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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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Air leak “whistle hiss” while idling- help
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<p>[QUOTE="SmallPackage, post: 9982463, member: 290219"]Governors are usually the first suspect in the cause of the pressure spike. And the surge/pop-off valve is doing its job in that case. </p><p>I had one go bad that every time that day I’d hit a pretty good jarring bump on a rough ranch road it would pop-off at normal psi. I’d have to physically push it back closed then build psi back up then go down road till the next dang bump. That was a new one to me at the time. Replaced it that night and moved on.[/QUOTE]</p><p><br /></p>
[QUOTE="SmallPackage, post: 9982463, member: 290219"]Governors are usually the first suspect in the cause of the pressure spike. And the surge/pop-off valve is doing its job in that case. I had one go bad that every time that day I’d hit a pretty good jarring bump on a rough ranch road it would pop-off at normal psi. I’d have to physically push it back closed then build psi back up then go down road till the next dang bump. That was a new one to me at the time. Replaced it that night and moved on.[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
Forums
>
The Garage
>
Trucks [ Eighteen Wheelers ]
>
Heavy Duty Diesel Truck Mechanics Forum
>
Air leak “whistle hiss” while idling- help
>