Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2005 FG is overheating. Radiator seems perfect but isn't
2005 FG is overheating. Radiator seems perfect but isn't getting warm, no flow. … read more
Drue Casey
Drue Casey
Heavy Duty Diesel Mechanic
Vocational, Technical or Trade School
Replaced thermostat seems to be air pockets in cooling
replaced thermostat seems to be air pockets in cooling system engine wont heat up over 175 degrees lower hose and radiator still cool after 2 hrs run time … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have an O7 Freightliner where is a C15 acert twin turbo at
I have an O7 Freightliner where is a C15 acert twin turbo at 475 horse I've driven it over 300,000 miles recently I had an overheating issue and it cos they had to crack and I had it in the shop and I… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series
I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series motor. My truck heatup and after 5 to 10 mints its came at normal like its goes more than 220 and then came back at normal after 5 to mints. Wh… read more
Expert
Expert
7,453 satisfied customers
I've got a 1999 Isuzu NPR 4cyl turbo diesel. First the
I've got a 1999 Isuzu NPR 4cyl turbo diesel. First the heater core failed, so I pulled that, and I did a bypass to get to the parts store. That failed! It overheated. So I pulled both thermostats and … read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
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It is a school bus and the temp is elevated and I want
it is a school bus and the temp is elevated and I want common solutions … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 2012 international with a maxx force engine. And
I have a 2012 international with a maxx force engine. And it'd Been overheating. I replaced the clutch fan, thermostats and still overheating. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 07 International that is over heating found a
I have a 07 International that is over heating found a radiator hose that was missing a spring replaced that now still overheating … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
07 isx overheating. Replaced the water pump, replaced the
07 isx overheating. Replaced the water pump , replaced the thermostat, replaced the temp sensor , washed radiator with steamer and replaced egr valve as well , and replaced exhaust temp sensor as well… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a688 dump. While driving on ghway or pressure on
Hi Keith I have a*****688 dump. While driving on highway or pressure on engine truck overheats, I pull over or up to light it cools on its on. Heat in can blows out but not hot air. Thanks.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 300 turbo diesel in an older motor home. Motor
Have a 300 cumming turbo diesel in an older motor home. Motor gauges show Im overheated especially in hill county (west) When actually I do not believe it is. If it were that hot (redlined) I would ha… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
I HAVE 99 INT.4900 DT466E RUNS GREAT BUT HAS NO POWER, REPLACED
I HAVE 99 INT.4900 DT466E RUNS GREAT BUT HAS NO POWER, REPLACED ICP SENSOR, CHECKED ENNERCOOLER OK , CHECKED TURBO OK, WHAT ELSE COULD IT BE.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 1988 toyota coaster bus 6 cyl diesel it gets hot (115deg)
I have a 1988 toyota coaster bus 6 cyl diesel it gets hot (115deg) going up hills in top gear or long slow risers in roads. I have had the radiator striped and cleaned they could not find any blockage… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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2001 IH 4900 with DT466E engine - just replaced head gasket
2001 IH 4900 with DT466E engine - just replaced head gasket and could only get about 3 gallons of coolant to go in. Ran it for some time but that's all it would take . Heater doesn't give off any heat… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2005 fm1j overheating on pulling up hills I have changed radiator
2005 fm1j overheating on pulling up hills I have changed radiator fan hub thermostat coolant and just rebuilt fuel injectors but still getting hot motor has done 15000 hrs but still goes well… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
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international 4900 series: I have 2 international 4900 series
I have 2 international 4900 series trucks my problem is overheating. The trucks seem to run fine when all of a sudden the temperature spikes the truck looses heat and coolant circulation. I have chang… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
cursor 10 in case ih 8120 combine overheating --- replaced
cursor 10 in case ih 8120 combine overheating --- replaced thermostat but did not fix. fan is turning and moving air; radiator is very clean. overheats in a matter of 100 yards of combining. about 525… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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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