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Old 06-11-2012, 04:54 PM
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6.5 turbo

I have a 98 chevy 2500 with the 6.5 diesel. I have no power and it smokes black smoke whenever I accelerate. I checked the turbo it seems fine. I read that if I can move the waste gate linkage while its running something isn't right. So I can move it while its running. What does this mean?
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Old 06-11-2012, 05:55 PM
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I just got looking at it and the vacuum line going to the waste gate actuator had a hole in it. I patched it up and it didn't seem to fix anything. I could still move the linkage while it was running. I tried tying the waste gate shut and it seemed to make a difference but I didn't want to run it too hard
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Old 06-11-2012, 07:08 PM
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The turbo is controlled by the vacuum operated waste gate. At an idle, you should be able to unplug the vacuum line to the turbo waste gate actuator. If the actuator releases and the vacuum is present at the line, I would install a new waste gate control solenoid, which should be on the driver side of the engine. If you have no vacuum when the line is removed you may have a bad vacuum pump or a bad line.
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Old 06-12-2012, 09:35 AM
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6.5 Diesel

Hi,go to the DIESEL PLACE.Com,click on 6.5 diesel,MUCH more info than you need....
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