Medium and Heavy Trucks

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I have a 2012 Kenworth with several fault codes, EGR Delta
Hello, I have a 2012 Kenworth with several fault codes, EGR Delta pressure, Barometric Pressure,Intake Manifold Pressure Exhaust inlet presure and boost pressure, I replaced the EGR sensor and cleaned… read more
Mike Mcmillan
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I have a 2012 t800 Kenworth that I'm having headlight issues
I have a 2012 t800 Kenworth that I'm having headlight issues with. I've replaced the front section of the harness going to the headlights and fog lights along with two new headlight bucket assemblies … read more
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BrentR718
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2012 Kenworth t660 cab ac is working properly is blowing
2012 Kenworth t660 cab ac is working properly is blowing cold air. … read more
BrentR718
BrentR718
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1997 kenworth t800 with Cummins m11. Bought truck found for
1997 kenworth t800 with Cummins m11. Bought truck found for unknown reason the owner swapped out the instrument levers on the right side … read more
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Are the 2016 T680 Kenworth tractors compliant with
Are the 2016 T680 Kenworth tractors compliant with California emissions … read more
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I'm looking for electrical manual for 1990 T800 Kenworth is
I'm looking for electrical manual for 1990 T800 Kenworth is this something you can help me with … read more
Wayne
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Vocational, Technical or Trade Scho
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My Thermo APU has a Red Triangle Displayed this newer APU so
My Thermo King APU has a Red Triangle Displayed this newer APU so no.fault codes are displayed it starts very rough then shi … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a kenworth and my epu won't start. 2016 Kenworth t680
Hey JA: Hi. How can I help? Customer: I have a kenworth and my epu won't start JA: What's the make/model/year of your truck? Engine type? Customer: 2016 Kenworth t680 Cummin JA: Are you fixing your tr… read more
Mike Mcmillan
Mike Mcmillan
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I'm a grain farmer and I'm looking to buy a used semi. I
I'm a grain farmer and I'm looking to buy a used semi. I have a Freightliner that I'm trading off. We also have a 2011 t800 curved glass Kenworth that I like but have had a couple of engine issues but… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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2012 Kenworth, no high beams on right and no low beam on
2012 Kenworth, no high beams on right and no low beam on left. Fuses for chassis node are good, bulbs are good. Looking for wiring diagram from lights to chassis node … read more
Andy
Andy
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Do you know why or what the difference is on a t800 v t 660
Do you know why or what the difference is on a t800 v t 660 kenworth in the wiring that I can't put a smart start on a t800 … read more
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Having troubles with a 2012 Kenworth. No hood signals. Rear
Having troubles with a 2012 Kenworth. No hood signals. Rear signals work. Finding that they run through the CECU and the Chassis Node. Wondering if its possible to get a wiring diagram for the signal … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a 2002 Kenworth T800 and the heater is only working
I have a 2002 Kenworth T800 and the heater is only working on one setting and then heating gives out altogether. I've bought a blower motor resistor to replace the old one...but I can't find where the… read more
Jeremy
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2015 Kenworth t680 with factory installed battery based APU.
2015 Kenworth t680 with factory installed battery based APU. Espar bunk heater will not come on. I disconnected all batteries to try a reboot. This did not help. The fan does not try to start.… read more
Wayne
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I have an 06 Kenworth T800 and the instrument cluster is totally
I have an 06 Kenworth T800 and the instrument cluster is totally inoperative. I have looked for fuses and haven't found one blown. Is this going to require a new cluster, or is there something else I … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a thermo king trip pay apu It will start if the temp
Hi. I have a thermo king trip pay apu It will start if the temp is set very warm like 90 or cold. It's like it is running in auto mode it brings the cab temperature up to said set point then apu shut … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Peterbuilt trucks, my sons driving 2011, in the mid west.
Peterbuilt trucks, my son's driving 2011, in the mid west. He says his brakes are Squishy in the sub zero cold weather. Had it checked but found nothing, carrying 70,000lb. loads. Any Service bulletin… read more
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We have a 2006 T800 Kenworth. The ac hasnt worked since we
We have a 2006 T800 Kenworth. The ac hasnt worked since we bought it last year so I am getting it going. The condensor fan on the roof does not work-no power getting to it even when put to manual. The… read more
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