I don’t understand this is my 3 air dryer I replaced new compressor new discharge line all new fittings new air dryer new fan clutch cyl new gov builds air just fine no water or oil in the tanks no air loss but every time it purge air comes out from purge valve I can hear it turn off truck no air leak turn truck back on no leak from purge until cutoff why would it do that I need help please
Bendix AD-IS Air dryer problems
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Keepontrucking2016, Sep 10, 2021.
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It keeps leaking from purge valve? Is the new govenor adjusted to correct cut out?
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OP, make sure you have the correct part number governor, you cannot swap the governor with just any aftermarket one. I would start with truck model and verifying parts are correct for the application. Is the governor mounted on the dryer?spsauerland, Rideandrepair and Flint1 Thank this. -
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No do not replace with adjustable. It will worsen your condition.
Call Bendix tech line 1800 AIR Brake
Some ADIS are extended purge and continue to drain after purge. Could this be the issue?spsauerland, Ross_Tech and xsetra Thank this. -
Dantow Thanks this.
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