Medium and Heavy Trucks

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We have an 01 that when we tried to crank it, it would
hi, we have an 01 Thomas that when we tried to crank it, it would continue to crank once the key was off and removed until it eventually sputtered out. we were told to start with starter replacement -… read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
2011 t800 kenworth curved glass last 6 of vin 289802. fan
2011 t800 kenworth curved glass last 6 of vin 289802. Bunk fan quit working out of the blue. Seems to be a power issue. Check fuses under steering wheel and under hood. All seems perfect. Any suggesti… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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My 2015 kwt680 has code spn1078 fmi 4. Says engine fuel
My 2015 kwt680 has code spn1078 fmi 4. Says engine fuel injection pump 1 speed/position sensor voltage low or source shorted. I am experiencing a torque derate. I recently replaced nox sensor bc of a … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2015 int pro star don't have power to clutch full
i have a 2015 int pro star don't have power to clutch full of Freon high and low switchs good no blown fuse's what is the problem … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I need wiring diagram / schematic VN ECM Version 3 VIN
Hello I need wiring diagram / schematic for Volvo VN ECM Version 3 VIN 149908 Year is 2015… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Parking brake light will not go out on the dash once brakes
Parking brake light will not go out on the dash once brakes are released. Brakes are not dragging and there are no other issues other than the light.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
3,991 satisfied customers
Curtis,i have a 1985-1987 3394 case tractor. it quit moving,
hi curtis,i have a 1985-1987 3394 case tractor. it quit moving, so we pulled the clutch valves and checkd the clutch adjustment, he said it was fine and set right, we checked voltage on the solenoids,… read more
Curtis B.
Curtis B.
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Associate Degree
991 satisfied customers
I am working on a Freightliner and I am trying to remove the
I am working on a Freightliner and I am trying to remove the u joints how would you remove them they are the type that have a cap with 2 bolts on each side I removed the bolts but the u joint seams to… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Yes, I have 2011 Cascadia with bad clutch switch. Had to have
Yes, I have 2011 Cascadia with bad clutch switch. Had to have Petro tech jump the starter couple of days ago. Drove direct to Freightliner shop where truck then started perfectly. Shop could not get m… read more
Roy
Roy
shop foreman
Associate Degree
4,585 satisfied customers
how do i get to the park valve on a 92freightliner. i removed
how do i get to the park valve on a 92freightliner. i removed the three air valve (inter,fifth,diff) and some swichs to make room and it is still impossible… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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GMC Topkick: Ive got a 2003 GMC 6500 Topkick and the radio
I've got a 2003 GMC 6500 Topkick and the radio is displaying LOC I noticed you helped someone else out with this, do you have access to GMC unlock codes?… read more
Pete
Pete
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General auto certifications
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Hi, my friend has a 2008 Tiffin Allegro Bus Power Glide Chassis
Hi, my friend has a 2008 Tiffin Allegro Bus Power Glide Chassis 425 Cummins engine. She starts it up, but hears air coming out. She had someone come out and they said the hose was off but he wouldn't … read more
Robert
Robert
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I have a 2006 pete 379 with a in concert am fm in dash radio
I have a 2006 pete 379 with a in concert am fm in dash radio the clock works but the radio doesnot. I have constant power with the red wire . what color wire is the acc wire?… read more
Toby
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Vocational, Technical or Trade Scho
107 satisfied customers
I have an 06 kenworth t 800 with a midship bearing failure.
I have an 06 kenworth t 800 with a midship bearing failure. where the drive shaft hangs in the bearing there are groves in the shaft.Looks like they are supposed to be there?? Is it supposed to be a s… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Hello, i have a 2004 freightliner with a c7 motor on a m2 chassis.
Hello, i have a 2004 freightliner with a c7 motor on a m2 chassis. am trying to perform a valve adjustment but i cant find the TDC or OT mark. i check in the back of the bell housing for an access hol… read more
Cat Man
Cat Man
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I worked on a Mack MRU613 concrete pumper sat ( installing
I worked on a Mack MRU613 concrete pumper sat ( installing a GPS). I needed to run a wire from where the terminals are located up to the windshield. I removed the screws from the control panel so I co… read more
Wayne
Wayne
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2010 FUSO FE180 AM/FM/CD, SEEMS TO BE MISSING GROUNDS. IM NOT
2010 FUSO FE180 AM/FM/CD, SEEMS TO BE MISSING GROUNDS. IM NOT SURE HOW MANY ITS SUPPOSED TO HAVE BUT THERE ONLY ONE PIN GROUNDED WEN U DISCONECT THE RADIO AND PROBE HARNESS. IF I SUPPLY GROUND OR JUMP… read more
Chris (aka- Moose)
Chris (aka- Moose)
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Im currently driving a 2012 Pete 384 that we bought used with
I'm currently driving a 2012 Pete 384 that we bought used with only 15K on it. Here's the problem: In the morning when I turn the headlights on, the rocker switch lites up, but the headlights take as … read more
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Jeremy
Certified Truck/Bus Technician
Associate Degree
3,991 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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Wayne

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Jeremy

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dieseldan55

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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