Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Working on a 1998 d300e adt when loaded sometimes looses
Working on a 1998 d300e adt when loaded sometimes looses power to trailer driveline in forward direction put in reverse then trailer pulls change back to forward tractor spins adventually the trailer … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,317 satisfied customers
On the rear axle of a 40000 Lb rating we have a set of tires
on the rear axle of a 40000 Lb rating we have a set of tires 40.5 in in height and the other side 41.5 in. the truck only delivers local ! would this affect the crown and pinion? … read more
SeanM
SeanM
Fleet Maintenance Manager
High School Diploma
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Loosing brake fluid on 436B cat. Dont have ser# model 436B
loosing brake fluid on 436B cat JA: What is the complete model and serial number of your machine? Customer: dont have ser# ***** 436B cat JA: Are you fixing this yourself? What have you tried so far? … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
1,317 satisfied customers
I have an 07 vnl780 with an ISX. I recently, out of the blue
I have an 07 vnl780 with an ISX. I recently, out of the blue started having trouble being legal on my steer axle weight. Spec weight is 10900 lbs (bobtail). My steer axle weight is 11700 lbs with tank… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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When running after a couple hundred miles my isx started
When running after a couple hundred miles my isx started throwing get white smoke thru the exhaust as of its regenerating but it doesn't stop unless I stop and force gen, and recently I got the egr de… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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1999 international 4700 T444E, VIN XH 213550 need some
1999 international 4700 T444E, VIN XH 213550 need some advice for removal of 2 leaky transmission lines.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2001 Freightliner Classic XL with 60 series detroit
I have a 2001 Freightliner Classic XL with 60 series detroit 14 liter. It has fuel in fuel filters but won't crank unless I shoot started fluid to it. Then if I don't keep rpms up to at least 10 it wi… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,758 satisfied customers
G'day... 1998 GMC 6500 with a 3116 - cranks, unit will not
G'day... 1998 GMC 6500 with a 3116 - cranks, unit will not start - ongoing problem for some time. I know it will not start when the check engine and intake heater light do not come on. This is intermi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I have a 2013 Freightliner Cascadia with the DD15. Just
I have a 2013 Freightliner Cascadia with the DD15. Just recently it has started to stall while going down the road and then will immediately run again. It looses power to all of the lights and engine.… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
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I have A 2006 Kenworth with a C15 Cat engine. I am loosing a
I have A 2006 Kenworth with a C15 Cat engine. I am loosing a lot of coolant appx three gallons on a 8 hour day it seems to slowly get worse. The coolant is coming out of the hose by the rad cap I have… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I've been dealing with this problem longest. I've replaced
Hello there. I've been dealing with this problem for the longest. I've replaced lots of sensors. My problem started after I made a flash on my computer and about a week later replaced my computer beca… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I'm considering to convert FORD E-350 Super Duty box truck
I'm considering to convert FORD E-350 Super Duty box truck (Year 2000, 20,000 mileage) to a food truck, while Step Van is usually used truck. I understand that the floor height from ground of the box … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
yes I have a 2011 QSB with no codes will not start. have 350
yes I have a 2011 QSB with no codes will not start. have 350 rmp while cranking 7500 lbs of fuel pressure cranking. no air in fuel system. engine start of a spit second then dies. if you continue to c… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
I have a problem with the bill I got from a Freightliner Service
I have a problem with the bill I got from a Freightliner Service Dealer. I tried to look up standard pricing for parts and labor to no avail. Normally I get quotes and the final result is less. This t… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I Have a 2008 International 4300 Maxxforce it was useing
I Have a 2008 International 4300 Maxxforce it was useing colliant but couldnt see a leak, but could hear a small hissing on passanger front, after shut off (could be air from air brakes) but yestarday… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
if I have a broken axle can I remove the broken section that
if I have a broken axle can I remove the broken section that engages the diff. bolt it back up to seal the axle. then lock my power divider and finish the haul until repair can be made.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Need advice on good used s/a medium-duty road tractor
Need advice on good used s/a medium-duty road tractor: I need help in setting up an Over-the-Road hotshot rig; a good used medium-duty road tractor to pull a stepdeck or lowboy-type flatbed trailer ra… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
western star tractor 4964fx: 2000 western star 4964fx tractor
2000 western star 4964fx tractor 46000 rears 18 speed has a vibration new general front tires 1124 filings on the front rear end plug shifts ok but makes a noise universals all tight drive lines ok sh… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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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