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| Detach heat shield sleeve. |
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| Remove the vacuum hose from the vacuum socket and connect the Manual vacuum pump -VAS 6213- instead. |
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| Operate hand vacuum pump to create a vacuum. |
l
| The linkage of the exhaust gas recirculation cooler changeover must move -arrows-. |
If linkage does not move or only moves in jerks: |
t
| The vacuum unit is defective. |
t
| The change-over flap for exhaust gas recirculation is sticking. |
Note When fitting the heat protection plate, fit to the same location. |
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