To remove

Remove CYLINDER HEAD .
Fit the right-hand engine mounting. Following which, remove the jack and wood block under the oil sump.

Fig 1: Illustration For Step 1
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Pull up the dipstick pipe from the oil sump.
Remove any burrs and carbon deposits from the tops of the cylinders.
Raise the car.
Place a receptacle under the car and drain the engine oil.
Fit the oil plug with a new seal.
Tightening torque 25 Nm (18 lbf ft)
Unplug the oil level sensor connector.

Fig 2: Illustration For Step 7-9
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the lower fixing bolt for the A/C compressor.
Up to M04 inclusive: Undo the rear torque arm bolt and remove the front bolts.
Remove the oil pan fixing bolts.

Fig 3: Illustration For Step 10, 11
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Place a screwdriver between the pan and the timing cover at the AC compressor, and carefully pry the oil sump loose.
Remove the connecting rods' bearing caps. Push the pistons and connecting rods up out of the cylinder bores.

Fig 4: Illustration For Step 12
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Lower the car and carefully lift out the pistons. Note the marking on the pistons and connecting rods so that they can be refitted in their original positions. Fit the bearing shells and bearing caps loosely on the connecting rods so that the parts do not get mixed up.
Remove the piston rings.

Fig 5: Illustration For Step 14
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Clean any carbon and oil from the piston ring grooves in the pistons.