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Cat Man, I'am working on a 2004 CAT Accert C15 engine.The
Hi Cat Man, I'am working on a 2004 CAT Accert C15 engine.The ESN is BXS07917. It is pushing engine anti freeze out of the resivoir when the engine coolant temperature reaches 170 degrees farenheit. It… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
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
Keiphun Sowell
AutoDiesel Technology
1,142 satisfied customers
I have a 2012 peterbilt 386 w/ isx15. keeps breaking oil
i have a 2012 peterbilt 386 w/ isx15. keeps breaking oil coolers. trying to determine what is cause. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
414 satisfied customers
Need someone that is an expert with Paccar MX 13 engines and
Need someone that is an expert with Paccar MX 13 engines and the cooling system? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
We have a 2014 Volvo d16. It came into the shop with a
Hi. We have a 2014 Volvo d16. It came into the shop with a little black oil in the rad. So we changed the oil cooler and flushed the rad. Then test drove truck and got it hot. Coolant was clean. Truck… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
414 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
5,234 satisfied customers
2001 6nz using about 1.5 gal coolant a week.had truck to cat
2001 6nz using about 1.5 gal coolant a week.had truck to cat pressure tested over nite no pressure loss.no signs of coolant in oil from lab test..when i remove rad cap after 48 hrs of sitting still ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2007, C15, MXS29978. It started loosing coolant. No
I have a 2007, C15, MXS29978. It started loosing coolant. No external leaks, no coolant in oil. It is a intermittent problem. We pressure tested system cold and hot. We checked rad cap with tester. My… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
My c15 accert pushes coolant out under load enough to cut
My c15 accert pushes coolant out under load enough to cut the truck off doesn't run hot no water in oil but radiator smells of exhaust… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
C15 losing 3 gallons aday oi; sample clean fuel sample good
c15 losing 3 gallons aday oi; sample clean fuel sample good water sample good! where is it going… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Catman I hae a 6nz that we have rebuilt. The block was decked
catman I hae a 6nz that we have rebuilt. The block was decked and we did have trouble with t blowing head gaskets in past, we had a accert crank in it along with those pistons and so on. We changed it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
We 2004 kenworth loosing coolant it has and 4 engine recently
We 2004 kenworth loosing coolant it has and 4 engine recently replaced any suggestions as to why it is losing coolant… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
5,234 satisfied customers
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
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hi Ive got a cat c15 6nz 28000 hrs , been great , just started
Hi I've got a cat c15 6nz 28000 hrs , been great , just started to be slower to start and a bit of pressure through to rad causing the rad to over flow , the coolant is agitated with air or combustion… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I got a detroit 60 series DDEC V that is showing oil in the
I got a detroit 60 series DDEC V that is showing oil in the coolant. Also this engine will only blow out water through the resevoir tube if it gets to 200 degrees. What could the problem be?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
5,234 satisfied customers
Have a c15 6nz rebuilt 1 month ago because putting antifreeze
Have a c15 6nz rebuilt 1 month ago because putting antifreeze in base around bottom of #2 liner because o rings bad. Liner protusion good and block deck good, first rebuild. After 3 weeks starting put… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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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