Medium and Heavy Trucks

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2012 cascadia freightliner. Last is BC4095. Inside front cab
Went and bought new ones also and they didn't work either, trying to locate the fuse but can't find the correct fuse for it… read more
Eddy
Eddy
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GED
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Unusual vehicle: 1997 Champion Challenger bus, which built
Unusual vehicle: 1997 Champion Challenger bus, which built on a Ford V10 SuperDuty chassis. I'm getting low voltage on all the tail lights, including the reverse lights, too low to activate the LED bu… read more
Edward Haniewski
Edward Haniewski
General Studies/Automotive
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The diesel engine on my school bus cuts in and out when the
the diesel engine on my school bus cuts in and out when the air compressor is running, then runs smooth after it shuts off at 120 psi. what could be causing this? … read more
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Eddy
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My Cat 3126 speedometer hand is wavering and struggling to
My Cat 3126 speedometer hand is wavering and struggling to go over 40mph and when we drain the tank why is there air still in the tank? Engine #8YL75030 Blue bird school bus 2001.Also, my 1999 interna… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have a school bus that has no brake lights. Is there a relay
Have a school bus that has no brake lights. Is there a relay that controls that. The under dash brake light switch is working… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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I have a 2002 Eldorado National Transmark Re bus that I
Hello! I have a 2002 Eldorado National Transmark Re bus that I purchased in November 2015. I moved it to an outdoor parking facility on January 2016, and it's been sitting in the lot ever since. I usu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
8,993 satisfied customers
Pearl, we have a 2005 freightliner columbia that was tipped
Pearl, we have a 2005 freightliner columbia that was tipped over. We switched cabs, but the new cab was wired for a Mercedes Engine and the old motor is a Detroit 14.0L My question is regarding to the… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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1994 Peterbilt 379 with 60 series Detroit diesel- The brake
1994 Peterbilt 379 with 60 series Detroit diesel- The brake lights only come on if I step on the brakes real hard. If I am using the brakes to slow down not stepping on them hard, they do not come one… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
2004 fs 65 freightliner school bus. will not start with ignition.
2004 fs 65 freightliner school bus. will not start with ignition. will start going across relay The power to the starter relay located by radiator is not there. wire #15 there is no ground to the wire… read more
Joseph Book
Joseph Book
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Master's Degree
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I have a 2002 International School Bus that the brake lights
I have a 2002 International School Bus that the brake lights are always on. they never go off. I replaced the brake lights switch but still having the same issue.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have an 82 carpenter bus with Chevy diesel engin. My right
I have an 82 carpenter bus with Chevy diesel engin. My right turn signal is out . Left fron signal works. Both rear are out. Could this just be a fuse?… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
Does the pressure differential switch ever need replacing?
Does the pressure differential switch ever need replacing? This seems like this would cause the backup motor to turn on as well.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
1999 freightliner century Detroit 60 series, will not idle
1999 freightliner century Detroit 60 series, will not idle up on fast idle was working fine Has a low air warning light on for no reason Tach not zeroing Cruise works fine… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
Snap on scanner comes up with code 247 on my 2005 International
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1994 peterbilt dd 2 cruse controle works for high iddle as
1994 peterbilt dd 2 cruse controle works for high iddle as long as parking brake is off if set the cruse high iddle will not work al so cruse will not work at road speed the high idle will work on til… read more
Steve
Steve
Self Employed
High School or GED
30 satisfied customers
Hi,I have a Hino bus [ vin JHDRB145KXXX40147 ]engine W04CTA20351
Hi,I have a Hino bus [ vin JHDRB145KXXX40147 ]engine W04CTA20351 .Batteries are fully charged, ignitionis completely dead,no istrument lights,no starter,nothing.Everything was working fine until I fli… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
420 satisfied customers
GMC topkick: 2002 gmc school bus abs light on new wheel speed
2002 gmc school bus abs light on new wheel speed sensors ,checked harness to ebcm, new ebcm still abs light on and Gm tells me there is no diagnostic tool for this system i am at a loss can i get some… read more
diesel-tech
diesel-tech
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136 satisfied customers
I have 1964 671 detroit in a bus which is used as a motor home.
I have 1964 671 detroit in a bus which is used as a motor home. we call it our 2 mile vacation bus as that is how far we travel in it before the fuel system becomes air bound .I made a remote fuel sup… read more
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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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