Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have 99 chevy c7500 with cat 3126 and Allison at545
I have 99 chevy c7500 with cat 3126 and Allison at545 transmission. I just purchased this truck and noticed the tach wasn't working. I done some looking under the hood and noticed that the truck had a… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
463 satisfied customers
It won't start. Glow light comes on but won't crank over. I
It won't start. Glow light comes on but won't crank over. I changed the gas filter under the tractor. It was running. Had a few chugs before I stoped upswing it. Turned it off and won't restart. I did… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I just replace fuel dampner seals on 05 Cummins isx. I went
I just replace fuel dampner seals on 05 Cummins isx. I went to start her up afterwards and all she did was crank. After doing this a few times I pressed the clutch in and out several times and now it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have power but truck won't crank. 12.6 volts is the
I have power but truck won't crank. 12.6 volts is the reading on the dash. … read more
Mike Mcmillan
Mike Mcmillan
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I have a 2012 freight liner 5 ton with a Cummins cm2350
Hello, I have a 2012 freight liner 5 ton with a Cummins cm2350 engine. This truck shows no codes but will sometimes start and be okay and then while driving it will turn off. Or sometimes it won't sta… read more
Joe
Joe
Service Technician
Associate Degree
868 satisfied customers
1994 Chevy kodiak won't start. No power at the ignition
1994 Chevy kodiak won't start. No power at the ignition relay fuse or at the fuel pump relay at the fuse panel. Curious if there is a fuseable llink that is in line to both of those … read more
JimmyM827
JimmyM827
Bobcat specialist
Automotive technologies
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Took eld out of 05 Kenworth t800 now just cranks but won't
Took eld out of 05 Kenworth t800 now just cranks but won't start … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2006 nqr450. The engine will not turn over. The
I have a 2006 nqr450. The engine will not turn over. The battery is fine. The glow plug indicater light stays on. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Truck won't start when it's cold. Runs fantastic when
Truck won't start when it's cold. Runs fantastic when outside air temp is 70-80 degrees Fahrenheit. Won't start if it's not plugged in, no matter the temp, When it won't start, it blows black smoke. C… read more
Mike Mcmillan
Mike Mcmillan
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463 satisfied customers
I took the radiator cap off while the Freightliner was
I took the radiator cap off while the Freightliner was running and now it won't start back … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2004 international 4300. Won't shut off with key. Data says
2004 international 4300. Won't shut off with key. Data says key is in run position when key is off. Already verified the key switch is working correctly. I need ignition wiring diagrams and also any t… read more
Mike Mcmillan
Mike Mcmillan
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My 2014 International ProStar plus won't turn over after I
My 2014 International ProStar plus won't turn over after I did my full service. … read more
Eddy
Eddy
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GED
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C15 cat and oil light comes on and check engine comes on and
C15 cat and oil light comes on and check engine comes on and truck dies. Oil is fine oil pressure is fine. I had to add 2 gallons of water … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Peterbilt 386 I turned off ignition off my head light won't
Peterbilt 386 I turned off ignition off my head light won't turn off when I turn on ignition switch on head light turn off … read more
Andy
Andy
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Vocational, Technical or Trade School
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2007 4300 thought the ignition switch was bad replaced it
2007 4300 thought the ignition switch was bad replaced it truck does fires and shuts off as soon as the key returns to the in position. If gel slightly towards crank it will stay running. I bypassed t… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have a 1996 International 4700 T444E tow truck. The truck
I have a 1996 International 4700 T444E tow truck. The truck will not stay running for more than around 10 minutes. Came out one day, truck would not start. Turn key over and no click or anything, batt… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
1999 Bluebird bus with a 5 9 Cummins quit then just run fine
1999 Bluebird bus with a 5 9 Cummins. It quit on me, then it started back up after cranks, then while driving, it would kill and then it started going again. It did it a couple of times, so I replaced… read more
Expert
Expert
My 1997 International 4700 T444E will not start. When turn
My 1997 International 4700 T444E will not start. When turn ignition on, starter engages and starter will not release when you release the key. After about 30 minutes of cranking truck will finally sta… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
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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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