There is what looks to be a keyway at the bottom of the threads. There's an O-ring in the new filter box (TRP p/n AC1001) that will fit over those threads and snug up against the base but it will absolutely obstruct that keyway just a little. What's the purpose for the keyway?
The thread title should say, Bendix.
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Bendix air dryer
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by spindrift, Jun 10, 2021.
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Last edited: Jun 10, 2021
Reason for edit: Auto correct got me. -
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spindrift Thanks this.
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No small oring from the factory on ADIS. Throw it away. Lube seal on filter and put it on.
spindrift Thanks this. -
Someone had previously installed the old O-ring. Could it have done any damage?
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spindrift Thanks this.
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