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| Remove heat shield sleeve. |
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| Detach vacuum hose from vacuum unit and connect hand vacuum pump -VAS 6213- in its place. |
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| Operate hand vacuum pump to create a vacuum. |
l
| The linkage of the changeover for the exhaust gas recirculation cooler moves -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 Reinstall heat insulation sleeve in the same location when assembling. |
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