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Related Medium and Heavy Trucks Questions
We have a C15 that is not overheating but is losing about a
We have a C15 that is not overheating but is losing about a gallon of water a day. It had a negative bottle test. Replaced the air compressor but it is still losing water. Cannot find any leaks … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
Cat c15 2004 western star 4900 abs light comes on but works
Cat c15 2004 western star 4900 abs light comes on but works also when I take fuse out you can tell a braking difference? Any help.… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
354 satisfied customers
I have a c15 cat thee was fuel in my coolant so i had all
I have a c15 cat thee was fuel in my coolant so i had all the injector cups replaced and after about 2000 miles i have lost about 4 gallo a of coolant with no visible leak seems like it may be going i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
I have a cat mxs c15 and it's giving me a code 98. Last week
I have a cat mxs c15 and it's giving me a code 98. Last week it was a 25 so I changed the boost sensor now it giving a 98. Any ideas? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
I have a JD 8335R that is loosing a gallon or so of coolant
I have a JD 8335R that is loosing a gallon or so of coolant per day. No leaks anywhere, just missing coolant. Sent off an oil sample and it came back 0% water but lots of coolant additives present in … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,975 satisfied customers
Have active code spn 3711 fmi 31 and spn 3719 fmi 0. 2009
have active code spn 3711 fmi 31 and spn 3719 fmi 0. 2009 western star with a cat c15. will only run for 1 minute. engine light and engine stop lights are on. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
I have a 2011 peterbilt with c15 cat it's losing coolant
I have a 2011 peterbilt with c15 cat it's losing coolant about 1 gallon per 100 miles it has no leaks it's not getting in the oil and not smoking … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
Looking to get info on some caterpillar codes. Thanks\ We
looking to get info on some caterpillar codes JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment Mechanic I'm going to connect you with knows … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 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
5,171 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
5,171 satisfied customers
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
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 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
5,171 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
5,171 satisfied customers
Hello! you have helped us before. we have a 2011 ih dt maxx
Hello! you have helped us before. we have a 2011 ih dt maxx force duro star 433 straight truck with the last 8 of 8cl535101. we are losing 1/2 to 3/4 gal antifreeze per day with no visible leak. if he… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
I have a 2003 western star with a c15 it is using a gallon
I have a 2003 western star with a c15 it is using a gallon of antifreeze a day ....don't see any sign of a leak ANYWHERE.. not in oil, overflow hose ...pressure checked reservoir tank..all good ..But … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
hi I have a 2006 freightliner with a Detroit 60 series engine
hi I have a 2006 freightliner with a Detroit 60 series engine I am loosing coolant I have no external leaks where should I look next… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 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
5,171 satisfied customers
i was wondering if someone could tell me the best way to test
i was wondering if someone could tell me the best way to test for a bad head gasket on a VT-365 international engine?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

10,975 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

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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

cumminsdr

cumminsdr

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Curtis B.

Curtis B.

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Chris (aka-Moose)

Chris (aka-Moose)

Technician

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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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