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Izuzu NPR / GMC W4500, need help

Discussion in 'Trucks and Trailers' started by powersweeping, Apr 20, 2011.

  1. powersweeping

    powersweeping LawnSite Member
    Posts: 1

    Hey guys,

    I hope you can give some advice before I visit the mechanic.

    It is a 2004 GMC W4500 diesel truck. When the exhaust brake is on, the truck shuts off every time before stopping on a traffic light. It looks like the exhaust brake takes all the air for the truck's engine and it stalls it. The brake was working, but for some time it has making a noise when active. When the exhaust brake is turned off, the truck does not shut off and it works fine.

    Any help here would be very appreciated.


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