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I have a cat mbn 525 hp c15 and engine fan is not coming on
i have a cat mbn 525 hp c15 and engine fan is not coming on by itself . it will come on with manual switch and with a/c . tested harness and have 4 volts at sensor and also replaced sensor . also have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have oil in the radiator of a Cat c7 engine. The oil
I have oil in the radiator of a Cat c7 engine. The oil cooler and oil filter housing have been replaced with cat oem parts. The engine has been rebuilt and a cracked head was found and replaced. Also,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have coolant in my transmission. Ifuja6ck87lx78386 2007
ifuja6ck87lx78386 2007 freightliner Columbia Detroit … read more
Curtis B.
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1999 7AS 3126 Cat engine in a C6500 tow truck. The engine
1999 7AS 3126 Cat engine in a C6500 tow truck. The engine runs excellent with no symptoms other than massive amounts of engine oil being pumped into the cooling system. The oil looks to be mixing unde… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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3406 CAT ENGINE I BELIEVE ITS A 3406E WITH THE COMPUTER ON
3406 CAT ENGINE I BELIEVE ITS A 3406E WITH THE COMPUTER ON THE SIDE OF THE BLOCK I HAVE COOLANT IN OIL AND I HAVE THE RADIATOR UNDER PRESSURE TOOK THE OIL PAN OFF CANT SEE ANY WATER DROPING ON THE SID… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2006 Peterbilt 387 with a cat C15 dual turbo. first off im
2006 Peterbilt 387 with a cat C15 dual turbo. first off im new to these big engines. one of the blue hoses with a valve(the top one theres 2) on the passenger side towards the front of the motor was o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have a c15acert cat engine! It runs HOt does not use water
Have a c15acert cat engine! It runs HOt does not use water doesn't use oil ! Have cleaned all rads,air to air, air conditioners, changed thermostats , water pump , checkout all hoses for blockages, ad… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I HAVE A 2006 NO 258 WHICH IS OVERHEATING AND PUSHING
I HAVE A 2006 HINO 258 WHICH IS OVERHEATING AND PUSHING COOLANT. IT WILL RUN FINE SITTING AT IDLE BUT WHEN ACCELERATED WILL PUSH COOLANT. HAS NO HEAT EITHER AND WHEN PULL THE HEATER CORE HOSES OFF GET… read more
Daniel Wilson
Daniel Wilson
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Freightliner 2001 problems with front cab heater changed
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roy
roy
Associate Degree
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Cat Man, I have a 03 6nz. 100,000 miles on it after
Hello Cat Man, I have a 03 6nz. 100,000 miles on it after a out of frame. I have an overheating problem you have already gave me suggestions on. . I've checked my oil cooler, cleaned my radiator and a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs great with no water or oil loss since an out of frame 115,000 miles ago. Since the rebuild it's ran hot. I've replaced the radiator and th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have changed the thermostat and fan hub but can't get any
I have changed the thermostat and fan hub but can't get any heat inside the cab. I am being told that the head gasket is causing compression in the cooling system… read more
Curtis B.
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i there again Cat Man, we are having another overheating
i there again Cat Man, we are having another overheating problem with our 3116 cat diesel marine. it keeps overheating and we changed the thermostat and still no relief. did lots of trouble shooting a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
catmant 6nz the driver just brought in. He says the heat quit
catmant 6nz the driver just brought in. He says the heat quit in the cab and there is oil in the coolant. so it seems there are two issues. First oil in the coolant. I took the radiator cap off and it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hello Wayne I have this same problem I don't under stand what
Hello Wayne I have this same problem I don't under stand what your a telling this gentleman to do… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I have a cat 3406E 6TS engine that is slowly getting engine
I have a cat 3406E 6TS engine that is slowly getting engine oil in the coolant. I replaced the oil cooler and it has an air trans cooler. Any ideas? What about the air compressor?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Hello sir. First, let me tell you how much I appreciate you
Hello sir. First, let me tell you how much I appreciate you making yourself available; I have found your knowledge to be extremely helpful. I am working on a 2003 Cat C12, prefix 2KS, in a 2003 Peterb… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
3208 cat engine in ford 800 to little coolant hoses in middle
3208 cat engine in ford 800 to little coolant hoses in middle of engine what are they reffered to cant find replacment hoses about 6 inch long… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

7,038 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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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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