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I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up
I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up sometimes and not its blowing cold air for about 10min then starts blowing hot air … read more
Eurotruck72
Eurotruck72
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1999 Sterling dump truck. A/C problems. A/c blows cold then
1999 Sterling dump truck. A/C problems. A/c blows cold then start blowing hot. gotta turn off and wait a minute then turn it back in then it blow cold again … read more
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Andy
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Vocational, Technical or Trade School
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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
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I have a 2000 kenworth T800. Yesterday an employee was
I have a 2000 kenworth T800. Yesterday an employee was driving 65 mph on a four lane highway. He said the motor started to pull down when he looked in the mirror smoke was coming from the brakes. He p… read more
Wayne
Wayne
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I've got a over heating problem on a 3406ein a hard pull,
I've got a over heating problem on a 3406ein a hard pull, I've changed the radiator, waterpump, cat temp sensor, rebuilt the fan clutch, and also rebuilt the engine last year at witch time I changed t… read more
Cat Man
Cat Man
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I just purchased an International 7400 dump truck from an auction
I just purchased an International 7400 dump truck from an auction site. I drove the truck home 7 hrs yesterday seemingly with no engine problems. The oil pressure was +/- 40 and the water temp was +/-… read more
spankyjr1
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I drive a 2006 International 7500 series dump truck with the
I drive a 2006 International 7500 series dump truck with the DT570 engine in it. It has developed an overheating problem but only does so on a long hard pull such as loaded pulling a hill. The engine … read more
spankyjr1
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Freightliner fl 112 is overheating changed thermostat changed
Freightliner fl 112 is overheating changed thermostat changed coolant fan seems to be blowing fast from moment I turn truck on but doesn't seem to be cooling engine down… read more
Roy
Roy
shop foreman
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I have a 2013 T800 ISX 525hp Dump Truck. When i am loaded and
I have a 2013 T800 ISX 525hp Dump Truck. When i am loaded and take off at the bottom of a 6% grade the truck twice has gone up to 235 to 240 the red engine light came on the 1st time and shut the truc… read more
Andy
Andy
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I have a Cummins ISX 2008 model, it has started blowing coolant out the overflow. The cool
I have a Cummins ISX 2008 model, it has started blowing coolant out the overflow. The coolant tank is a two part tank, you have the operating side that feeds the cooling system and then you have the o… read more
Andy
Andy
truck /coach technician
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04 Mack Truck that is overheat and blows coolant on the right
04 Mack Truck that is overheat and blows coolant on the right side and shutting down under load on highway? Start it back up right away runs ok if you don't get hard into it.… read more
Jeremy
Jeremy
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Answers from Two Experts requested: 2008 Fleetwood Discovery motorhome with Cummins 6.3ISL
2008 Fleetwood Discovery motorhome with Cummins 6.3ISL; has about 20k miles now. Have pulled a 6T trailer for years without any trouble relative to coolant temp, all of a sudden any hill I have to cli… read more
Don
Don
fleet superintendent
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Have a 04 BSX 707820 miles on truck, 85000 on inframe , getting
Have a 04 BSX 707820 miles on truck, 85000 on inframe , getting air in coolent overflow , topped up coolent once , pushed out coolent but levelled out at bottom of sight glass , truck don't run hot , … read more
Cat Man
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Ive got a newly rebuilt c-15, The oil pressure goes beyond
I've got a newly rebuilt c-15, The oil pressure goes beyond what the pressure gauge will show witch is 85 psi. Also when i kill the truck the pressure gauge stays at or over 60 psi for quite a while. … read more
Cat Man
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I have a 2008 volvo with a ISX cummins. the cooling system
I have a 2008 volvo with a ISX cummins. the cooling system is creating a vavvum and sucks the top radiator hose together give me some ideas where to look… read more
spankyjr1
spankyjr1
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2006 Diesel 2500 Megacab Had radiator, water pump, thermostat,and
2006 Diesel 2500 Megacab Had radiator, water pump, thermostat,and fan clutch replaced after truck overheated. Turned out the fan clutch was the problem, but Firestone had already talked me into replac… read more
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I have a 1997 L10 in a Volvo truck and it gets hot at highway
I have a 1997 L10 in a Volvo truck and it gets hot at highway speeds only? we put in a switch so we can turn on the fan manualy as soon as we start the truck, which has been working , but all of a sud… read more
Cat Man
Cat Man
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g,day .I have CHR MACK VMAC2 having trouble with the viscus
g,day .I have CHR MACK VMAC2 having trouble with the viscus fan hub the orignal one is in all the time brought a new one it wont engage at all only when you first start it i,ve flushed radiator etc re… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,211 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

7,211 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 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

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 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.

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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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