Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2001 peterbilt 379 with a 64" sleeper and I cant
I have a 2001 peterbilt 379 with a 64" sleeper and I cant find the issue why my sleeper in the truck does not get power. The only time the power will work is if both the bunk and drivers side door is … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
How are you, My roof lights that works with door opening are
Hey Nich how are you, My roof lights that works with door opening are not working, but they work when I manually turn them on. Where can I find the fuse for this door switch? I include the images belo… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I read an old post of a 2006 Peterbilt 379, I am wondering
Hello - I read an old post of a 2006 Peterbilt 379, I am wondering if you can answer a question. Does this model have an automatic canceling turn signal? As in, when a turn is made(left or right), doe… read more
Andrew G.
Andrew G.
Heavy Truck Mechanic
Heavy Duty Equipment - Truck and Transport Mechanic
4 satisfied customers
579 peterbilt the dome light in cab and sleeper dont work
579 peterbilt the dome light in cab and sleeper dont work niether does any of the power points, radio or refrigurator could this be an lvd problem and where is it located … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 1983 Peterbilt 350 Cummins why does the truck have
I have a 1983 Peterbilt 350 Cummins why does the truck have no power batteries are good … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
Interior lights won't switch off when doors are closed 2014
Interior lights won't switch off when doors are closed 2014 Peterbilt 389 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Hope you're well, I still having problems with my truck ,it
Hi mike hope you're well, I still having problems with my truck ,it works fine for couple hours and the red engine light comes out and shuts off the engine. And if seems like if hit the gas pedal hard… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
593 satisfied customers
I have a 2006 C15 CAT engine in a Peterbilt truck. I put a
I have a 2006 C15 CAT engine in a Peterbilt truck. I put a fuel pressure gauge on it to monitor the fuel pressure. The fuel pressure will go from 70 to 100 pound of pressure. When it reaches 100 pound… read more
Cat Man
Cat Man
Cat Engine Expert
10,344 satisfied customers
2016 Pete 389. Not drawing any fuel from driver side, it
Not drawing any fuel from driver side, it only draws passanger. What is wrong? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
593 satisfied customers
No air flow from defroster vents on 387 peterbilt. 2005
when you switch from dash to defroster for & back you can hear like some door geting closed and air stop flowing from dfroster … read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
130 satisfied customers
What style plug is the connector for diagnostics on a 1992
what style plug is the connector for diagnostics on a 1992 peterbilt with a detriot engine??. i believe ddec 2... its a rectangle plug not a round plug like newer trucks... i need to see what its call… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
I have a 2013 peterbilt with an mx-13. Check engine light
I have a 2013 peterbilt with an mx-13. Check engine light comes on and the display says 2 things : EGR delta pressure DPF fuel enable actuator… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a 2010 Peterbilt 387 and the heater will not blow hot
I have a 2010 Peterbilt 387 and the heater will not blow hot in the cab but it works fine in sleeper. Went to bed working fine and woke up to blowing cold. Some suggested it could be a blend door issu… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
When drivers door is opened and closed it will shut off. Do
When drivers door is opened and closed it will shut off . Do you have any ideas of what the problem would be. It is a 387 Peterbilt 2005 has a c15 Cat motor.… read more
Cat Man
Cat Man
Cat Engine Expert
10,344 satisfied customers
I just had complete overhaul done on my 1990 Peterbilt with
I just had complete overhaul done on my 1990 Peterbilt with a cummins engine by a local shop. One of my employees drove the truck everyday with for 3 weeks with a few issues. He had a lost a little bi… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a 2011 337 Peterbilt. Recently when I accelerate "shut
I have a 2011 337 Peterbilt. Recently when I accelerate "shut down engine" appears on the dash and the truck begins to cut off sometimes it shuts completely down and sometimes when I get off the gas i… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
We have a 2005 379 Peterbilt, bunk blower and temp acuator
We have a 2005 379 Peterbilt, bunk blower and temp acuator do not work. there is power there but were told bunk heat switch on dash connects ground wire to bunk controls. i have a ground jumper wire t… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
i am having all kinds of issues with my doors. cab and sleeper.
i am having all kinds of issues with my doors. cab and sleeper. they do not want to latch when i close them. i have put in new handles and have kept them lubed but does not seem to help. i also replac… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,195 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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