Valve housing cover B284
| Valve housing cover B284 | 
| To remove | 
| 1. | Position the wing cover. Engage gear position N and apply the parking brake. 
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| 2. | Undo the expansion tank cap and release any overpressure. | |
| 3. | Raise the car. | |
| 4. | Remove the front spoiler shield.
        
         CV:
        
        Remove
        
         Chassis reinforcement, front subframe, CV | |
| 5. | Position a receptacle under the car, connect a hose (A) and drain the cooling system.   
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| 6. | Drain the transmission fluid. | |
| • | Position a receptacle under the car. | 
| • | Drain the transmission fluid via the drain plug (A). First remove the dipstick tube's plug (B) in order to access with an Allen key. | 
| • | Fit the drain plug with a new seal. Fit also the level plug. Tightening torque, drain plug 45 Nm (33 lbf ft)   | 
| 7. | Remove the oil cooler hose connections from the gearbox. Plug the connections.   | |
| 8. | Remove the charge air pipe. | |
| • | Remove the charge air pipe's lower hose connection and turn it to the side (A). | 
| • | Remove the charge air pipe's lower retaining bolt (B).   | 
| 9. | Remove the lower cooler hose (C) from the cooler. | |
| 10. | Lower the car to the floor. | |
| 11. | Remove the
        
         Battery
        
        and
        
         Battery cover, lower section, B284 | |
| 12. | Remove and move aside the intake hose from the turbo. | |
| • | Remove 1 x hose clip (A). | 
| • | Move the hose (B) aside.   | 
| 13. | Remove the charge air pipe's hose from the turbo and lift away the pipe and the hose. | |
| • | Remove 1 x hose clip (A)   | 
| • | Lift away the hose. | 
| 14. | Remove the bypass valve from the turbo (C) | |
| • | Remove 3 x screws (B). | 
| 15. | Remove the solenoid valve (C) from the turbo, 1 x clip | |
| 16. | Remove the cooler hose from the thermostat housing hose connection.   | |
| • | Remove 1 x hose clip (A). | 
| • | Lift away the hose. | 
| 17. | Disconnect the oil pipes from the cooler's connections. | |
| • | Remove the dust cover for the upper pipe (A). | 
| • | turn
        
         87 92 806 Removal tool, oil pipe automatic transmission
        
        slightly and detach the upper connection (A). At the same time, undo the pipe from the clip.   | 
| 18. | Remove the dust cover for the lower pipe (B) from the oil cooler. Use the removal tool for the oil pipe as above. | |
| 19. | Remove the ground lead (A) and the clip (B) at the starter motor. | |
| • | Remove 1 x nut. | 
| • | Remove 1 x screw.   | 
| 20. | Remove the holder for the connectors and undo the wiring harness | |
| • | Remove 1 x cable tie. | 
| • | Remove 1 x clip. (A)   | 
| • | Unplug 3 x connectors. (B) | 
| • | Remove 2 x nuts (C).   | 
| • | Unplug 1 x connector (D). | 
| • | Remove 1 x mounting (F) | 
| • | Remove 1 x cable tie (E) | 
| 21. | Hold the wiring harness away with
        
         83 95 212 Strap | |
| 22. | Remove the valve housing cover. | |
| • | Remove the two upper screws for the valve housing cover (A)   | 
| • | Raise the car and remove the remaining screws for the valve housing cover | 
| • | Remove the cover (B) using a screwdriver. 
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| • | Remove the
        
         Valve housing
        
        . | 
| To fit | 
| 1. | Lower the car to the floor. | |
| 2. | Clean the contact surfaces. | |
| • | Remove seal residue on the contact surfaces for the gearcase. | 
| • | Clean the sealing surfaces from oil and grease using suitable cleaning agent.   | 
| 3. | Fit the cover on the gearcase. If the cover is damaged then fit a new one. | |
| • | Apply a bead using
        
