Oil sump
Oil sump |
To remove (in car) |
1. |
Remove the dipstick and put a cloth in the pipe. Suspend the engine from the lifting beam, part no. 83 94 850. Disconnect the oxygen sensor cable. Remove the heat shield (turbo).
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2. |
Raise the car, drain the engine oil and position the lifting trolley under the engine.
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3. |
Remove the front wheels and the air shields. Undo the joint between the front exhaust pipe and the intermediate pipe.
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4. |
Unscrew the front exhaust pipe from the exhaust manifold or, alternatively, from the turbocharger. Detach the three way catalytic converter from its mounting and remove the exhaust pipe.
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5. |
Unscrew the nuts on both sides of the end piece and the rear engine mounting. Raise the lifting trolley, undo the remaining bolts and remove the subframe.
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6. |
Remove the protective plate and oil sump. Leave the guide sleeve in the cylinder block. Wipe up any oil that has dripped out.
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To fit (in car) |
1. |
Check that there are no impurities or other foreign matter in the sump and clean the sealing surfaces with benzine.
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2. |
Apply an even bead of flange sealant, part no. 93 21 795, to the sealing surface of the oil sump and fit the oil sump.
Tightening torque: 22 Nm (16.2 lbf ft) |
3. |
Fit the protective plate.
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4. |
Lift up the subframe and bolt it in place.
Tightening torques: Front: 115 Nm (85 lbf ft) Centre: 190 Nm (140.6 lbf ft) Rear: 110 Nm + 75° (81.4 lbf ft + 75°) |
5. |
Fit and tighten the nuts on the end piece.
Tightening torque: 75 Nm (55.5 lbf ft) |
6. |
Clean the area for the joint in the exhaust pipe.
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7. |
Fit the front exhaust pipe to the exhaust manifold or, alternatively, to the turbocharger. Lubricate the studs on the turbocharger with Molycote 1000 before fitting.
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8. |
Suspend the three way catalytic converter and screw together the joint between the front exhaust pipe and the intermediate pipe.
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9. |
Fit the air shields and wheels.
Tightening torques: Wheels: 110 Nm (81 lbf ft) |
10. |
Make sure the oil plug is tight. Lower the car and fill with engine oil. Put back the dipstick and connect the oxygen sensor cable. Fit the heat shield (turbo).
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11. |
Remove the lifting beam, warm up the engine and check for leaks from the sealing surfaces.
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