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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.3L V6 - VINS [W,Z] (Including SYCLONE) >> Removal & Installation >> Engine >> Removal & Installation ("G" Series)

Removal & Installation ("G" Series)

  1. Release fuel system pressure. See FUEL PRESSURE RELEASE  under REMOVAL & INSTALLATION. Disconnect battery. Drain cooling system. Remove engine cover and air cleaner. Remove power steering fluid reservoir.
  2. Remove upper fan shroud, fan, fan pulley, radiator and lower fan shroud. Discharge A/C system (if equipped) using approved refrigerant recovery/recycling equipment. Remove A/C condenser. Remove A/C compressor and brace. Remove alternator. Remove cruise control servo (if equipped).
  3. Disconnect fuel lines, electrical connectors, vacuum hoses, coolant hoses and control cables as necessary. Remove injection unit. Remove distributor cap with wires attached. Remove diverter valve assembly and pipe.
  4. Remove ignition coil and manifold absolute pressure sensor. Remove upper half of engine oil dipstick tube. Remove engine oil filler tube. Remove headlight bezels, grille and upper radiator support (sheet metal cross panel support).
  5. Raise and support vehicle. Drain crankcase. Disconnect exhaust pipes from manifolds. Remove strut rods. Remove flywheel cover. Disconnect oil cooler lines from engine. Remove starter, torque converter bolts (A/T) and engine mount through-bolts.
  6. Lower vehicle. Attach engine hoist. Remove bellhousing bolts. Support transmission. Remove engine. To install, reverse removal procedure. Fill crankcase and cooling system. Evacuate and charge A/C system.