Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a Freightliner Columbia 2007 with an MBE 4000 engine.
I have a Freightliner Columbia 2007 with an MBE 4000 engine. I have pressure built up in the coolant system. We replaced the EGR, we did the pressure test to verify if it was coming from the engine an… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I Have 2007 Cat C7 I lost # 6 blowing white smoke I pulled
I Have 2007 Cat C7 I lost # 6 blowing white smoke I pulled the injector when i went to vac out the cylinder bore there looks like alot of coolant was in the cylinder … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
Have a cat C13 leaking coolant out of the overflow bottle.
Have a cat C13 leaking coolant out of the overflow bottle. Replaced radiator cap, removed head and sent out to machine shop (no issues found). Replaced head gasket and unit still continues to push coo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
C15 Acert running hot after flushing & changing coolant. Has
C15 Acert running hot after flushing & changing coolant. Has always seemed to build pressure in the fill tank & will appear low on coolant until you open cap & release pressure (it did this before it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I noticed that recently my coolant temperature rises when I
I noticed that recently my coolant temperature rises when I am on idle. Not all the time but occasionally. I have to turn on the fan to cool it down. What is this an indicator of?Freightliner Columbia… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a c13 ran perfect on the way from Miss. to Ga and 5
I have a c13 ran perfect on the way from Miss. to Ga and 5 miles from home stopped at the store. Pulled back on the road and truck would barely run and was smoking black out the exhaust like a tire on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2007 C-15 Acert. This was a crate block in 2016 and
I have a 2007 C-15 Acert. This was a crate long block in 2016 and had a head gasket replaced in Feb of 2017. Cat says it is now out of warranty. Go figure. Yesterday i had smoke coming from my stack a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
Have 2006 kw t 800 with a cat c13 uses several gallons of
have 2006 kw t 800 with a cat c13 uses several gallons of coolant a day 300 miles not milky on stick no hydraulock after sitting signs of oil in coolant… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
We have an 07 pete with c15 acert its pushing antifreeze out
we have an 07 pete with c15 acert its pushing antifreeze out the overflow but only when the turbo boost is above 40 lbs head and head gasket has ben replaced cat has put it on dyno and nobody can find… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
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
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
C13 cat oil light cam on. Changed the oil and engine started
c13 cat oil light cam on . Changed the oil and engine started heavy blow by immediately. Drove 8 miles and water pump started leaking. Pop the hood back at the yard and noticed a coolant hose that fee… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
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
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2008 peterbilt with caterpillar c13 engine, motor
I have a 2008 peterbilt with caterpillar c13 engine, motor runs good, but it dumps 2-3 gallons of antifreeze from the overflow. i am guessing it builds up too much pressure or its getting air from som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2004 cat c13 it has a seepage of radiator fluid coming
I have a 2004 cat c13 it has a seepage of radiator fluid coming out of the head gasket. No sign of radiator fluid in oil crankcase, no sign of oil in radiator. Do you think this is just a head gasket … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
i have an 07 c13 acert engine with antifreeze coming out of
i have an 07 c13 acert engine with antifreeze coming out of the breather pipe but not putting any in the crankcase oil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I HAVE C-13 ACERT WITH PUSHING COOLANT OUT OF THE OVERFLOW.
I HAVE C-13 ACERT WITH PUSHING COOLANT OUT OF THE OVERFLOW. THE THERMOSTAT,AND WATERPUMP HAS BEEN REPLACED ,ALSO BYPASSED AIR COMPRESSOR UNIT IS STILL BUILDING UP PRESSURE… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
06 c-13 acert....building pressure in radiator,cap releases
06 c-13 acert....building pressure in radiator,cap releases pressure,pushed out less than 1/2 gallon of coolant in two weeks....engine has a loud rumbling when under load at high elavation rumbling ce… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
I have a 2003 freightliner with a cat c15 in it it seems to
I have a 2003 freightliner with a cat c15 in it it seems to go thru about 2 gallons of antifreeze a week in the winter but uses none in the summer. We have pressure tested the cooling system and it se… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
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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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