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Related Medium and Heavy Trucks Questions
It keeps loseing its prim. 05 freightliner Columbia dd15.
Yes I'm fixing the truck myself I tried a valve that's on the fuel filter housing but I think it's the low-pressure fuel pump but I don't know how to test it … read more
Bradey V
Bradey V
Certificate
2009 gmc 7500 7.8 isuzu...is there a supply pump for the
2009 gmc 7500 7.8 isuzu...is there a supply pump for the fuel or does the injection pump pull the diesel from tanks?...truck is a crank no start...will sometimes fire but only low idle with no throttl… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a freightliner m2 with Mercedes 7.2 l I have a hard
Hello I have a freightliner m2 with Mercedes 7.2 l I have a hard start runs rough for 10 to 20 seconds then smooths out , every time you start . Fuel pressure is 70-75 at the temp sensor location 2009… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2005-6 sterling dumptrk with a mercedes diesel,
I have a 2005-6 sterling dumptrk with a mercedes diesel, when u turn it off and come back in 3 hrs or so it wont crank but continually try to spin over like its losing its fuel prime, is there acheck … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,532 satisfied customers
I have a 2005 Sterling with a Mercedes Benz MBE 4000 engine.
Hi. I have a 2005 Sterling with a Mercedes Benz MBE 4000 engine. When it sits overnight it loses prime. I have changed the check valve on the fuel filter mounted on the engine block. It didn't help. T… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,532 satisfied customers
I have knock in my engine when it idles when running down
I have knock in my engine when it idles when running down the road it runs. Fine when it idles it knocks lik fuel knoks. Mbe 4000 mercedes benz … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have an issue with the water reservoir losing water. It
I have an issue with the water reservoir losing water. It happens over a few hundred miles. I see no water in the oil, no smoke out of the stack, or any other signs that would indicate where the probl… read more
Eurotruck72
Eurotruck72
Garage owner
122 satisfied customers
Could you tell me when performing a cylinder cut out test on
Hi there could you tell me when performing a cylinder cut out test on a mbe 4000 what should it read in ft pounds i have readings that vary from 10lbs to 50lbs . the truck has piss poor fuel ecomomy a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2006 freightliner with a mbe 4000 mercedes and
I have a 2006 freightliner with a mbe 4000 mercedes and having oil cumming out of exhaust wondering what is going on have you run across this problem… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
. Hoping Cat Man can help me here? I have a 2007 Freightliner
Hi. Hoping Cat Man can help me here? I have a 2007 Freightliner with a C-15 ACCERT Twin turbo. If the truck sits for 2-3 days it is very hard to start. Engine turns over and over, just about draining … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Ive got 2006 freightliner columbia with om 460 mercedes engine.
Ive got 2006 freightliner columbia with om 460 mercedes engine. Im havin a fuel problem. May be electrical. Check for fuel line leakage, replaced filters but will not start. Its gettin fuel to pumps b… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
we have freightliner with Mercedes engine 4000, we change oil,
we have freightliner with Mercedes engine 4000, we change oil, filters and we could not run engine- starts for a second and shutting off, we replace check valve, check fuel filters, we by-pass fuel li… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
Hi to anyone who has knowledge bought freightliner columbia
Hi to anyone who has knowledge abought freightliner columbia with engine MBE 4000. The truck stops and works very weak lately every 300 to 1000 miles. It looks like run out of fuel I opened the filter… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,532 satisfied customers
We have a 2004 Freightliner truck with a Mercedes Benz 4MBXH12
We have a 2004 Freightliner truck with a Mercedes Benz 4MBXH12 450HP. At an idle the oil pressure drops to 25LBS and the oil pressure light comes on? We installed a new sender, same result. The comput… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
For a 2005 Freightliner with a MBE engine if the EGR isnt working
For a 2005 Freightliner with a MBE engine if the EGR isnt working will it cause the engine to lose power.... The EGR was replaced about three weeks ago but the truck is still losing power. Do I have a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
why is MBE 4000 engine (in 2005 Columbia Class Freightliner)
why is MBE 4000 engine (in 2005 Columbia Class Freightliner) loosing coolant when at idle at high rpms (as though there is compression or exhaust coming into the coolant). As background, the head gask… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2004 Freightliner columbia with a MBE 4000 non egr
I have a 2004 Freightliner columbia with a MBE 4000 non egr engine. Last 6 of VIN is 5LN56179. It will loose its prime after sitting overnight. Found the fuel housing for the mbe filter is empty. Have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Freightliner MT45: I have a Freightliner MT45 with the Mercedes
I have a Freightliner MT45 with the Mercedes diesel. The unit is low on power and smokes when under throttle. The local Freightliner dealer diagnosed the problem to be a Druck sensor. They replaced it… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
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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

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

Jeremy

Jeremy

Certified Truck/Bus Technician

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

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

39,532 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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