Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
2000 freightliner classic fan won't shut off. Put a new temp
2000 freightliner classic fan won't shut off. Put a new temp switch in block new air Solenoid solenoid. We have no power at air solenoid or both low or high a/c switches , but a/ works. All breakers h… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
419 satisfied customers
The engine fan will not come on automatically when water
The engine fan will not come on automatically when water temp gets high under a load. The fan works when I turn on manual switch and the fan works with the high pressure side of A/C. this is a C-16 en… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2005 freightliner columbia drive 2 to 3 miles truck runs a
2005 freightliner columbia drive 2 to 3 miles truck runs a temperature up to 200 in higher engine 14 liter detroit change termostats coolant leveling sensor temperature sensor… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
We have a 2014 Freightliner with the S2C and the high side
We have a 2014 Freightliner with the S2C and the high side ac pressures run high and temp goes up enough to kick the cooling fan on every 1-2 miles or 2-3 minutes of idling still. We have replaced eve… read more
Bradey V
Bradey V
Certificate
I have a problem with my fanclutch stays on all levels the
Hi I have a problem with my fanclutch stays on all levels the time I replace the fan solenoid and nothing happens but when I check for power 8t does have power in one of the wires all the time but whe… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2004 freightliner century with a series 60 detroit
hello I have a 2004 freightliner century with a series 60 detroit 12.7 egine and i have 3 codes active but one is shutting down the egine with the stop light on can sombody help me out with this probl… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2005 freightliner century wit detroit engine, fan
i have a 2005 freightliner century wit detroit engine … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Engine Fan comes on when I hit a bump. Water gauge is at
Engine Fan comes on when I hit a bump. Water gauge is at 180 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
2009 International 4300 Dt466 Fan clutch stays engaged at
2009 International 4300 Dt466 Fan clutch stays engaged at all times. need to know if the engine coolant temp sensor is the same thing as a Thermal Switch.… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have a 2004 Freightliner Columbia 14 Liter 60 Series Detroit,
I have a 2004 Freightliner Columbia 14 Liter 60 Series Detroit, my a/c compressor is not coming on, I have put gauges on the Low and High lines to see if the system was to low or high and also check t… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Hey buddy I have a C-15 6NZ ser# XXXXX engine fan will not go
Hey buddy I have a C-15 6NZ ser# XXXXX engine fan will not go off. I've changed fan siliniod , A/C high pressure switch and temp sensors on the thermostat housing. I've ordered a wiring harness but so… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2004 peterbilt with a c-15 engine. When the outside
I have a 2004 peterbilt with a c-15 engine. When the outside temperature goes below a certain temperature like -15 celsius the engine fan engages and won't go off. What would cause this to happen?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
my 2006 freightliner century st, detroit motor, uses a gallon
my 2006 freightliner century st, detroit motor, uses a gallon of coolant about every 600 miles. I just had new fuel injectors and injector cups put in last week. Is this serious, will it create a prob… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Have a 2004 Century Class Freightliner day cab with Detroit
Have a 2004 Century Class Freightliner day cab with Detroit motor. Motor starts fine but won't shut down with the key switch, also I have no power to the A/C clutch and the gauges won't work correctly… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2006 Freightliner tractor that has the motor cooling
I have a 2006 Freightliner tractor that has the motor cooling fan that runs constantly. We checked the wiring, ground and changed all sensors that are involved with it but it can be turned off and on … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
International 9400: I have a 2000 international with a 60 series
I have a 2000 international with a 60 series detroit , the engine fan is coming on and off frequently when I am going down the road, the solinoid switch was bad not allowing it to kick off and we repl… read more
ps1067
ps1067
Lead Technician
Master's Degree
68 satisfied customers
1996 pete with a 3406e. Fan will not come on when under load,
1996 pete with a 3406e. Fan will not come on when under load, the fan will cycle when stopped with brakes applied. Have changed fan stat and no difference. should kick in around 215, but will climb to… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hello I have a Detroit diesel S60 14L EGR engine. I need to
Hello I have a Detroit diesel S60 14L EGR engine. I need to know what the engine fan on and off temps are also does ECM relie on Coolant temp or engine oil temp. to engauge the fan.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x