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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 7.4L V8 - VIN [N] >> Removal & Installation >> Engine >> Removal & Installation ("P" Series: Parcel vehicle)

Removal & Installation ("P" Series: Parcel vehicle)

  1. Release fuel system pressure. See FUEL PRESSURE RELEASE. Disconnect battery. Remove hood. Drain cooling system.
  2. Remove air cleaner, accessory drive belt, fan and water pump pulley. Remove radiator and fan shroud. Disconnect heater hoses from engine. Disconnect fuel lines, electrical connectors, vacuum hoses, coolant hoses and control cables as necessary.
  3. Remove A/C compressor and power steering pump with hoses attached and set aside (if equipped). Raise and support vehicle. Drain crankcase. Disconnect exhaust pipes from manifolds. Remove starter. Remove flywheel cover. Remove torque converter bolts (A/T).
  4. Remove bellhousing bolts and engine mount through-bolts. Lower vehicle. Support transmission. Attach engine hoist. Remove engine. To install, reverse removal procedure. Fill crankcase and cooling system.
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