Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Over heating and running hot recently. New water pump.
New water pump. Thermostats. Radiator. Oil cooler. … read more
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Nich1019
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Vocational, Technical or Trade School
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05 Mack cv 713 will crank but won't start JA: Have you checked the engine's fuel supply? Are the spark plugs, fuel pump, and ignition all working? Customer: Yes. They are working JA: What's the make, … read more
Daniel Wilson
Daniel Wilson
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SPN 3216 FMI 21 AND SPN 3223 FMI 7ON A DD 13. 2015
I HAVEN;T DONE REALLY ANYTHING YET, THINKING ABOUT CHANING NOX SENCOR … read more
Daniel Wilson
Daniel Wilson
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2006 Mack cv 713 granite quad axle dump, box was rebuilt 10
Hi , 2006 Mack cv 713 granite quad axle dump , box was rebuilt 10 months ago along with new lines & res with new filter , replaced power steering pump two weeks ago because when fluid was cold steerin… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2007 Mack CHN 613 with a 427 E7 engine and the
I have a 2007 Mack CHN 613 with a 427 E7 engine and the engine temp is running next to red line under a load, when at rest the temp lowers to normal. The water temperature appears to be running a litt… read more
Bradey V
Bradey V
Certificate
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
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Truck is over heating only on the uphill climb radiator and
Truck is over heating only on the uphill climb radiator and thermostat are not the issue they were replaced over a year ago with no change with issue. Good compression no oil or coolant loss at all … read more
Edward Haniewski
Edward Haniewski
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I have a 99 Peterbilt 379 with a CAT C 12 engine that's over
I have a 99 Peterbilt 379 with a CAT C 12 engine that's over heating. I have replaced EVERYTHING and it continues to over heat only while loaded and going up a hill. Also only during the summer when t… read more
Cat Man
Cat Man
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07 International VT365. Black smoke and code 327, pid 110,
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What should be my maximum operating temp.on a grade with a
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Cat Man
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I have an O7 Freightliner where is a C15 acert twin turbo at
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Cat Man
Cat Man
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Oil temperature is 225 empty and 260 loaded ck light comes
Oil temperature is 225 empty and 260 loaded ck light comes on where's is it located … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2003 379 c15 6nz. My oil tempos at 220 with a new
I have a 2003 379 c15 6nz. My oil tempos at 220 with a new teltek gauge and sensor. My water temp shows around 220-225 when working the motor is working hard. I thought it sounds high. Have new thermo… read more
Cat Man
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2013 DD15 intermitent turbo boost pressure surges. My boost
2013 DD15 intermitent turbo boost pressure surges. My boost pressure will surge 2 to 3 psi intermittently with a corresponding increase in the turbo whine. This seems to only occur when the engine is … read more
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I have a Mack 2003 cv 713 with a 427 engine. I've noticed a
I have a Mack 2003 cv 713 with a 427 engine . I've noticed a decline in my power when I'm taking off from a dead standstill or climbing a hill or bridge it worst when I'm loaded! When it comes to top … read more
Pete
Pete
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I have a 2007 6.0L Powerstroke that I just had "Bullet
I have a 2007 6.0L Powerstroke that I just had "Bullet Proofed". I also had a CTS Edge Insight monitor installed. A am currently pulling a 15K 5th Wheel on fairly level terrain and am experi… read more
James
James
Bachelors degree automotive technology with minor in diesel
3,584 satisfied customers
I have reasonably had an eaton fuller put in my truck ( 2000
I have reasonably had an eaton fuller put in my truck ( 2000 fld120 with a Cummins n14). The transmission model #rt14710b, serial#81437014, with an additional #56a02b04c8500. My question, is this tran… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
420 satisfied customers
Hello, New question about my N14 What can cause the oil temp.
Hello, New question about my N14 What can cause the oil temp. To raise almost to 250 degrees on any small hill or when turbo is boosting with even a light load and in level ground is about 225-235 wat… read more
cumminsdr
cumminsdr
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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cumminsdr

cumminsdr

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Chris (aka-Moose)

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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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