This may not be anything but I figured I'd run it past yall just in case. I've been hearing an air sound coming from my break pull knobs on my dash while going down the road. Usually of course you hear that when you first start the truck up in the morning while your tanks are filling up but I don't remember it doing that while going down the road. I looked at the pressure gauge and it was a bit higher than normal and then the relief valve will go and the pressure will drop down as it's supposed to. I don't remember this though in the past. I mean it seems to be something that doesn't typically happen but has been happening more often lately. I don't know it may just be in my head. What do yall think?
Air sound coming from knobs on dash.
Discussion in 'Ask An Owner Operator' started by joseph1853, Apr 25, 2022.
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Either the valve itself is leaking or if you have a brake can that is leaking and you will hear it through the dash valve.
Release the brakes, chock the wheels and crawl under the truck and put your ear up to each brake can and see if you hear air coming out of itVampire, Midwest Trucker, joseph1853 and 2 others Thank this. -
There an o ring in both handles. It's a #####
mjd4277, Vampire, joseph1853 and 1 other person Thank this. -
Could be that the red handle isn't all the way secure onto the trailer. Could also mean one of the o-rings is folded, allowing the air to escape.
joseph1853 Thanks this. -
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