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| Detach hose from vacuum setting element of change-over flap and connect the hand vacuum pump -VAS 6213- instead. |
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| Generate vacuum with the hand vacuum pump. |
l
| The linkage on the vacuum setting element for the change-over flap for radiator of exhaust gas recirculation must move -arrows-. |
If the linkage does not move or only moves with a sudden motion: |
t
| The vacuum setting element for the change-over flap for radiator of exhaust gas recirculation is defective. |
t
| Change-over flap for radiator of exhaust gas recirculation is sluggish. |
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| Replace radiator for exhaust gas recirculation → Chapter. |
Note The heat shield collar should be fitted on again in the same place when installing. |
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