Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
No heat truck runs hot undwr load. 2005 kww900 c15 accert
yes i had the thermosts done I was at the pressure wSHER AFTERB THAT IT RAN HOT WEIRD … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 1st gen tri pac with a new alternator on it it will
I have a 1st gen tri pac with a new alternator on it it will start and run for 2 minutes then shut off give code AL3 I have checked all the wires all is good … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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Why has my Ford F 750 Dump Truck been overheating since I
Why has my Ford F 750 Dump Truck been overheating since I bought it New in early 2016. Ford blames Cummins, Cummins blames Ford. I've had Ford, Cummins, and half a dozen other mechanics look at it and… read more
Mike
Mike
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Initially no pressure. Had ASE diesel mech. NNOOOO!!!
Disregard the first message!! Sent before ready!!! … read more
Andy
Andy
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Vocational, Technical or Trade School
205 satisfied customers
I have a 2005 international 4300 with the dt466 and i dont
i have a 2005 international 4300 with the dt466 and i dont think the fuel heater is turning on or working … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Not building air. 1997 kenworth k100 cat 3406E. Checked
checked airleaks nothing leaking just installed new governer yesterday … read more
Mike
Mike
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I have a 97 Ford F250 HD with the 7.3 L Turbo Powerstroke.
I have a 97 Ford F250 HD with the 7.3 L Turbo Powerstroke. Put 2 new batteries in last year and replaced the altinator a couple days ago. In the morning or if the truck sits very long it won't start. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,270 satisfied customers
I have a blue wrench light on. It go into like limb mode in
I have a blue wrench light on. It go into like limb mode in drive. I can put it in M it shifts out and drives good. When wrench light not on it shifts fine. The tranny shop said it was the transmissio… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
262 satisfied customers
2011 F-550, 6.7L Powerstroke. Truck was driving normally,
2011 F-550, 6.7L Powerstroke. Truck was driving normally, then battery light came on dash, followed by many other lights, engine gauges on dash all went to zero. The truck was turned off, and then wou… read more
Samuel Lehmann
Samuel Lehmann
Associate Degree
I have a 2012 Ford F-150 XLT, 4WD, 3.6L Ecoboost. Having a
I have a 2012 Ford F-150 XLT, 4WD, 3.6L Ecoboost. Having a problem with the brakes. Pretty sure the pads and rotors are fine as they were replaced not that long ago and brakes have worked fine since t… read more
Curtis B.
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JUST BOUGHT A 1988 FORD L8000 DUMP TRUCK WITH A 3208 CAT
JUST BOUGHT A 1988 FORD L8000 DUMP TRUCK WITH A 3208 CAT ENGINE WITH BRAND NEW COMMERCIAL BATTERIES FROM NAPA, AND IT STARTED UP FOR ME OVER 10 DIFFERENT TIMES! IT HAS 50 GALLONS OF DIESEL FUEL IN THE… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Actually, it's a GNC 5500 that has been built as a fire
Actually, it's a GNC 5500 that has been built as a fire truck. The batteries are draining down overnight with no indication of a load. Three time to the shop with no root cause … read more
Mike
Mike
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I am working on a 2005 freightliner utilimaster with 4 cyl.
I am working on a 2005 freightliner utilimaster with 4 cyl. Mercedes diesel. Starts and runs for a moment or a little longer and cuts off. I have replaced oil pressure and oil temp. senders, cleaned c… read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
829 satisfied customers
​ I need an answer from an experienced Detroit Diesel
​Hello, I need an answer from an experienced Detroit Diesel mechanic. I have a 1994 Volvo GMC with a Detroit Diesel 12​.7​ liter engine DDEC III. Engine has 350,000 miles (fuel injectors are rebuilt) … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
2007 international 4300, 466e, running on 4 cylinders,
2007 international 4300, 466e, running on 4 cylinders, 6,3,2,1 has had new valve cover gasket installed. Just bought the truck, has 120,000 kms, previous owner said it was a nightmare Besides not runn… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Morning wayne, 2011 mack gu713. I replaced the dash because
Morning wayne, 2011 mack gu713. I replaced the dash because bad temperature gauge. I was told those gauge are not sold separately. Do I have input some info about the new dash or tell me all I have to… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
, I'm Bob, I have a 2007 international 4300 Dt466 224,000mi
Hi, I'm Bob, I have a 2007 international 4300 Dt466 224,000mi just bought the truck a month back, my driver said this morning the fuel gauge bounced down to empty and the warning signal sounded for lo… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
205 satisfied customers
I have a 1980 ford F8000 dump truck with a motorcraft altenator.
I have a 1980 ford F8000 dump truck with a motorcraft altenator. I took off the old altenator because it was not charging. I checked the new altenator at the NAPA store and it was putting out 13.9 vol… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

10,055 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 satisfied customers

16 years of experience

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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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