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A hissing sound behind the dash. If you are stopped there is
A hissing sound behind the dash. If you are stopped there is no sound and if you rev the engine there is no sound. If you are climbing a hill the sound gets louder and goes to nothing on flat. All the… read more
Daniel Wilson
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I have a 99 379 peterbilt that is throwing a # 25 code . It​ has a series 60 Detroit. What is causing it to throw that code #? … read more
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I have a peterbilt 2009 with a isx cummins. IN PARK I HAVE
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1994 Peterbilt 379 with 60 series Detroit diesel- The brake
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I have a 2009 peterbilt 387 my oil temp has run hot and im
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I have a prostar eagle 2010 but the engine say 2009 heres
I have a prostar eagle 2010 but the engine say 2009 here's my question the fan run all the time not as when u go up hill but it never stop my truck never get hot and I think it's because of the fan al… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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dieseldan55

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