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Home >> Mazda >> 1997 >> 626 ES, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 2.5L V6 >> Removal & Installation >> Cylinder Head >> Removal

Cylinder Head: Removal

  1. Release fuel pressure. See FUEL PRESSURE RELEASE . Drain cooling system. Disconnect negative battery cable. Remove spark plug wires. Remove timing belt. See TIMING BELT . Remove retaining bolt and distributor (if necessary). Remove intake manifold. See INTAKE MANIFOLD .
  2. Remove upper radiator hose and water outlet. Install engine support. Remove through bolt from No. 3 engine mount and remove bracket from front of engine. See Fig 1. Remove retaining bolts and seal plate from front of cylinder head. Remove front exhaust pipe.
  3. Remove generator bracket. Remove retaining bolts, valve cover and gasket. Remove camshaft pulleys while holding camshafts with wrench on cast hexagonal area of camshaft. Remove camshafts. See CAMSHAFT R & I .
    CAUTION: Cylinder head bolts must be loosened in proper sequence to prevent cylinder head warpage. See Fig 2.
  4. Temporarily install No. 3 engine mount to support engine. Remove engine support. Loosen cylinder head bolts in sequence using several steps. See Fig 2. Remove cylinder head bolts and washers, cylinder head and gasket.
Fig 1: Exploded View Of Cylinder Head & Components
G97I08217Courtesy of MAZDA MOTORS CORP.
Fig 2: Cylinder Head Bolt Removal & Installation Sequence
G93H01814Courtesy of MAZDA MOTORS CORP.
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