Operation CHARM: Car repair manuals for everyone.

Oil Extraction Pump - Engine Installed




Removing and installing oil extraction pump - engine installed

Oil extraction pump of cylinder bank 1 - 3 (flywheel side)

Removal
1. Remove left rear wheel.
2. Remove diagonal braces and strut panel.





3. Remove exhaust manifold of cylinder bank 4 - 6.
4. Pull plug connections of the oxygen sensors up and out of the holders on the rear-axle support.





5. Detach cable between engine and rear-axle support at the rear-axle support. When loosening, hold with a second wrench (a/f 13).





6. Unscrew four fastening screws on both sides of the rear-axle support (a/f 15) and remove rear-axle support to the left side.





7. Unscrew four fastening screws and remove the oil extraction pump.

Installation
1. Lightly grease the new sealing ring and lay it in the oil extraction pump.





2. Align oil extraction pump driver and fit oil extraction pump in the correct position. The arrow for the direction of rotation or the marking "l - 3" must face the crankcase. Screw in new micro-encapsulated hexagon-head bolts. Tightening torque: 10 Nm (7.5 ft. lbs.)
3. Fit rear-axle support. Tightening torque: 65 Nm (48 ft. lbs.)
4. Fit cable.
5. Fit exhaust manifold with new gaskets. Fit the gasket in the correct position between the exhaust manifold and cylinder head. The bent-up sheetmetal tab must point upward toward the cylinder head. Tightening torque: 25 Nm (19 ft. lbs.)
6. Mount rear wheel. Tightening torque: 130 Nm (96 ft. lbs.)

Oil extraction pump of cylinders 4 - 6 (pulley side)

Removal
1. Remove rear underbody cover.





2. Unscrew four fastening screws and remove the oil extraction pump.

Installation
1. Lightly grease the new sealing ring and lay it in the oil extraction pump.





2. Align oil extraction pump driver and fit oil extraction pump in the correct position. The arrow for the direction of rotation or the marking "4 - 6" must face the crankcase.
3. Fit the underbody cover.