Medium and Heavy Trucks

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I have a renault/ mack truck with a MIDS 06.20.30 engine. I
Hi. I have a renault/ mack truck with a MIDS 06.20.30 engine. I have oil in the coolant. Heads have been tested and reassembled with new gaskets. The oil cooler has been pressure tested and water pump… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,165 satisfied customers
Paccar Mx 13 has a lot of pressure on the coolant resivour
Paccar Mx 13 has a lot of pressure on the coolant resivour tank what can be the issue … read more
Bradey V
Bradey V
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We have a 2014 Volvo d16. It came into the shop with a
Hi. We have a 2014 Volvo d16. It came into the shop with a little black oil in the rad. So we changed the oil cooler and flushed the rad. Then test drove truck and got it hot. Coolant was clean. Truck… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2000 m11 fresh inframe giting combousten in cooling
i have a 2000 m11 fresh inframe giting combousten in cooling system … read more
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I have oil in the radiator of a Cat c7 engine. The oil
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Vocational, Technical or Trade Scho
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1999 7AS 3126 Cat engine in a C6500 tow truck. The engine
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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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Cat Man
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i replace the injector cups on my 1998 international 466e it
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Andy
Andy
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hi, my name is ***** ***** NY. I have an '05 C15 ACERT that is
hi, my name is ***** ***** NY. I have an '05 C15 ACERT that is over pressurising the radiator. I put a new air compressor on it thinking it was bad as it was original, that was not the problem. We did… read more
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truck /coach technician
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UD 1400: MY NAME ISXXXXX HAVE A 1994 UD 1400 WITH A TD42T
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1996 American eagle bus series 40 overheating new rad. new water pump, new therm. runs up 225deg. and over within 6 miles ?… read more
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Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting
Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting oil into the coolant, replace oil cooler element drain system Did took it for a drive still putting oil in coolant not only that but stil… read more
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Have a 2007 model international 9200 with a Cummins ISx. Getting
Have a 2007 model international 9200 with a Cummins ISx. Getting coolant dripping out of the blow by (crankcase ventilation) pipe. Just replaced the oil cooler and air compressor and dont know if eith… read more
cumminsdr
cumminsdr
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Hi. My boss has a Hino truck which is pressurizing the cooling
Hi. My boss has a Hino truck which is pressurizing the cooling system (bubbles observed). A CO2 test at the radiator was negative, and the compressor head gasket was replaced. Could the turbo or EGR c… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,165 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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All types of Cummins applications

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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