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Related Medium and Heavy Trucks Questions
My truck just showed me SCR system fault engine will derate
Hi my truck just showed me SCR system fault engine will derate in 60 min … read more
cumminsdr
cumminsdr
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High School or GED
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Fresh rebuild complete, pistons, liners, head injectors
Ok... fresh rebuild complete, pistons, liners, head injectors ect... runs great, no miss, doesnt over heat, 190 degrees. Bob tailing no issues. Pulling 60 lbs steel coil no problems, 100 lbs load it p… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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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
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Vocational, Technical or Trade Scho
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I got Kenworth 2000 cat C12 engine in I'm looking for how to
I got Kenworth 2000 cat C12 engine in I'm looking for how to test inyector volts … read more
Cat Man
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Have a 2015 579 Pete with isx 15 throwing a code and stop
Have a 2015 579 Pete with isx 15 throwing a code and stop engine light is on particulate trap 1 pressure spn:3251 … read more
Mike
Mike
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2016 kenworth t680 losing power at certain times. 2016
Put new fuel filter on and checked air filters i had a shop put a computer on it has a icon on the dash and said it showed no problems twice light goes off and about couple hrs later comes back on … read more
Keiphun Sowell
Keiphun Sowell
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I've got a radiator leak with 1995 series 60 12.7 Detroit.
I've got a radiator leak with 1995 series 60 12.7 Detroit. Got load on. Been keeping radiator topped off but leak is slowly getting worse. I'm watching the temp and never let it overheat but have to a… read more
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3216, 1787, 3058, paacar mx 13 driving ok but codes keep
3216, 1787, 3058, paacar mx 13 driving ok but codes keep poping up … read more
Jeremy
Jeremy
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I recently replaced the CVF and now I have blow by coming
I recently replaced the CVF and now I have blow by coming out of the blow by tube so bad that I have put a can under it to keep from spreading all over the under carriage any ideas … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Flushed system again, replaced dryer receiver and expansion
Flushed system again, replaced dryer receiver and expansion valve. No other restrictions. Now the low side goes up to about 70 and the high side will just keep going up. When turned off the low side c… read more
Daniel Wilson
Daniel Wilson
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ISX 15 engine is in derate. Screen show "fuel rail
ISX 15 engine is in derate. Screen show "fuel rail pressure". Also show a fault code of SPN 5585. … read more
Nicholas Awtry
Nicholas Awtry
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I have a 2004 Freightliner with a series 60. Out of range
I have a 2004 Freightliner with a series 60. Out of range code oil pressure code coming up and service engine light. Oil pressure gauge goes to 100 when loaded.… read more
Pete
Pete
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General auto certifications
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I did an oil change about 35k miles ago and found metal
I did an oil change about 35k miles ago and found metal shavings.fine iron like shavings,what looked like a piece of a gear tooth and a metal piece about an inch long and the thickness of a sheet meta… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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My 3406 Cat engine has about 1.367,000 mls. there was an
Hello and Good Morning, my 3406 B Cat engine has about 1.367,000 mls. there was an inframe at about 800,000 mls according to the former owner. Suddenly I had 5 PSI at normal oil temperature at about 1… read more
Cat Man
Cat Man
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I'am looking at a used 2014 579 Pete, 400000 km. 455 with a
i'am looking at a used 2014 579 Pete , 400000 km. 455 with a 13speed and 321 rears ,i goss around 100'ooo pounds will this set up work for me . Is there thing I should look for on this truck and motor… read more
Wayne
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D4 High Track oil gets real hot Ive changed oil several times
D4 High Track oil gets real hot Ive changed oil several times cleaned oil cooler radiator I am concerned maybe my rod and mains might be going?… read more
catmastertech
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cummins man I have a Maxforce 13 2012 with over 100 oil
cummins man I have a Maxforce 13 2012 with over 100 oil pressure. I have heard this could come from the pump. Has fresh filters, new regulator and with a gauge over 100 upon start up. could some retur… read more
Andy
Andy
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Vocational, Technical or Trade School
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Maxforce 13 engine always was around 60 psi running down the
Maxforce 13 engine always was around 60 psi running down the road, now its steady 80 to 90 psi and if you hit the throttle at idle warm it jumps to 100+ What could cause this. I have already changed t… read more
Daniel Wilson
Daniel Wilson
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,118 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 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

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

36,550 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 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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