Medium and Heavy Trucks

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I have a Freightliner m2 sport chassis it's a 2008 it has a
I have a Freightliner m2 sport chassis it's a 2008 it has a sticker rating on the rear axle of 12000 lb with airliner suspension when we check the part numbers the manufacturer rates the rear end for … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I have a 2015 freightliner m2 series m2-106 with a cummins
I have a 2015 freightliner m2 series m2-106 with a cummins isb 6.7 . Drained coolant to change vgt actuator . Refilled. Everything pluged in . 2 coolant codes. Do i have to prime tbis system. It did n… read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
2015 freightliner m2 series 106. Has a cumins isb 6.7 cm2350
2015 freightliner m2 series 106. Has a cumins isb 6.7 cm2350 6cyl. I have 2 vgt actuator codes my software wont let me look up. Little help? Spn 641 fmi 2198 and spn 641 fmi 1894.… read more
cumminsdr
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19 Freightliner m2 with Cummins has codes 6255, 6254, 1683
19 Freightliner m2 with Cummins has codes 6255, 6254, 1683 and3712. It went into limp mode and def gauge read empty and quality was 0 , I replaced the tank module and it drove 30 miles and back in lim… read more
cumminsdr
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2018 kenworth t680 isx Cummins. Coolant pushing from
2018 kenworth t680 isx Cummins. Coolant pushing from expansion tank to overflow tank. Things I've tried to fix it. New expansion/overflow tank, new caps, new egr, engine overhauled, no overheating pro… read more
cumminsdr
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Blowing coolant out of my overflow not over heating no oil
Blowing coolant out of my overflow not over heating no oil in coolant when I release the pressure from the cap and take off it will not blow any coolant … read more
Keiphun Sowell
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I have a 2005 Freightliner with a Cat c7, we had a cracked
Good Afternoon, I have a 2005 Freightliner with a Cat c7, we had a cracked head and it was getting oil in the coolant, overheating etc. I put a new head on it and a new oil cooler. Now it is building … read more
Cat Man
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I am currently having problems with a 5.9L ISB cummins
I am currently having problems with a 5.9L ISB cummins engine, is manufacture date is 2005 and its mounted in a Freightliner delivery van. … read more
roybelding
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Dr. Cummins, Have a engine blowing antifreeze out the
Dr. Cummins, Have a engine blowing antifreeze out the overflow tank with the cap off and out the overflow tube with the cap on. ESN-75001393. we checked the air compressor and that didn't change anyth… read more
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I have an '05 Winnebago Journey 39k with Freightliner
I have an '05 Winnebago Journey 39k with Freightliner chassis and 350hp Cat C7. It is blowing coolant out the reservoir tank overflow while running normal temps. Over time, once coolant level goes low… read more
Cat Man
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Have a 2009 freightliner m2 business class.primary air
have a 2009 freightliner m2 business class.primary air building slowly but secondary buils up fine. any theories on the problem? … read more
Daniel Wilson
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Have a 2009 freightliner century with 60 series Detroit with
Have a 2009 freightliner century with 60 series Detroit with 450k miles. Getting pressure built up in the coolant and leaks out the overflow. Its at the point it needs a gallon or two every 200-300 mi… read more
Curtis B.
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C13 cat will blow coolant out of radiator cap coolant tank
C13 cat will blow coolant out of radiator cap coolant tank during first 5 miles of each day... Changed cap but problem still there, blows about a gallon out each day and I refill to sight glass level … read more
Cat Man
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I cat c15 sdp and pushing coolant out the overflow it's
I cat c15 sdp and pushing coolant out the overflow it's doing it at idle and while driving, I have change the precooler and the air compressor and still doing it… read more
Cat Man
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I have a 2007 Detroit series 60 the head was redone last year
I have a 2007 Detroit series 60 the head was redone last year the truck started using an excessivive amount of coolant have checked no external leaks I had the egr cooler tested did replace just to be… read more
spankyjr1
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hi i have a Dyna 4 ton truck with an No4c engine and expierencing
hi i have a Dyna 4 ton truck with an No4c engine and expierencing heating problem , i have flushed the radiator and noticed a rusty sludge build up ,what is happening is that pressure is building up a… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
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hello I have a 06 hino 175k on it and im leaking antifrezee
hello I have a 06 hino 175k on it and im leaking antifrezee through my overflow hose and somtimes and my warning light comes on from time to time saying low coolant we have changed the cap and the bre… read more
Cat Man
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We have a 2006 IH school bus with a dt 466. It has developed
We have a 2006 IH school bus with a dt 466. It has developed a problem of building too much pressure in the cooling system. I have eliminated about everything I can think of. We are about to pull the … read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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