Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I need the information to troubleshoot my pm filter on my
hello. i need the information to troubleshoot my pm filter on my 2007 cat c13 using filter(###) ###-#### i have had some issues with a check engine light that came on my 1999 kenworth t600 when i took… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
20 satisfied customers
Truck runs and drives great once you get it started but if
truck runs and drives great once you get it started but if you turn the key off and go back to start it. It will not crank over. … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
20 satisfied customers
The park light stays lit on the dashboard. I have a 2006
The park light stays lit on the dashboard. I have a 2006 Kenworth. When the primary and secondary tanks are full the light remains on even when I disengage the brake for the tractor. … read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
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2007 freightliner m2 series m2-106 engine is a cat c7 adem
2007 freightliner m2 series m2-106 engine is a cat c7 adem a4/acert epa07 6cyl . Vin number is ***** Brake lights do not work. Cruise control does not shut off with service brake applications. I notic… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I need help with a Kenworth finding the brake pressure
I need help with a Kenworth finding the brake pressure sensor Is their a diagram for future reference … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
20 satisfied customers
Trying to find the air suspension dump valve. The switch
I don't hear any air sounds when I flip the switch like I do when I flip the fifth wheel switch. Also the interaxle switch lights up when I flip the dump air switch.… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
Kenworth T660 ac work ok on idle when on road high rpm it
Kenworth T660 ac work ok on idle when on road high rpm it will not work . So I out truck kn high rpm and found low side line freezing near evaporator and expansion valve the thick line coming from ac … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a freightliner m2-112 vin bw1522 that the air
I have a freightliner m2-112 vin bw1522 that the air suspension won't dump. I put a new switch in the dash, but no luck. The truck has 2 leveling valve at the rear. The dash switch is electric. What a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
Have a 2016 with an air pressure suspension problem. The
Have a 2016 with an air pressure suspension problem. The gauge on the far lower left which shows the 5th wheel. It keeps bouncing above 60psi up to 80psi. When underload with a trailer...does not matt… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
Have a 1994 Volvo, with DDEC II. I need wiring diagram, and
Hello Have a 1994 Volvo, with DDEC II. I need wiring diagram, and any troubleshooting info on jake/cruise you can provide.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a Kenworth T 300 that I am having an issue with some
Customer: Hi There, I have a Kenworth T 300 that I am having an issue with some sort of buzzer going off, and it goes away if I turn on the lights and fan motor. The Alt guage also goes from 13.8 to 1… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
I have this kenworth t600 2007 vin 158581 i need the wiring
hello i have this kenworth t600 2007 vin 158581 i need the wiring diagram and pinout for cab ECU that is mounted under the cup holder… read more
Jeremy
Jeremy
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Associate Degree
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2012 KW T700 ISX Cummins Check engine light came on and on
2012 KW T700 ISX Cummins Check engine light came on and on the diagnostic report it reads "Injector Spill Valve 5" can you help me understand this issue ? Thank You… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
Howdy, is there a way to adjust the ride firmness or
Howdy, is there a way to adjust the ride firmness or softness on the air suspension, my height control valve is set for about 3" of travel between the frame stop and the Ubolt that holds the leaf spri… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Have a 2007 Kenworth T600 with caterpillar engine. What is
Have a 2007 Kenworth T600 with caterpillar engine. What is the freon charge for this truck with sleeper--lbs/oz? Kenworth said 4 lbs even but pressures very high and lines hot. after venting off some … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Hi Ive got a freightliner argosy 2007 with airliner suspension.
Hi Ive got a freightliner argosy 2007 with airliner suspension. One random day the rear air bags just pumped up. Got height control valve replaced but same problem, lowered the valve to original heigh… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
i need help i have 2000 fruehauf 53 dry van trailer and the
i need help i have 2000 fruehauf 53' dry van trailer and the air bags started airing all the way up when i would get unload so i change out the little leveling box and now when i push the red knob in … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
We have a stretched Pete 379 with 3 lift axles and huge dump
We have a stretched Pete 379 with 3 lift axles and huge dump body. After loading with 17 tons of gravel we noticed on an uneven roadway that the unit began to rock back and forth and was scary to oper… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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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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