. See INTAKE MANIFOLD and EXHAUST MANIFOLD under REMOVAL & INSTALLATION.
  2. Disconnect necessary coolant hoses and vacuum lines. Remove EGR valve and lines. Remove ignition coil.
  3. Disconnect electrical connections at distributor. Remove distributor cap. Mark rotor-to-distributor housing position and housing-to-cylinder head position. Remove retaining bolt and remove distributor assembly.
  4. Remove timing belt and camshafts. See TIMING BELT and CAMSHAFT under REMOVAL & INSTALLATION.
  5. Remove cylinder head bolts in proper sequence. See Fig 1 . Note location and length of cylinder head bolts for installation reference. Remove cylinder head and gasket.
Fig 1: Cylinder Head Bolt Removal & Installation Sequence (GSi)
G91A00414Courtesy of GENERAL MOTORS CORP.
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