Problem Building Air Pressure when cold | TruckersReport
Oct 25, 2011 · I'm having a weird problem on a 2009 Volvo Truck with a Cummins engine, about 260,000miles. It is having a problem building air. Here's the situation, in the morning, when its cold (I'm in Georgia, so just referring to the truck not being run), I start up the truck (usually I'm low on air pressure, about 70psi or so), it builds up the pressure with no problem and shuts of at 120psi.
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