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How do you test the wastegate actuator? 200

posted by  Jessie on  Sun Aug 4 07:15 CST 2002
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last visit: Tue Jan 18 17:45 CST 2011
[RELATED]

I pulled the actuator off my turbocharger, and I was happy to find a split hose at the actuator, so I am hoping that is my problem. But I tried testing the actuator with bicycle pump, and air just leaks out of it around the shaft. Do you need more airflow then a bicycle pump can put out or should the actuator hold air? It says in the Bentley that the rod should be pretensioned at least 2 mm. Is that so the diaphram will seal in the acutator?
I hope the actuator is Ok. 700 series actuators (with the bent shaft) are a dime a dozen around here, but the 240 intercooled actuators are impossible to find.
Thanks for any words of wisdom in advance.






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