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| Pull vacuum hose off vacuum unit and connect hand vacuum pump -VAS 6213-. |
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| Operate hand vacuum pump to create a vacuum. |
l
| The linkage of the changeover for the exhaust gas recirculation cooler must move -arrows-. |
If linkage does not move or only moves in jerks: |
t
| Vacuum actuator is defective. |
t
| Changeover flap for exhaust gas recirculation is tight. |
Note Fit heat shield sleeve in the same place when installing. |
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