Hey, I got my truck back from the dealership a couple of days ago. First day, they couldn't figure it out. Checked for leaks, found none. Second...
I didn't notice it pulsing before, but yeah I just checked it. It is pulsing like the compressor
Ok thanks for all your efforts. I crawled under the truck trying to find an air leak. I can hear something very very small. I haven't pinpointed...
I've been searching the web, looking for as much information as I can get on the Wabco compressor. Or anything else that might help me on this....
However the main leak coming thru the purge valve stops when the engine is turned off.
The replacement compressor is a Wabco, which I believe is OEM. The compressor stops pumping after the purge until the air pressure drops to about...
The exhaust port is not open on either the old or the new dryer. A black plug on both.
When the dryer purged,the air came out of the governor unload port, at high pressure, much more than a mere leak it was at full power. It was not...
I disconnected the unloader line at the governor. It still leaked until the compressor kicked on. Then it stops leaking until the purge. Just...
The leaking air from the purge valve is pretty loud, I think You might be suggesting that there is a different leak. I will check on that and try...
I have a 2014 Peterbilt 579, Mx13 motor. The air dryer is a Bendix AD IS. When the air pressure goes a little below 100 psi, the compressor kicks...
I think this fairly common. When you get as low as you did, you get some pockets of air in the system. This has happened to me whenever I drain my...
