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Related Medium and Heavy Trucks Questions
9400i cat c15 overheating new thermostat and sensor
9400i cat c15 overheating new thermostat and sensor sometimes it get hot empty and you can raditor cap off and no pressure on it so i dont know whats the problem … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 2006 t800 with a cat c15 motor. I had a complete in
I have a 2006 t800 with a cat c15 motor. I had a complete in frame done at 1,225,000 miles. It now has 1,485,000 miles. It has been using 1 gallon of oil every 5000 miles right after oil change and th… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
383 satisfied customers
2006 Cat C15 in a Kenworth is a little low on power. Will
2006 Cat C15 in a Kenworth is a little low on power. Will still do 75 but it's not the same. Engine lamp comes on as soon as you drive, Flash code 92,Intake valve actuator #2 current low. What's invol… 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
C15 in a Kenworth SAR T404 it blew a the 1inch hose going to
C15 in a Kenworth SAR T404 it blew a the 1inch hose going to header tank and because none of the temp gauges or sensors worked at the time I'm uncertain of how hot she got. The mechanic (poor excuse f… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a C15 twin turbo. Blew top radiator hose fixed that.
I have a C15 twin turbo. Blew top radiator hose fixed that. 2 days later my coolant reservoir sprung a leak and I fixed that Saturday. Left back out on Monday and I noticed the weep hole on the water … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Have a question. 06 kenworth t600 cat c15 mxs. Myself. The
the engine was rebuilt 4 months ago now it is pushing coolant out of the radiator but not always… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
My cat mxs c15 check engine light is on, loss power and oil
My cat mxs c15 check engine light is on, loss power and oil pressure is low and i took the truck to two differents mecanics to have it scaned and both came out with a 221_4 code, i disconet the sensor… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
On my c15 cat the high temp buzzer is coming on but my temp
On my c15 cat the high temp buzzer is coming on but my temp gauge and scan gauge reads normal. Is there a separate sensor just for high temp? Engine vin is 6nz58061… read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
2006 Cat C15 ACERT. 2 gallons of coolant in 365 miles. Oil
2006 Cat C15 ACERT. 2 gallons of coolant in 365 miles. Oil looks ok on the dip stick but this is on the front axle under the breather tube. Can't find any visible leaks on the coolant system. Any idea… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have coolant blowing out my radiator cap. I've checked to
I have coolant blowing out my radiator cap. I've checked to make sure pump is working by the line going to top of reservoir. I put Blowby tube in bottle of water to see if it blew air and it did even … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a C15, I'm not getting any codes but truck is flashing
I have a C15, I'm not getting any codes but truck is flashing the water temp light and shutting itself off. Do you know what the problem can be?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2011 kenworth with cummins isx. Engine runs and operates well,
2011 kenworth with cummins isx. Engine runs and operates well, temps are good, no overheat. The problem is that when driver comes off of the highway and backs out of the throttle, the low coolant ligh… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I just had my oil changed in my 2007 Kenworth with the C15
I just had my oil changed in my 2007 Kenworth with the C15 CAT engine. It is overfull by a little bit maybe a half gallon or so, about a 1/2 inch on the dipstick. My question is: Is this cause for con… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running perfect with great fuel mileage. I had a PM done a few weeks ago and we alo had to replace the water hose located behind the Fuel cool… 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
c15 loosing water truck engine2003model ,no signs,cranks good
c15 loosing water truck engine2003model ,no signs,cranks good runs good it will loose up to 6 gallons on 1100 miles ,does not over heat or miss or smoke .single turbo engine 475… 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
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Daniel Wilson

Daniel Wilson

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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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