Medium and Heavy Trucks

Have Truck Repair Questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Medium and Heavy Trucks

Engine coolant temperature keeps showing cold aftr machine…

Customer Question
Engine coolant temperature keeps...

Engine coolant temperature keeps showing cold aftr machine has been running for hours, what can the problem be?

Mechanic's Assistant: What is the complete model and serial number of your machine?

Lx665

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Nothing

Submitted: 1 month ago.Category: Medium and Heavy Trucks
Show More
Show Less
Ask Your Own Medium and Heavy Trucks Question
Answered in 48 minutes by:
12/23/2017
Technician: Wayne, Journeyman replied 1 month ago
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 10,523
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified

Hi I'm Wayne

I will be assisting you with this issue today

Merry Christmas

what you are describing is the coolant sensor has failed

I suggest you replace that sensor

it is located on the head or near the thermostat housing

I hope this helps you

Wayne

My goal is to give you the best experience possible! I hope I have earned a 5- star rating! Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. If you need more assistance, please use the reply box and let me know

Ask Your Own Medium and Heavy Trucks Question
Ask Wayne Your Own Question
Wayne
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 10,523
10,523 Satisfied Customers
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Wayne is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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

2,322 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,247 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

10,523 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,019 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,225 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

813 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< Previous | Next >

Related Medium and Heavy Trucks Questions
My 2005 Pete with a C15 won't start. I get no clicking in my
My 2005 Pete with a C15 won't start. I get no clicking in my valve covers for the fuel rail system. Ecm checks out good. I have fuel pressure after cranking in the return behind filter. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,247 satisfied customers
Flashed ecm to 500 hp now I cant program personality module
flashed ecm to 500 hp now I cant program personality module without high interlock factory password. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Vocational, Technical or Trade School
2,019 satisfied customers
Freightiner cascadia 2016 both yellow engine lights on
Freightiner cascadia 2016 both yellow engine lights on steady, yellow light next to def gage blinking. Active faults says poor def quality and emissions system problem Tried manual Regen, doesn't soun… read more
Wayne
Wayne
Journeyman
10,523 satisfied customers
I have a ud that shuts down after 30 second run time, dpf
i have a ud that shuts down after 30 second run time, dpf overheat light is on … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,322 satisfied customers
I have a 3406E cat serial number 5EK 550 HP I cannot get
I have a 3406E cat serial number 5EK 550 HP I cannot get more than 18 to 20 PSI of turbo boost before this started I would getting 32 PSI it started dropping gradually over a few weeks period I have c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,247 satisfied customers
Gettin water in my fuel when it rains or when I wash my
Gettin water in my fuel when it rains or when I wash my engine … read more
Curtis B.
Curtis B.
Technician
Associate Degree
813 satisfied customers
I have lost power to my windows, radio, headlights and
I have lost power to my windows, radio, headlights and cigarette lighter. Not sure where to begin repair … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,322 satisfied customers
When backing up on a case 1150h you hit rt brake to swing to
when backing up on a case 1150h you hit rt brake to swing to lt it stops … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,322 satisfied customers
ALLISON MD-3060P IN A 1995 FL70. WHEN UNIT GETS HOT
WHEN UNIT GETS HOT TRANSMISION WILL NOT GO IN TO GEAR FROM THE NEUTRAL POSTION.AFTER IT COOL OFF NEXT DAY IT WORKS FINE TILL YOU GO TO CHANGE TO R WON'T ENGAGE. ANY RECOMMENDATIONS … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,322 satisfied customers
I have a 2000 I h truck with a 13 speed transmission with a
I have a 2000 I h truck with a 13 speed transmission with a c13 cat can I swap it with a 1989 3306 9 speed cat … read more
Wayne
Wayne
Journeyman
10,523 satisfied customers
We have a 2009 Chevrolet C5500 and the battery was
We have a 2009 Chevrolet C5500 and the battery was disconnected for about 2 hours and now the code P0657 is coming up? What needs done to fix this? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
813 satisfied customers
Probem with a 2006 freightliner m2. Vin # 1fujgedr9bsav3384
vin # 1fujgedr9bsav3384 code bh162 the reverse lights don't come or the speedometer doesn't work ....the batteries were stolen and we replace and now this happens . the code bh162 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,322 satisfied customers
I have a prevost bus conversion, 1996. I tried to continue
I have a prevost bus conversion, 1996. I tried to continue my trip but my tag axle won't lift the bus back to drive height. It worked yesterday just fine over 600 miles. Is there a way to get it down … read more
Wayne
Wayne
Journeyman
10,523 satisfied customers
I am working on my Hyster fork lift it has a 2.0 with a
I am working on my Hyster fork lift it has a 2.0 with a single overhead cam I needed to replace water pump figured wile I had it apart I would change front crank seal not bad occasional drip couldn't … read more
Curtis B.
Curtis B.
Technician
Associate Degree
813 satisfied customers
Found a oily substance on the back of the tractor where the
Found a oily substance on the back of the tractor where the air lines come from the tractor and around the cab air bag having problems with truck shifting pass 5th gear… read more
Wayne
Wayne
Journeyman
10,523 satisfied customers
I have a 2007 international 7400 sfa 4x4 the frt. warning
I have a 2007 international 7400 sfa 4x4 the frt. warning lights do not work … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
396 satisfied customers
2012 ISB 200 I need the procedure to replace the turbo
2012 ISB 200 I need the procedure to replace the turbo actuator on the turbo using Cummins insite software. ESN: 73249129… read more
roy
roy
Associate Degree
3 satisfied customers
I'm working on a Mitsubishi FE120 flip cab diesel. It's
I'm working on a Mitsubishi FE120 flip cab diesel. It's having overheating issues. Won't blow hot air through the A/C system while it's overheating. While driving at normal temp it will blow hot air f… read more
Wayne
Wayne
Journeyman
10,523 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.

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