Control module, incl. solenoid valve (724)
| Control module, incl. solenoid valve (724) | 
        
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| Important | ||
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         It is very important to observe maximum cleanliness when working on the differential clutch. Dirt particles can seriously damage the function and service life of the differential clutch.  | 
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| To remove | 
| 1. | 
        Carry out
        
         Procedures before dismantling the control module
        
        .
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| 2. | 
        Raise the car.
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| 3. | 
        Remove the
        
         exhaust system
        
        .
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| 4. | 
        Remove the
        
         propeller shaft
        
        .
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| 5. | 
        Unhook the hooks (A) from the control module and remove the protective cover (B) from the hydraulic pump.
         
        
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| 6. | 
        Undo the cable clips (A).
         
        
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| 7. | 
        Remove the electrical connection (A).
         
        
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| 8. | 
        Use a column jack as support for the differential clutch, secure with strap (A).
         
        
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| 9. | 
        Remove the bolts (B) for the differential clutch and limited slip differential.
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| 10. | 
        Lower the differential clutch and limited slip differential as far as the control module can be removed, take care that the drive shaft universal joints are not damaged.
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| 11. | 
        Pull out the lock pin and remove the electrical connection (A).
         
        
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| 12. | 
        Remove the control module and the valve (B).
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| To fit | 
| 1. | 
        Fit the control module and the valve (B).
         Tightening torque: 5.7 Nm (4.2 lbf ft) 
  
        
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| 2. | 
        Fit electrical connection (A).
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| 3. | 
        Raise the differential clutch and limited slip differential.
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| 4. | 
        Fit the bolts (B) for the differential clutch and limited slip differential.
         Tightening torque: 90 Nm (66.4 lbf ft) + 90°+15°  
        
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| 5. | 
        Remove the strap (A).
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| 6. | 
        Fit electrical connection (A).
         
        
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| 7. | 
        Fit cable clip (A).
         
        
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| 8. | 
        Fit the protective cover (A) to the hydraulic pump and hook the hooks (B) into the control module.
         
        
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| 9. | 
        Fit the
        
         propeller shaft
        
        .
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| 10. | 
        Fit the
        
         exhaust system
        
        .
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| 11. | 
        Lower the car to the floor.
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| 12. | 
        Perform
        
         Procedure after changing the control module
        
        .
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                Warning