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Home >> Isuzu >> 1992 >> Impulse XS, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL - VINS [4,5,6] & 1.8L 4-CYL - VIN [8] >> Removal & Installation >> Camshaft >> Removal (DOHC)

Removal (DOHC)

  1. Disconnect negative battery cable. Remove PCV hoses from valve cover. Remove center cover from valve cover. Remove spark plug wires from spark plugs and clips. Remove upper timing belt cover. Remove valve cover bolts, valve cover and gasket.
  2. Rotate crankshaft so No. 1 cylinder is at TDC of compression stroke. Ensure timing mark on crankshaft pulley aligns with "0" mark on timing belt cover.
  3. On non-turbo vehicles, disconnect electrical connections at distributor. Remove distributor cap. Mark rotor-to-distributor housing position and housing-to-cylinder head position. Remove retaining bolt and distributor assembly.
  4. On turbo vehicles, remove cam angle sensor. On all vehicles, remove timing belt and sprocket(s) from camshaft(s). Remove timing belt. See TIMING BELT  under REMOVAL & INSTALLATION.
  5. Remove camshaft bearing cap bolts in proper sequence. See Fig 1 . Note location of camshaft bearing caps for reassembly reference. Remove camshaft bearing caps, camshaft and seals.
Fig 1: Camshaft Bearing Cap Bolt Sequence (DOHC)
G91G00402Courtesy of ISUZU MOTOR CO.