Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a boat with 3126 Cats just short of 500 hrs. I
I have a boat with 3126 Cats just short of 500 hrs. I recently had a breakdown with Black smoke and Overheating at same time. Shut down an limped back to marina on 1 engine. There is a Cat mechanic wh… read more
Bradey V
Bradey V
Certificate
I have a 2002 gmc C6500 that was idling rough and now won't
I have a 2002 gmc C6500 that was idling rough and now won't start it just cranks I counted the check engine flashes and got 58 39 74 72 73 44 and 49… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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2002 chevy c6500 has check engine light on. does not have
2002 chevy c6500 has check engine light on. does not have cat doitch connector, only a obd2 connector. how do i do a flash code on it with out cruise control. … read more
Jeremy
Jeremy
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Associate Degree
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I am using 2 quarts of anti-freeze a day in a 2016 Kenworth
I am using 2 quarts of anti-freeze a day in a 2016 Kenworth with a Cummins 550 ISX. Checked the EGR cooler and both sides of the turbo and … read more
cumminsdr
cumminsdr
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Cat man, 2002 international with C15 have to add some
Cat man, 2002 international with C15 have to add some coolant every so often , can not find external leaks. Engine oil is fine. Where else to check. Also, water drips off the blow by hose and it has m… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a cat c15 engine #6nz47552 well I had oil in the
Hi my name is ***** ***** have a cat c15 engine #6nz47552 well I had oil in the coolent an low oil pressure an steam comein from the blow by tube so I had the oil cooler changed the oil pump changed a… read more
FIX-IT
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Oil in my coolant. A cat 3054 in a TH83 Telehandler. I have
oil in my coolant. A cat 3054 in a TH83 Telehandler. I have checked the oil cooler for the hydraulic oil and the engine oil. Both pass an air test at 40 psi. Engine runs smooth and starts good. No coo… read more
Curtis B.
Curtis B.
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Same question , i checked all wiring and corrected ground s
same question , i checked all wiring and corrected ground s still shutting down but noticed water level dropping and no leaks present , blow by tube looks to be steaming and develops water drops in it… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I am looking at a 1999 c6500 GMC truck with a CAT 3126 engine
I am looking at a 1999 c6500 GMC truck with a CAT 3126 engine (SN 7a531378). Are there any known problems with this engine? Currently the engine has 86,000 miles.… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I noticed on my 3406E cat out of the breather thick oil with
I noticed on my 3406E cat out of the breather thick oil with whitish stuff coming out.the coolant in the reservoir is also thick and the reservoir cap has a white substance forming on it.Has oil mixed… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2009 Cummins ISX 435 still using coolent even after replacing air charge cooler and the he
2009 Cummins ISX 435 still using coolent even after replacing air charge cooler and the head. Blows white (steam) smoke only every once in a while like pulling a grade and RPM falls to 1300. Makes a p… read more
Andy
Andy
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Vocational, Technical or Trade School
207 satisfied customers
Hello- I have an 03 KW with a cat c12 (2ks motor- not a "bridge"
Hello- I have an 03 KW with a cat c12 (2ks motor- not a "bridge" motor). 340k miles, 32k hours. OAs the weather warms up, it will start to lose coolant. The dip stick will look like a "milkshake" but … read more
Cat Man
Cat Man
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I Have a 2008 International 4300 Maxxforce it was useing
I Have a 2008 International 4300 Maxxforce it was useing colliant but couldnt see a leak, but could hear a small hissing on passanger front, after shut off (could be air from air brakes) but yestarday… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
catman I have an 08 cat c15 eng sn sdp04125. It is building
catman I have an 08 cat c15 eng sn sdp04125. It is building pressure in the coolant. We thought it had a leak but I just looked at it and it appears to be flowing from the cap. the engine was cool lik… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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catman,your the best,once again im having issues on the 04
catman,your the best,once again im having issues on the 04 chev c6500 3126 cat. either its bad o-rings on the injectors again or the cups or o-rings below the injectors. i know before you said a bad h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Have a 2007 Peterbilt with a Cat C15 Acert 475hp. Get engine
Have a 2007 Peterbilt with a Cat C15 Acert 475hp. Get engine oil in the radiator. No other fluids mixing anywhere, just getting oil into the cooling system. Replaced the oil cooler with a Reman form c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2006 Columbia with a c 13 leaks antifreeze form behind turbo
2006 Columbia with a c 13 leaks antifreeze form behind turbo somewhere cant see only leaks when engine is off it stops if you take off rad cap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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i have a 2007 freightliner columbia with a detroit 60 engine
i have a 2007 freightliner columbia with a detroit 60 engine ser # XXXXX that is making oil into the coolant system we have already changed oil cooler and flushed the system several times is there any… read more
spankyjr1
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,431 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,177 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,893 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,738 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

1,629 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,413 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

311 satisfied customers

16 years of experience

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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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