Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2015 freightliner Cascadia with about 600,000
Hi. I have a 2015 freightliner Cascadia with about 600,000 miles. My question is what oil should I use synthetic or regular and what's the difference. Any particular brand you recommend. What weight 1… read more
Chris (aka-Moose)
Chris (aka-Moose)
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1999 international 4700 st 466e. The motor shuts off while
1999 international 4700 st 466e. The motor shuts off while I'm drivingivingr … read more
Andy
Andy
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Vocational, Technical or Trade School
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I have a 2009 ISC 8.3 300 HP Cummings diesel in a M2 106 FL.
I have a 2009 ISC 8.3 300 HP Cummings diesel in a M2 106 FL. Truck has 109,000 miles, and about 1800 PTO hours (Crane) I keep getting sporadic check engine lights, or engine protect lights for high cr… read more
Mike Mcmillan
Mike Mcmillan
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1998 FL70 Freightliner with an 8.3 Cummins motor. It will
1998 FL70 Freightliner with an 8.3 Cummins motor. It will run and then the engine shut off light will come on and the motor will shut off. It will restart, but in like five minutes it will do it again… read more
cumminsdr
cumminsdr
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I just woke up and ready to start my day and im warming my
i just woke up and ready to start my day and im warming my engine and my oil pressure gauge is too high it was running fine i check the oil and everything seen to be fine the engine sound ok is a 2015… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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Have a 2009 sterling dump truck with a mb 460 the problem is
Have a 2009 sterling dump truck with a mb 460 the problem is when loaded go into 8 gear up a grade. Foot on the floor about 14 hundred rpm the stop engine light well flicker. It has shut the engine do… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Coude 2215 on 2009 Cummings isx 15. I already replaced
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Eddy
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Stalls after warm up and won't start till cooled off. Code
Stalls after warm up and won't start till cooled off. Code ISO 2023 14p … read more
Andy
Andy
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Vocational, Technical or Trade School
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01 sterling m8500 engine Model 3126 7.2L. Drives for 1 mile
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a Detroit eng sn 06R0876258. It has low oil pressure
I have a Detroit eng sn 06R0876258. It has low oil pressure and was getting hot today climbing a hill. the ecm shut it down for engine protection. the oil pressure on dash at idle is 15 psi and 30psi … read more
Curtis B.
Curtis B.
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128 164 10 pid Injection control pressure adnormal rate of
128 164 10 pid Injection control pressure adnormal rate of change...2007 F650 6.0L Powerstroke...Ford dealership changed the IPR a few weeks ago. … read more
Jeremy
Jeremy
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​ I need an answer from an experienced Detroit Diesel
​Hello, I need an answer from an experienced Detroit Diesel mechanic. I have a 1994 Volvo GMC with a Detroit Diesel 12​.7​ liter engine DDEC III. Engine has 350,000 miles (fuel injectors are rebuilt) … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I recently purchased a 1999 sterling truck with an 8.3 cummins
I recently purchased a 1999 sterling truck with an 8.3 cummins diesel engine. We had to install a new fuel injection pump and when we initially started the engine we had no oil pressure. We installed … read more
Jeremy
Jeremy
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Associate Degree
2,756 satisfied customers
Komatsu diesel oil pressure warning at idle - new behavior
Hello, I've got a Komatsu D20P-5 dozer that I've had about 6-7 years. I think it's a mid-80's model but wouldn't bet my life on it... Put all new engine fluids and filters in it when I got it, and hav… read more
Expert
Expert
I have a 2005 Sterling LT 9500 with a Mercedes diesel. Yesterday
I have a 2005 Sterling LT 9500 with a Mercedes diesel. Yesterday truck was at an idol running fine. I shut the truck off and restarted it approx. 10 minutes later. The check engine light came on and t… read more
Pete
Pete
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General auto certifications
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my cummins n14 on long hard pull oil temp goes to 240 degrees
my cummins n14 on long hard pull oil temp goes to 240 degrees and oil pressure drops to 20 pounds at 1500 rpm what is wrong… read more
Wayne
Wayne
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Hello, we have a 2004 sterling with a cat c7 motor. This just
Hello, we have a 2004 sterling with a cat c7 motor. This just started a few days ago. Needle on oil pressure gauge on dash bouncing back and forth. engine continues to run but throttle is disingaged. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Hi -- we had an 03 Volvo w/ ISX 500 come in recently for oil
Hi -- we had an 03 Volvo w/ ISX 500 come in recently for oil in the coolant tank. Replaced both oil cooler cores, and flushed the cooling system using Dawn dishwashing soap final 2 flushes were with p… read more
cumminsdr
cumminsdr
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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