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boost gauge

Does anyone have experience with installing a brake booster mounted boost gauge ? I have installed and have no boost reading. Line to gauge has vacuum and is before check valve so it will read positive pressure of manifold but its not. Gauge checks out to be working properly. Any ideas ?
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Old 05-15-2008, 06:32 PM
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GJF GJF is offline
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Sounds like you may have a leak else where in the line. Possibly at the rear or the car.
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Old 05-15-2008, 07:22 PM
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If it reads vacuum but no boost then you cannot have a leak. It would not do one without the other.
Make sure the check valve is installed correctly as it only works one way. Most likely the cause.
Could be the gage is broken as shipped. I had one sent to me that was broken right outta the box. Had to send it back for a new one.
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Old 05-16-2008, 07:19 AM
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