Medium and Heavy Trucks

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I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series
I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series motor. My truck heatup and after 5 to 10 mints its came at normal like its goes more than 220 and then came back at normal after 5 to mints. Wh… read more
Expert
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I have a brake system question on my 2007 Volvo truck. The
I have a brake system question on my 2007 Volvo truck. The air brake system builds to 135 psi fine. However, during operation of the brakes the pressure quickly goes down to 95-100 psi. It's at this p… read more
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I am getting antifreeze build up in my secondary on my
I am getting antifreeze build up in my secondary on my radiator resservoir. Is that a bad thermostat? … read more
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I have an '05 Winnebago Journey 39k with Freightliner
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Mack e7 460 blowing antifreeze back thru reservoir tank cap
Mack e7 460 blowing antifreeze back thru reservoir tank cap new thermostat new top reservoir tank and cap. Engine was overhauled a year ago been doing it since we bought the truck shortly after the ov… read more
Expert
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I's having problems with my truck. It's losing water and
I's having problems with my truck. It's losing water and couldn't find a leak. the back pressure is coming through the radiator cap … read more
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I had radiator fluid coming out of my radiator pressure cap
I had radiator fluid coming out of my radiator pressure cap I was told that it could either be the air compressor or the head gasketI tested the engine for the head gasket and air compressor I tested … read more
Cat Man
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there is air bubbles in cooling system Volvo 2007 D12 that
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Curtis B.
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I have a 2007 Peterbilt 379 with a C15 engine that is losing
I have a 2007 Peterbilt 379 with a C15 engine that is losing a lot of antifreeze but does not have any visible leaks other than the drain tube from the reservoir. It is building high pressure, but is … read more
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2007 Volvo VNL with VED16 engine, coolant system problems,
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Daniel Wilson
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I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure
I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure in the radiator reservoir and it blows antifreeze out. I replaced the air compressor and egr cooler and it still does the same thing. T… read more
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I have a Cat 140g grader with a3306c engine. When it gets to
I have a Cat 140g grader with a3306c engine. When it gets to 165 degrees it is putting pressure into the cooling system an blowing the anti freeze out ofthe radiator . The head has been reconditioned … read more
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engine is 12.7 liter on a 60 series detroit engine, i changed
engine is 12.7 liter on a 60 series detroit engine, i changed the head and gasquet and liners but water still mixes with oil what could the problem be? couldthe water pump be the problem?… 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
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my radiator was building pressure & pushing antifreeze out
my radiator was building pressure & pushing antifreeze out the overflow tube on the radiator.Had a diagnostic done & was told ,ha d a blown headgasket.Mechanic replace head & gasket.After a month mayb… read more
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Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting
Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting oil into the coolant, replace oil cooler element drain system Did took it for a drive still putting oil in coolant not only that but stil… read more
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I have a 1995 Volvo truck with an N 14 Cummins engine. Im
I have a 1995 Volvo truck with an N 14 Cummins engine. Im having to put water in the reservoir every so often. Sometimes it don't blow out at all. the water is blowing out of the overflow pipe from th… read more
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Getting air in colant system but pretty sure it isnt headgasket
Getting air in colant system but pretty sure it isnt headgasket not running hot put new radiator on air compressor water pump thermostats… 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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