Six-cylinder engine
Withdrawal
Disconnect the ground wire from the battery.
Raise the car.
On vehicles produced since September 1984, unscrew the reinforcing frame.
Drain engine oil (see section «Engine oil change»).
Unscrew the steering mechanism from the front axle beam.
Unscrew the earth jumper from the oil sump.
Remove the wire from the oil level sensor from the holder above the oil sump and disconnect the wire.
Unscrew the oil sump and tilt slightly without removing it.
Loosen the oil pump (arrows).
Unscrew the oil bypass valve and remove it with the casing.
Remove oil sump together with pump and valve.
Installation
Check oil pump.
Clean the contact surfaces of the upper and lower parts of the oil pan. Carefully straighten any bent contact surfaces on the lower part of the oil sump.
Coat the contact surfaces of both halves with a universal sealing paste, eg Curil.
Bond the gasket with a small amount of grease, check the fit of the gasket.
Insert oil sump together with oil pump.
Tighten oil pump mounting to 22 Nm.
Insert and screw on the oil bypass valve.
Install oil sump and tighten bolts by hand. Then tighten all bolts to 10 Nm.
Connect the wire of the oil level sensor and fix it in the holder.
Connect ground wire to battery.
Screw the steering gear to the front axle beam and tighten the bolts to 45 Nm.
If the reinforcing frame was removed, install and secure it.
Pour oil into the engine. There are two marks on the oil dipstick. These marks determine the amount of oil poured into the engine. The oil volume between the -min- and -max- marks is 1 liter.
Lower the car.
After the test run, check the tightness of the oil sump and, if necessary, tighten all bolts carefully.