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DD15 cooland loss but no visible leaks. Freightliner
I inspected the egr cooler injection pipe to the intake manifold, and instead of coolant I found oil. … read more
Roy
Roy
shop foreman
Associate Degree
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I found oil on de fuel filters & the fuel tanks too, my
I found oil on de fuel filters & the fuel tanks too, my engine loose 4 gallons of oil which the problem the engine is DD15 … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
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New head and gasket, new rad, new after market turbo. Truck
New head and gasket, new rad, new after market turbo. Truck is full delete, I'm going through 2 gallons of coolant in a 12/14 hour day. I bypassed def tank, checked compressor, trans and all valves fo… read more
Jeremy
Jeremy
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Associate Degree
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Have a 2000 mack rd688s.Driver said it was using 2 gallons engine oil a day. He also said it was blowing a heavy stream of white smoke, especially when jake brake was on. When i test drove it i for th… read more
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Steven
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I am using 2 quarts of anti-freeze a day in a 2016 Kenworth
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cumminsdr
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Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a 2012 freightliner with cummings engine that will
i have a 2012 freightliner with cummings engine that will lose 1/2 gallon to 1 gallon of coolant every 200 miles . can see no leaks . smells like going to exhaust. can you help? … read more
cumminsdr
cumminsdr
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I'm getting oil in my coolant. Truck not over heating but
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cumminsdr
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I have a 2007 Mack Granite with a MP7 engine. The model
I have a 2007 Mack Granite with a MP7 engine. The model number is ***** 713, ser# ***** The problem is fuel is mixing with the oil. What are all of the various scenarios that this could happen? I need… read more
Daniel Wilson
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Coolant coming in intakes 123 front being 1. not the egr its
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Andy
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I have a 97 freightliner classic with a detroit 12.7. The
I have a 97 freightliner classic with a detroit 12.7. The truck has been sitting for 3 weeks and now will not crank. It will not turnover. batteries are and starter has been swapped. It seems like it … read more
spankyjr1
spankyjr1
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There is oil in the inlet, outlet and backflow tube of the
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Daniel Wilson
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I rebuid this detroit s60 pre egr 6 months ago new
hello i rebuid this detroit s60 pre egr 6 months ago new liner,piston ,head it ran well but now suddenly it start consuming coolant 1 gallon per trip of 1000km no external leak no coolant in oil no co… read more
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Daniel Wilson
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2012 freightliner cascadia Cummins... 2012 freightliner
2012 freightliner cascadia Cummins... 2012 freightliner cascadia Cummins engine. Fault code 111 fit looks coolant comes on just when I turn on the engine after turning it off for a while. Then it turn… read more
Wayne
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2000 N14 cummins loosing coolant runs great, no overheat, no mixing of any fluids, will loose coolant fast 1 gallon in a few hours. can see steam coming from blow by and oil fill tube.… read more
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Daniel Wilson
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I have a***** Oil was going in the water, and I changed
I have a***** Oil was going in the water, and I changed the oil cooler. Oil still is going in the water. The truck now won't start without ether. Can you tell me what I need to do?… read more
Jeremy
Jeremy
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Have oil getting into my coolant, coolant level remains the
Have oil getting into my coolant, coolant level remains the same so I,m thinking that it cant be that much? Everyday I dunk a couple of paper towels into coolant resovoir and soak out oil on top. Truc… read more
Curtis B.
Curtis B.
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2007 hino is using water every couple it got a egr coolant
2007 hino is using water every couple it got a egr coolant it dry on the exhaust and intake side the motor don.t get hot and run good the top tank of rad is hot and bottom is cold… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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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

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cumminsdr

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Chris (aka-Moose)

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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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