Group 17, Lubrication

Fig 1: Identifying Oil/Water Heat Exchanger, Oil Filter (2WD)

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1. Oil guide housing
2. Oil-filter cover → Tightening torque: 25 Nm (19 ftlb.) 
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 Nm (7.5 ftlb.) 

Fig 2: Identifying Oil/Water Heat Exchanger, Oil Filter (4WD)

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1. Oil guide housing
2. Oil-filter cover → Tightening torque: 25 Nm (19 ftlb.) 
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 Nm (7.5 ftlb.) 

Fig 3: Applying Sealant To Oil Guide Housing

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

1. Direction of travel

Fig 4: Identifying Seal For Oil Guide Housing (4WD)

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1. Sealant application (geometry, sealing bead 1 mm); Doboseal 224N (999.915.573.43, status 09/08)

Fig 5: Identifying Oil Guide Housing With Accessories

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1. Screw, M6 x 20 → Tightening torque: 10 Nm (7.5 ftlb.) 
2. Sealing flange
3. Sealing ring
4. Oil guide housing to lower part of crankcase Aluminum screw  ; always use new aluminum screws → Initial tightening: 4 Nm (3 ftlb.)  and → Final tightening: 90° 
5. Oil level sensor
6. Oil level sensor to oil guide housing (steel screw) → Tightening torque: 10 Nm (7.5 ftlb.)  ;
7. Timing-case cover to oil guide housing Aluminum screw  ; always use new aluminum screws → Initial tightening: 4 Nm (3 ftlb.)  and → Final tightening: 90° 

Fig 6: Identifying Oil Pressure Sensor And Oil Pressure Measuring Point

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1. Oil-pressure sensor adapter
2. Sealing ring
3. Oil-pressure sender with temperature sensor
4. Screw, M6 x 40 → Tightening torque: 10 Nm (7.5 ftlb.) 
5. Plug → Tightening torque: 15 Nm (11 ftlb.) 
6. Sealing ring

1. Direction of travel

Fig 7: Identifying Oil Lines, Naturally Aspirated Engine

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1. Oil pump intake manifold; screw, M6 x 20
2. Sealing ring
3. Oil pressure pipe; screw, M6 x 16
4. Sealing ring
5. Sealing ring; oil before fitting
6. Control oil line; screw, M6 x 16
7. Sealing ring
8. Sealing ring; oil before fitting
9. Oil pipes to oil pump and oil guide housing → Tightening torque: 12 Nm (9 ftlb.) 
10. Oil pipes to oil pump and oil guide housing → Tightening torque: 12 Nm (9 ftlb.) 

Fig 8: Identifying Oil Lines, Turbo Engine
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1. Extraction pipe between oil pump and turbocharger (inserted into oil guide housing)
2. Extraction pipe between oil pump and turbocharger (inserted into oil guide housing)
3. Oil pump intake manifold
4. Sealing ring
5. Oil pressure pipe
6. Sealing ring
7. Sealing ring; oil before fitting
8. Oil regulating line
9. Sealing ring
10. Sealing ring; oil before fitting
11. Oil pipes to oil pump and oil guide housing → Tightening torque: 12 Nm (9 ftlb.) 
12. Oil pipes to oil pump and oil guide housing → Tightening torque: 12 Nm (9 ftlb.) 

Fig 9: Identifying Oil Lines, Turbo Engine, View With Oil Pan Removed

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1. Mount for oil pressure pipe
2. Mount for oil extraction line for turbocharger, cylinders 5 to 8
3. Mount for oil extraction line for turbocharger, cylinders 1 to 4
4. Mount for auxiliary sump intake manifold
5. Mount for oil pump intake manifold
6. Mount for oil regulating line

Fig 10: Identifying Oil Lines, Naturally Aspirated Engine, View With Oil Pan Removed

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1. Mount for oil pressure pipe
2. Mount for auxiliary sump intake manifold
3. Mount for oil pump intake manifold
4. Mount for oil regulating line

Fig 11: Identifying Oil Pan

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1. Oil pan
2. Seal; replace following removal
3. Seal; replace following removal
4. Oil drain plug, M18; aluminum screw; can be reused → Tightening torque: 30 Nm (22 ftlb.) 
5. Screw, M6 x 20 → Tightening torque: 10 Nm (7.5 ftlb.) 

Fig 12: Identifying Oil Return (Oil Plate) 2WD

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1. Oil guide (oil plate)
2. Oil return seal
3. Screw, M6 x 20 → Tightening torque: 10 Nm (7.5 ftlb.) 

Fig 13: Identifying Oil Guide (Oil Plate) And Oil Return Seal (4WD)

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1. Oil guide (oil plate)
2. Oil return seal
3. Screw, M6 x 20 → Tightening torque: 10 Nm (7.5 ftlb.) 

Fig 14: Identifying Oil Pump, Turbo Engine

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1. Oil pump with extraction stage
2. Screw, M8 x 22; replace; 1st turn → Initial tightening: 20 Nm (15 ftlb.)  ; Final tightening (torque angle) → Torque angle: 90° 
3. Oil pump sprocket
4. Cap screw, M36 → Tightening torque: 40 Nm (30 ftlb.) 
5. Solenoid valve
6. Sealing rings (grease before fitting)
7. Dowel sleeve
8. Screw, M6 x 45 → Tightening torque: 13 Nm (9.5 ftlb.) 
9. Sprocket cover
10. Screw, M6 x 16 → Tightening torque: 10 Nm (7.5 ftlb.) 
11. Drive chain

Fig 15: Identifying Oil Pump, Naturally Aspirated Engine

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1. Oil pump
2. Screw, M8 x 22; replace; 1st turn → Initial tightening: 20 Nm (15 ftlb.)  ; Final tightening (torque angle) → Torque angle: 90° 
3. Oil pump sprocket
4. Cap screw, M36 → Tightening torque: 40 Nm (30 ftlb.) 
5. Solenoid valve
6. Sealing rings (grease before fitting)
7. Dowel sleeve
8. Screw, M6 x 45 → Tightening torque: 13 Nm (9.5 ftlb.) 
9. Sprocket cover
10. Screw, M6 x 16 → Tightening torque: 10 Nm (7.5 ftlb.) 
11. Drive chain

Fig 16: Identifying Suction Tube For Auxiliary Sump

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1. Suction tube for auxiliary sump
2. Sealing ring
3. Screw, M6 → Tightening torque: 12 Nm (9 ftlb.) 

3 Magnifying glass  - View of click position