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Related Medium and Heavy Trucks Questions
I have a Freightliner Classic Xl C15 (double turbo) and
I have a Freightliner Classic Xl C15 (double turbo) and there is an internal leak through this seal but I do not know the name of the seal (see image) ?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Replaced coolant hose from reservoir yesterday....it's a
Replaced coolant hose from reservoir yesterday....it's a 2015 Pete 579 with a paccar.... today ran fine aprix 600 miles with full load ...as soon as I stopped low coolant light came on and coolant is … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Super Duty 7.3L was underneath the truck today and noticed
Super Duty 7.3L was underneath the truck today and noticed some antifreeze drops that looked fresh. i did quickly move it from outside the garage to inside the garage without warming it up because i d… read more
Roy Belding
Roy Belding
7,517 satisfied customers
2014 Kenworth T 800 with a Cummins ISX 15 in it using half a
2014 Kenworth T 800 with a Cummins ISX 15 in it using half a gallon of coolant a day, no visible leaks radiator overflow tank under a enormity pressure ,radiator hoses bulging, help to diagnose… read more
Mike Mcmillan
Mike Mcmillan
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I have a 1997 freightliner classic with a detroit 12.7. I
I have a 1997 freightliner classic with a detroit 12.7. I pulled over the other night and a hose leaking water at one end. I cut the hose end a re attached. I could not get a hold of enough coolant to… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a question i saw antifreeze leaking from the air to
Good afternoon I have a question i saw antifreeze leaking from the air to air tube that runs up to the turbo but a later stopped an a few times a day I smell antifreeze but don't see anything on the g… read more
Mike Mcmillan
Mike Mcmillan
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C15 Cat in a 4900 Western Star losing 2to3 gallons coolant
C15 Cat in a 4900 Western Star losing 2to3 gallons coolant per day. No visible leaks, exhaust not white,not skipping,not blowing out overflow. Help me.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have a 2005 kentworth with c15 keeps overheating and loosing
Have a 2005 kentworth with c15 keeps overheating and loosing about 2 gallons of antifreeze every 3,000 miles. Fan clutch is working just fine, just change the thermostat and still the same problem. Wh… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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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
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2007 international 9400i, using lots of water, done an
2007 international 9400i, using lots of water, done an inframe, had head sent off and pressure tested, replaced water pump and radiator, all in attempt to get issues fixed. Only other option I know is… read more
Curtis B.
Curtis B.
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Associate Degree
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I have a c15 6nz engine and I had to put 3 gallons of
I have a c15 6nz engine and I had to put 3 gallons of antifreeze on the engine on 4000 miles … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
4,023 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
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Losing coolent not in oil or transmission engine runs good
losing coolent not in oil or transmission engine runs good used 3 gallions in 1200miles pressure tested when cold but not when hot … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a c15 acert i have just changed water pump on when i
I have a c15 acert i have just changed water pump on when i was warming engine up to check for leaks i noticed there was oil coming from weep hole on water pump. Any ideas i didnt think this was possi… read more
Cat Man
Cat Man
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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
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I have a Detroit s60 14L I have oil in the water and water
I have a Detroit s60 14L I have oil in the water and water in the oil as well. I don't know where to look now. I already changed the oil cooler and the egr cooler. Its using about a gallon of antifree… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
My 9nz C15 is leaking coolant when cold approx. 4 drops/minute
My 9nz C15 is leaking coolant when cold approx. 4 drops/minute from the water pump area. Seems to stop when hot. Cant see the tell tale hole to confirm that is where its coming from on this Western St… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,220 satisfied customers
2007 hino is using water every couple it got a egr coolant
2007 hino is using water every couple it got a egr coolant it dry on the exhaust and intake side the motor don.t get hot and run good the top tank of rad is hot and bottom is cold… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,220 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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