Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I'm getting a blackish liquid coming out my weep hole on my
I'm getting a blackish liquid coming out my weep hole on my C15 Acert. There doesn't seem to be anything foreign in the radiator. I run Cat ELC. It's a new water pump too... any thoughts?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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
Truck running too cool. C15 6nz had thermostat replaced.
Truck running too cool. C15 6nz had thermostat replaced. After warmup, takes 20 miles to get temp to 190. Temp drops 15 degrees going thru a small town, then it will pick back up in few miles. At 800 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
972 satisfied customers
Coolant leaking into oil from 2nd 0il passage way from front
Coolant leaking into oil from 2nd 0il passage way from front motor on drivers side. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2014 isx 550. I'm getting coolant coming out of overflow as
2014 isx 550. I'm getting coolant coming out of overflow as well. On a hard pull. When it's down a gallon it reduces the leaking. Should a egr cooler not use coolant rather then pressure the overflow … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
387 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
10,206 satisfied customers
Have the coolant leaking from what ive seen here is called
Hey i have the coolant leaking from what ive seen here is called the weep hole on the water pump. Its on a cat c-15 engine. I thought it was a freeze plug before. Dies this now mean i definately have … read more
Expert
Expert
7,393 satisfied customers
Have just found that we have water in the oil on our 130 hp
Have just found that we have water in the oil on our 130 hp v 6 have taken the heads of and found no cracks just wondering where we go from now the miter is and fire pump … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a CAT 3406E and I have been losing coolant recently.
I have a CAT 3406E and I have been losing coolant recently. I have steam coming through the blow by tube. I cannot see any antifreeze or any leaks anywhere but I do have the steam coming through the b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 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
Losing coolant in a 5.9 cummins in a cih 2144 combine with
Losing coolant in a 5.9 cummins in a cih 2144 combine with only 1800 engine hours. No visible leaks. 1-2 qrts every 4 or 5 days. Engine oil has not been overfull but am suspicious of black sludginess … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2006 International 4300. DT466. Excessive antifreeze
2006 International 4300. DT466. Excessive antifreeze consumption. Not leaking on ground. Pressure tested and held pressure. No mixing of coolant in oil. Removed EGR cooler and inspected for contaminat… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
DT466 - warning light above "Warn Engine" light on dash chirps
DT466 - warning light above "Warn Engine" light on dash chirps and seconds later truck shuts down?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Have a 04 BSX 707820 miles on truck, 85000 on inframe , getting
Have a 04 BSX 707820 miles on truck, 85000 on inframe , getting air in coolent overflow , topped up coolent once , pushed out coolent but levelled out at bottom of sight glass , truck don't run hot , … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 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
10,206 satisfied customers
Hi, I have a 2005 379 Pete with a C-15 Acert. After I purchased
Hi, I have a 2005 379 Pete with a C-15 Acert. After I purchased the truck I noticed a minimal amount of coolant coming from the water pump weep hole. I took the truck to my mechanic and he said the pu… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
I have a 6.6 litter 1 ton dually Silverado truck[2002]. My
I have a 6.6 litter 1 ton dually Silverado truck[2002]. My problem is I've had bad injectors for awhile butrecently developed a water leak from the weep hole on the water pump. I overheated the engine… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 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

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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

Certified Truck/Bus Technician

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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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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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