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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.7L V8 - VIN [K] >> 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. Drain cooling system. Remove engine cover and floor panel sections from inside vehicle.
  2. Remove air cleaner, duct and exhaust heat stove pipe. Remove distributor cap and set aside. Disconnect all engine harness electrical connectors and set harness aside. Disconnect fuel lines from throttle body injection unit. Remove fuel line clamps from transmission and set fuel lines aside.
  3. Disconnect hydraulic line from clutch slave cylinder. Disconnect ground strap from rear end of left cylinder head. Disconnect all transmission harness electrical connectors and set harness aside. Remove transmission shift lever (M/T).
  4. Remove upper radiator hose, all accessory drive belts, fan, fan pulley, fan shroud and lower radiator hose. Remove engine oil filler tube. Raise and support vehicle. Disconnect exhaust pipes from manifolds. Disconnect battery cable from clamp on cylinder block.
  5. Disconnect drive shaft from transmission. Remove transmission mount. Disconnect oil cooler lines from oil filter adapter. Disconnect oil cooler line clamps from engine. Attach engine hoist.
  6. Remove engine mount through-bolts. Remove engine and transmission assembly through side door. To install, reverse removal procedure. Fill crankcase and cooling system.
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