Removing Intake-Air Distributor

V8 naturally aspirated engine M48/01: 

1. Loosen connections on the intake-air distributor.

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   1. Disconnect cable plug for heat socket. -1- 
   2. Disconnect positive crankcase ventilation connection on heat socket. -2- 
   3. Disconnect cable plug for throttle housing and remove it from the sheetmetal clip. -3- 
   4. Disconnect cable connection for tank vent line on the intake-air distributor. -4- 
2. Unclip rear tank vent line at the wire harness. -arrow- 

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3. Loosen screws on intake-air distributor. Illustration shows tightening sequence → Tightening sequence for intake-air distributor (shown on naturally aspirated engine) applies to both naturally aspirated and turbo engines  . Carefully bend line for tank ventilation out of the way in order to access the screws.

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4. Carefully lift the rear intake-air distributor at the shift gate and pull off the vacuum line under the control valve -1-  (difficult to reach, use a mirror). Pull off cable plug for control valve. -2- 

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5. Lift off intake-air distributor.

V8 turbo engine M48/51: 

6. Loosen connections on intake-air distributor on the turbo engine in the same way as on the naturally aspirated engine. -1, 2, 3 and 4- 

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7. Unclip rear tank vent line at the wire harness. -arrow- 

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8. Loosen screws on intake-air distributor. Illustration shows tightening sequence →Tightening sequence for intake-air distributor (shown on naturally aspirated engine) applies to both naturally aspirated and turbo engines  . Carefully bend line for tank ventilation out of the way in order to access the screws.

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9. Pull off vacuum line. -Vacuum line-  

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10. Lift off intake-air distributor.