Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Coolant turning after numerous flushes. 2000 Freightliner
Coolant turning brown after numerous flushes JA: What's the make/model/year of your truck? Engine type? Customer: 2000 Freightliner fld Cummins n14 red top JA: Are you fixing your truck yourself? What… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
It wont crank. 95 freightliner fld120 Cummins n14. I use to
I use to start with starting fluid but only stay kinda cranked of keep spraying … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
N14 celect plus lots of miles but still have power good
N14 celect plus lots of miles but still have power good compression, as far as oil usage is using about a gallon every 3000 miles, I'm okay with that, question is at what point is time to do liners,pi… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
We have a 2012 freightliner Columbia vin#1fujgldr2clbjo427
We have a 2012 freightliner Columbia vin#1fujgldr2clbjo427 the fan is staying on at all times unless you unplug the fan solenoid then it will engage I've traces the wires all the way to the ECM and di… read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have a Freightliner Fld with a 314 code on a Cummins n14
I have a Freightliner Fld with a 314 code on a Cummins n14 celect plus it says engine derate 1400 rpm to 1600 rpm current to injector it's shut off. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
N14 Celect plus in a 99 Freightliner classic. Engine cranks,
N14 Celect plus in a 99 Freightliner classic. Engine cranks, but will not start. originally had a fault 434 for low voltage to the ECM. Found the 3 pin power wire with the fuses old, corroded and crac… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Cummins n14 celect plus....installed clear hose between fuel
cummins n14 celect plus....installed clear hose between fuel pump and fuel filter base, new davco 382+ installed....i was checking for air bubbles ....when i quick rev my engine to 1800rpm , i see hug… read more
Drue Casey
Drue Casey
Heavy Duty Diesel Mechanic
Vocational, Technical or Trade School
Starts and runs for a few minutes then dies. ck eng light is
Starts and runs for a few minutes then dies. Amber ck eng light is on and red stop light is on … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
N14 Cummings - Will not start after replacing the Fuel Pump.
N14 Cummings - Will not start after replacing the Fuel Pump. I do have voltage going to the fuel solenoid. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a meritor 10 speed that will not go in high gear. I
I have a meritor 10 speed that will not go in high gear. I hear air at the air over electric valve but its not switching … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 1992 freightliner fld120 with a n14 celect cummins.
I have a 1992 freightliner fld120 with a n14 celect cummins. Im basically have the same problems that everybody else is having. The truck was running fine and one day i turned it on to warm it before … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
We just purchase a 1998 Freightliner truck with a cumin
We just purchase a 1998 Freightliner truck with a cumin engine. it came with a plow and we were trying to drive it back when it overheated. we shut it down and now it will turn over but will not start… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
We are running CAT C-15 engines in our drilling rig. Have one
We are running CAT C-15 engines in our drilling rig. Have one that is giving a warning light while rig is warmed up and starting drilling. Engine shows about 90% load. All temps and pressures are good… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2001 freightliner century with cummins N14, engine fan is constantly
2001 freightliner century with cummins N14, engine fan is constantly running. Have already replaced the ac high pressure switch and the fan clutch solenoid.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2000 CAT 3126 IN A FREIGHTLINER, I HAVE REPLACED ALL INJECTORS
2000 CAT 3126 IN A FREIGHTLINER, I HAVE REPLACED ALL INJECTORS , PRESSURE REGULATOR CK VALVE REAR OF HEAD , AND ALSO REPLACED FUEL PUMP ON BACK OF HEUI. STILL WHEN STAR UP COLD [ 60 DEGREES ] FIRES RI… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hello, I have a Freightliner columbia 07 detroit 60 14.0l .
Hello, I have a Freightliner columbia 07 detroit 60 14.0l . My water gauge keeps dropping down to a 100 stays there for a while then goes back up to normal. Then goes down to 150 stays there and drops… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
Have a 2000 volvo truck with cummins engine. It has old style
Have a 2000 volvo truck with cummins engine. It has old style mechanical fuel pump with stop solenoid. Not later models all computer electric injectors. Stop solenoid is not receiving current to keep … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a n14 celect plus in my freightliner and i just
I have a n14 celect plus in my freightliner and i just replaced all 3 heads on it and my injectors is not working right, What can cause this problem?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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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