Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2006 freightliner think fl70 with c7 cat. Had a/c
Hello, I have a 2006 freightliner think fl70 with c7 cat. Had a/c compressor and drier replaced, but engine fan doesn't cycle with a/c on. … read more
Bradey V
Bradey V
Certificate
I have a 2008 Kenworth Dump Truck, The A/c keeps shutting
Good Day, I have a 2008 Kenworth Dump Truck, The A/c keeps shutting off. It would work fine in the morning but after running for a few it would shut off. The A/c light just blinks. I have asked this q… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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2008 t-800 wipers only have high speed. Tested at motor 12v
2008 t-800 wipers only have high speed. Tested at motor 12v to two wires when set on slow speed. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Working on an 06 KW W900L. It has an MXS57110 C-15. 1048000
Good day, Working on an 06 KW W900L. It has an MXS57110 C-15.(###) ###-####miles all original until today. Driver got an alarm to shut the truck down due to low oil pressure. Dash gauge said 20 psi at… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Steve, I have a Kenworth T600 and as I turn the a/c on it
Hello Steve, I have a Kenworth T600 and as I turn the a/c on it works fine but there are days I try to turn it on and the fan won't come on and later on it will magically come on. I guess I have a fau… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I'm still having issues with my AC system. The a/c keeps
Good Day I'm still having issues with my AC system. The a/c keeps coming on and off whenever it feels like. I've attached a video showing all the a/c lights just flashing when it shuts down. The A/C s… read more
Roy Belding
Roy Belding
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Air conditioning issues. 2001 kenworth t 800 caterpillar
I don't know what to try not my truck but if I wait for company mechanics it will be winter … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Check engine light been coming on here recently deraiting th
Check engine light been coming on here recently deraiting th e motor pull over shut it off turn it back on and be good for a while may be a day or the next day started a few months ago no big deal now… read more
Roy Belding
Roy Belding
7,602 satisfied customers
I have a 2006 Kenworth T 800 with a cat C-13 The truck is
I have a 2006 Kenworth T 800 with a cat C-13 The truck is having issues where is randomly shutting down sometimes one time a day sometimes three times a morning... it has been to cat three times the r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Howdy, have a 2003 Kenworth with a CAT C-15 engine. Gelling
Howdy, have a 2003 Kenworth with a CAT C-15 engine. Gelling a few days back so pumped fuel out of tanks, added about 50 gals of #1 but guess it doesn't transfer across between tanks, so sucked air in.… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Just have a question about the code 42 speed sensor! On a
Hello. Just have a question about the code 42 speed sensor! On a c-15 acert cat. Getting smoke and poor proformance … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have two questions, first one is my Jake brake won't shut
I have two questions, first one is my Jake brake won't shut off it is on the steering wheel, on a w900 kenworth with a c-15 cat, also when I am in the lower set of gears my rpms seem to have a rev lim… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a 2008 Kenworth C15, it started a 3min regen cycle
I have a 2008 Kenworth C15, it started a 3min regen cycle and kept asking for more regen but would not regen. It then started the level 4, running only in 60 second intravels before shutting engine do… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Have Horton engine fan on k108 kenworth running a Cummings
Have Horton engine fan on k108 kenworth running a Cummings isx erg motor up graded from single speed to two speed Problem is when fan engages once it gets back to normal operating temp it will not shu… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
I have a 2005 Kenworth T800 with a c-15 cat engine. Truck is
I have a 2005 Kenworth T800 with a c-15 cat engine. Truck is overheating, the fan won't kick in and once I switch the fan to manual, the temperature stays high and doesn't drop. I replaced both thermo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
have a 02 kenworth t800 with cat c 15. the engine fans stays
have a 02 kenworth t800 with cat c 15. the engine fans stays on all the time. replaced the switch and also tried a new clutch assembly on the fan and it still stays on.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a 2001 w900 kw with a c15 475h cat engine. The problem
I have a 2001 w900 kw with a c15 475h cat engine. The problem I'm having is that the fan runs practically all the time. When it does shut off it only stays off for about 10 to 15 seconds and then come… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
My friends truck got som problems. Truck is a -94 Kenworth
My friends truck got som problems. Truck is a -94 Kenworth W900L. Engine is Detroit Serie 60. Engine runs good on idle for several hours, but when we start driving on the road, engine stops. Then we h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 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

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I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

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Curtis B.

Curtis B.

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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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