Group 17, Lubrication: Notes

Fig 1: Oil/Water Heat Exchanger, Oil Filter Components Location With Torque Specification

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Oil/water heat exchanger, oil filter

1	Oil guide housing
2	Oil-filter cover > Tightening torque 25 (19 ft lb.) Nm
3	Oil filter
4	Oil-filter sealing ring
5	Oil duct adapter (cannot be replaced)
6	Heat exchanger seal
7	Oil-water heat exchanger
8	Screw, M6 x 20; self-tapping screws ex-works; metric screws can also be used > Tightening torque 10 (7.5 ft lb.) Nm

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Applying sealant to oil guide housing

1	Sealant application (geometry, 1-mm bead of sealant)
2	Sealant application - Doboseal 224N (999.915.573.43, status 09/08)
A	Direction of travel

Fig 2: Oil Guide Housing Components Location With Torque Specification

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Oil guide housing with accessories

1	Screw, M6 x 20 > Tightening torque 10 (7.5 ft lb.) Nm
2	Sealing flange
3	Sealing ring
4	Oil guide housing to lower part of crankcase Aluminium screw; always use new aluminium screws > Initial tightening 4 (3 ft lb.) Nm and > Final tightening 90°
5	Oil level sensor
6	Oil level sensor to oil guide housing (steel screw) > Tightening torque 10 (7.5 ft lb.) Nm ;
7	Chain housing cover to oil guide housing Aluminium screw; always use new aluminium screws > Initial tightening 4 (3 ft lb.) Nm and > Final tightening 90°

Fig 3: Oil Pressure Sensor And Oil Pressure Measuring Point Components Location With Torque Specification

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Oil pressure sensor and oil pressure measuring point

1	Oil-pressure sensor adapter
2	Sealing ring
3	Oil-pressure sender with temperature sensor
4	Screw, M6 x 40 > Tightening torque 10 (7.5 ft lb.) Nm
5	Stopper > Tightening torque 15 (11 ft lb.) Nm
6	Sealing ring
A	Direction of travel

Fig 4: Oil Lines Components Location With Torque Specification - Turbo Engine

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Oil lines, turbo engine

1	Oil extraction line for turbocharger, cylinders 1 to 4
2	Oil extraction line for turbocharger, cylinders 5 to 8
3	Intake manifold on oil pump
4	O-ring
5	Oil pressure pipe
6	O-ring
7	O-ring, 22 x 3
8	Oil control line
9	O-ring
10	O-ring
11	Screw, M6 x 16; oil pressure pipe to oil pump and oil guide housing > Tightening torque 12 (9 ft lb.) Nm ; oil control line to oil pump and oil guide housing > Tightening torque 12 (9 ft lb.) Nm ; turbocharger extraction line to oil pump > Tightening torque 12 (9 ft lb.) Nm
12	Screw, M6 x 20 > Tightening torque 12 (9 ft lb.) Nm
A	For arrangement of oil lines, see other illustrations
B	Direction of travel

Fig 5: Oil Lines Components Location With Torque Specification - Naturally Aspirated Engine

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Oil lines on naturally aspirated engine

1	Oil pump intake manifold
2	O-ring
3	Oil pressure pipe
4	O-ring
5	O-ring
6	Oil regulating line
7	O-ring
8	O-ring
9	Screw, M6 x 16; oil pressure pipe to oil pump and oil guide housing > Tightening torque 12 (9 ft lb.) Nm ; oil control line to oil pump and oil guide housing > Tightening torque 12 (9 ft lb.) Nm
10	Screw, M6 x 20 > Tightening torque 12 (9 ft lb.) Nm

Fig 6: Oil Lines Components Location - Intake Manifold On Turbo Engine

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Oil lines, intake manifold on turbo engine

1	Mount for oil extraction line for turbocharger, cylinders 1 to 4
2	Mount for oil extraction line for turbocharger, cylinders 5 to 8
3	Mount for oil separator vent line, cylinders 5 to 8
4	Mount for oil pump intake manifold
6	Mount for oil pressure pipe
9	Mount for oil regulating line
A	Direction of travel

Fig 7: Oil Lines Components Location - Intake Manifold On Naturally Aspirated Engine

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Oil lines, intake manifold on naturally aspirated engine

1	Mount for oil pump intake manifold
2	Mount for oil separator vent line, cylinders 5 to 8
3	Mount for oil pressure pipe
4	Mount for oil regulating line

Fig 8: Oil Pan Components Location With Torque Specification

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Oil pan

1	Oil pan with reusable seal inserted
2	Sealing ring
3	Oil drain plug, M18 x 1.5 > Tightening torque 50 (37 ft lb.) Nm
4	Screw, M6 x 20 > Tightening torque 10 (7.5 ft lb.) Nm
A	Direction of travel

Fig 9: Oil Guide Components Location With Torque Specification (Oil Plate)

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Oil guide (oil plate)

1	Oil guide (oil plate)
2	Oil return seal
3	Screw, M6 x 20 > Tightening torque 10 (7.5 ft lb.) Nm
4	Bulkhead seal
5	Joining socket
6	O-ring
7	Assembly depth until locking lug engages
A	Direction of travel

Fig 10: Oil Pump Components Location With Torque Specification - Turbo Engine With Oil Extraction Stage

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Oil pump on turbo engine with oil extraction stage

1	Oil pump with extraction stage
2	Screw, M8 x 22; replace; 1st turn > Initial tightening 20 (15 ft lb.) Nm ; final tightening (torque angle) > Torque angle 90°
3	Oil pump sprocket
4	Cap screw, M36 x 1.5 x 12 > Tightening torque 40 (30 ft lb.) Nm
5	Solenoid valve
6	O-ring (grease before fitting)
7	Dowel sleeve
8	Screw, M6 x 45 > Tightening torque 13 (9.5 ft lb.) Nm
9	Sprocket cover
10	Screw, M6 x 16 > Tightening torque 10 (7.5 ft lb.) Nm
11	Drive chain
12	Connection for intake manifold joining socket
A	Direction of travel

Fig 11: Oil Pump Components Location With Torque Specification - Naturally Aspirated Engine

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Oil pump on naturally aspirated engine

1	Oil pump
2	Screw, M8 x 22; replace; 1st turn > Initial tightening 20 (15 ft lb.) Nm ; final tightening (torque angle) > Torque angle 90°
3	Oil pump sprocket
4	Cap screw, M36 x 1.5 x 12 > Tightening torque 40 (30 ft lb.) Nm
5	Solenoid valve
6	O-ring (grease before fitting)
7	Dowel sleeve
8	Screw, M6 x 45 > Tightening torque 13 (9.5 ft lb.) Nm
9	Sprocket cover
10	Screw, M6 x 16 > Tightening torque 10 (7.5 ft lb.) Nm
11	Drive chain