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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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Volvo Forum
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Exhaust line leaks air on brake application.
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<p>[QUOTE="bowtieboy77, post: 11660757, member: 122759"]I have been working on a 2008 volvo vnl plow truck. Regardless if the park valve button is in or out if I make a brake application air will constantly leak out the yellow exhaust line under the cab that I believe runs to the park valve. The unit does have both Yello and red buttons but does not tow and the outlet ports of the tractor protection valve are plugged. I suspect something in the system is back feeding just do not know what. The park valve (dash valve) has been replaced and problem still exists.[/QUOTE]</p><p><br /></p>
[QUOTE="bowtieboy77, post: 11660757, member: 122759"]I have been working on a 2008 volvo vnl plow truck. Regardless if the park valve button is in or out if I make a brake application air will constantly leak out the yellow exhaust line under the cab that I believe runs to the park valve. The unit does have both Yello and red buttons but does not tow and the outlet ports of the tractor protection valve are plugged. I suspect something in the system is back feeding just do not know what. The park valve (dash valve) has been replaced and problem still exists.[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
Forums
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The Garage
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Trucks [ Eighteen Wheelers ]
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Commercial Truck Forums
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Volvo Forum
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Exhaust line leaks air on brake application.
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Reply to Thread