         90 543 772 Silicone flange sealant
        
        onto the cover and fit the cover onto the gearcase.   | 
| • | Tighten 2 x screws | 
| 4. | Raise the car. | |
| 5. | Fit and tighten the bolts alternately. | |
| • | Fit 9 x screws. | 
| • | Tighten 11 x screws alternately. Tightening torque 13 Nm (10 lbf ft) | 
| 6. | Fit the oil cooler pipes to the gearbox. | |
| • | Fit 1 x nut (A). Tightening torque 6 Nm (4 lbf ft)   | 
| 7. | Lower the car to the floor. | |
| 8. | Fit the oil pipes in the oil cooler | |
| • | Fit the lower pipe (B). Press until the pipe snaps into its position.   | 
| • | Press in the dust cover. | 
| • | Fit the upper pipe (A) into the holder and the oil cooler. Press the pipe until it snaps into its position. | 
| • | Press in the dust cover. | 
| 9. | Remove the strap. | |
| 10. | Fit the ground lead (A) and the clip (B) at the starter motor. | |
| • | Fit 1 x nut.   | 
| • | Fit 1 x screw. | 
| 11. | Fit the holder for the connector and the wiring harness. | |
| • | Plug in 1 x connector (D).   | 
| • | Fit 1 x mounting (F). | 
| • | Fit 2 x nuts (C) | 
| • | Fit 1 x cable tie (E) | 
| • | Plug in 3 x connectors (B)   | 
| • | Fit 1 x clip (A) | 
| • | Fit 1 x cable tie | 
| 12. | Fit the coolant hose to the thermostat housing pipe connection. | |
| • | Fit 1 x hose clip (A).   | 
| 13. | Fit the bypass valve (B) to the turbo.   | |
| • | Fit 3 x screws. 
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| 14. | Fit the intake hose to the turbo (A)   | |
| • | Fit 1 x hose clip | 
| • | Fit the solenoid valve (C) to the turbo. | 
| 15. | Fit the charge air pipe's hose to the turbo. | |
| • | Fit 1 x hose clip (A). | 
| 16. | Raise the car. | |
| 17. | Fit the coolant hose (C) to the cooler.   | |
| • | Fit 1 x hose clip. | 
| 18. | Fit the charge air pipe lower bracket (B). | |
| • | Fit 1 x screw. | 
| 19. | Clean and fit the hose on the charge air pipe and tighten the hose clip (A). | |
| 20. | Remove the plug from the dipstick tube.   | |
| 21. | Lower the car to the floor. | |
| 22. | Fill with gearbox oil | |
| • | Remove the filler plug.   | 
| • | Connect
        
         87 92 822 Oil filling equipment
        
        to the oil filler hole. | 
| • | Fill with automatic transmission fluid in accordance with the specification,
        
         Weight, torque, fluid capacity and grade of fluid
        
        until the oil flows out of the oil plug's dipstick tube. 
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| 23. | Raise the car and fit the plug in the dipstick tube. | |
| 24. | Lower the car to the floor. | |
| 25. | Fill with 1 litre automatic transmission fluid in accordance with the specification,
        
         Weight, torque, fluid capacity and grade of fluid
        
        . Fit the filler plug. Tightening torque 30 Nm (22 lbf ft) | |
| 26. | Fit
        
         Battery cover, lower section, B284
        
        and
        
         Battery
        
        . | |
| 27. | Test pressurise the cooling system in accordance with
        
         Cooling system, test pressurising
        
        . | |
| 28. | Fill with coolant and bleed the cooling system, in accordance with
        
         Bleeding the cooling system
        
        . Do not run the engine to operating temperature before checking the transmission fluid level. | |
| 29. | Apply the parking brake and engage gear position P. Chock the wheels if a track lift is used. Connect an exhaust extractor. | |
| 30. | Start the engine. Move the selector lever from P to D and then from D to P. Allow the selector lever to remain in each gear position (N and R) for at least 2 seconds while applying the foot brake. Repeat this procedure twice. | |
| 31. | Connect Tech 2. Run the engine until the temperature reaches 35-45 °C in the "Read values" menu in TCM. | |
| 32. | Raise the car with the gear selector lever in position P and the engine at idling speed. Remove the level plug and check the fluid level. Fill as necessary. Fit the plug when the fluid stops flowing. Tightening torque 8 Nm (6 lbf ft) | |
| 33. | CV:
        
        Fit
        
         Chassis reinforcement, front subframe, CV | |
| 34. | CV:
        
        Fit
        
         Spoiler shield, front
        
        . | |
| 35. | Carry out
        
         Measures after disconnecting the battery
        
        . | |

 Warning
                     Warning
                     
		