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Home >> GMC >> 1981 >> Forward Control 4.8L Eng VIN T, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Oil Pan Removal >> General Motors >> 6-Cylinder Engines >> "G" Van Models With 4.1L (250") & 4.8L (292") Engines

"G" Van Models With 4.1L (250") & 4.8L (292") Engines

  1. Disconnect battery cable and remove engine cover. Remove air cleaner and studs. Remove fan guard. Remove radiator upper supports. Raise vehicle.
  2. If vehicle is equipped with a standard transmission, perform the following steps before continuing: Disconnect clutch cross shaft from left front mount bracket. Remove transmission-to-bell housing upper bolt. Remove transmission rear mount bolts and install two 7/16" X 3" bolts. Raise transmission using jack and install 2" block between mount and crossmember.
  3. Remove starter and drain engine oil. Remove engine mount bolts. Raise engine sufficiently to insert wooden blocks between engine mounts and crossmember brackets.
  4. Remove flywheel splash shield or torque converter cover as applicable. Remove oil pan attaching bolts and remove oil pan.