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Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Replacement for air pump

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Old May 12, 2012 | 05:51 PM
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wolf1365's Avatar
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From: mid tn
Default Replacement for air pump
Where can I get a idler pulley to replace my air pump assembly, been looking with no luck.
 
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Old May 14, 2012 | 10:22 AM
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ebarresi5894's Avatar
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by air pump do you mean vaccum pump?
 
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Old May 14, 2012 | 05:46 PM
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yeah vacuum air device for providing suction to the waste gate. that's the one..
 
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Old May 15, 2012 | 10:34 PM
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i would check a bone yard for cheap, or SSDiesel Supply :: GM 6.5 TD Specialists, PMD failure, FSD heat sync kit.
 
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Old May 15, 2012 | 11:14 PM
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Why does my 93 6.5 not have a pulley operated vacuum pump?
 
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Old May 16, 2012 | 06:50 AM
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because it has a mechanically actuated waste gate. it has a spring and adjuster, way less simple and way better than the vaccum system
 
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Old May 19, 2012 | 02:21 AM
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so the mechanical wastegate actuator is adjustable? how is it adjusted?
 
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Old May 19, 2012 | 11:06 AM
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i believe there is a nut on the end of the rod.

its almost like a turbo master, but dont quote me yet ill do a little research
 
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