Chevrolet Nova/ChevyII 1962-1979

Oil Pan

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REMOVAL & INSTALLATION



4 and 6 Cylinder Engines
1962-67 VEHICLES
  1. Disconnect the battery ground strap at the battery.
  2.  
  3. Drain the oil from the engine.
  4.  
  5. Disconnect all wires from the starter. Remove the starter.
  6.  
  7. Disconnect the steering idler arm bracket at the right-hand frame rail. Swing the linkage down for pan clearance.
  8.  
  9. Remove the front crossmember from six-cylinder engines only.
  10.  

On a station wagon, let the stabilizer bar hang while removing the crossmember.

  1. Remove the oil pan bolts, drop the pan, and clean off the gaskets and end seals.
  2.  
  3. Reverse the above to install the oil pan.
  4.  

1968-79 VEHICLES
  1. Disconnect the battery ground cable.
  2.  
  3. Remove the front engine mount bolts.
  4.  

Remove the upper radiator panel or side mount bolts from post-1969 cars.

  1. Drain the coolant. Remove the radiator hoses.
  2.  
  3. Remove the fan.
  4.  
  5. Drain the engine oil.
  6.  
  7. On all pre-1974 models, and 1975 and later models with manual transmission, disconnect and remove the starter.
  8.  
  9. Disconnect the oil cooler lines and remove the converter housing underpan.
  10.  
  11. Disconnect the steering rod at the idler lever. Swing the linkage to one side for pan clearance.
  12.  
  13. Rotate the crankshaft until the timing mark on the torsional damper is at the six o'clock position.
  14.  
  15. Raise the engine enough to insert 2X4 in. blocks under the engine mounts.
  16.  
  17. Unbolt oil pan. On some models it may be necessary to remove the oil pump and intake pipe for clearance. On Nova, remove the left engine mount and frame bracket. Lower the pan slightly and roll it into the area where the mount was. Then tilt the front of the pan up and pull it down and to the rear. Lower the pan.
  18.  
  19. Reverse the above to install the oil pan.
  20.  

V8 Engines
1964-67 VEHICLES
  1. Disconnect the battery ground cable.
  2.  
  3. Drain the engine oil into a suitable container.
  4.  
  5. Disconnect and remove the starter.
  6.  
  7. Disconnect the steering idler arm bracket at the right frame rail. Swing the linkage down for clearance.
  8.  
  9. Disconnect the exhaust pipes from the manifolds.
  10.  
  11. Remove the oil pan.
  12.  
  13. Installation is the reverse of the above.
  14.  

1968 AND 1970-79 VEHICLES
  1. Disconnect the battery ground cable.
  2.  
  3. Remove the distributor cap.
  4.  
  5. Remove the radiator upper mounting panel.
  6.  
  7. Remove the fan. On Mark IV (big block) engine models, place a piece of heavy cardboard between the radiator and fan.
  8.  
  9. Drain the engine oil.
  10.  
  11. Disconnect the exhaust or crossover pipes.
  12.  
  13. Remove the converter housing underpan and splash shield.
  14.  
  15. Disconnect the steering idler lever at the frame. Swing the linkage down.
  16.  
  17. Rotate the crankshaft until the timing mark on the torsional damper is at the six o'clock position.
  18.  
  19. Remove the starter.
  20.  
  21. On small block V8s through 1970, remove the fuel pump.
  22.  
  23. Remove the front engine mount thru-bolts.
  24.  
  25. Raise the engine and insert blocks under the engine mounts. Block thickness should be 2 in.
  26.  
  27. Remove the oil pan.
  28.  
  29. Installation is the reverse of the above.
  30.  

1969 VEHICLES
  1. Disconnect battery positive cable. Remove the distributor cap and set it aside.
  2.  
  3. Remove the upper radiator mounting panel. On cars with 396 engines, put a piece of heavy cardboard between the fan and radiator.
  4.  
  5. Drain the engine oil. Disconnect the exhaust pipes (dual exhaust) or crossover pipe. On vehicles with automatic transmissions, remove the pan located under the converter housing and the splash shield.
  6.  
  7. Disconnect the steering idler lever at the frame and swing the linkage down and out of the way.
  8.  
  9. Rotate the crankshaft until the timing mark on the vibration damper is at 6 o'clock position.
  10.  
  11. Disconnect the starter brace at the starter. Then, remove the inboard starter bolt, but just loosen the outboard bolt slightly. Swing the starter outward using the outboard bolt as a hinge.
  12.  
  13. Remove the through bolts from the two front engine mounts.
  14.  
  15. Raise the engine far enough to place a 2" long wooden block between the mounts and the crossmember on either side. Use a suitable jack (with a block of wood to protect the oil pan) on 396 engines. On smaller V8s a special tool such as Chevrolet Tool J-8105 is required. To raise the engine with the special device shown:
  16.  
    1. A. Punch out pin, remove tip, and then remove the yoke from the bolt portion of the tool.
    2.  
    3. Insert the bolt portion of the tool upward through the hole in the crossmember, and screw the yoke onto the bolt.
    4.  
    5. Place the tip on the end of the bolt. Then turn the bolt with the tip centered under the vibration damper. Continue to turn the bolt until the engine has been raised 2" for installation of support blocks.
    6.  

  17. Remove the oil pan bolts, and remove the oil pan.
  18.  
  19. To install, reverse the removal procedure, bearing the following in mind:
  20.  
    1. Clean all gasket surfaces thoroughly. Use all new gaskets.
    2.  
    3. Install front and rear seals snugly in appropriate grooves so they will butt up against side gaskets.
    4.  
    5. Install side gaskets on block using gasket sealer as a retainer.
    6.  


 
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