Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
We have a 2016 Cascadia, DD15, 474000 miles. Smell of
We have a 2016 Cascadia, DD15, 474000 miles. Smell of burning antifreeze, not sweet smell in the cab while the heat is on or vents open. Rear cabin heater core burst while on a mountain under heavy load, and was bypassed. Front heater core begin leaking next, and was replaced. Radiator cap began to seep. Obviously, we have excess pressure in the system. One box required replacement, and EGR cooler was "burned through", and hence, replaced at dealer as well. In less than 8k miles, the problem is apparent again. Smell is heavy in the cabin with the vent open. Mild smell while in A/C mode. Engine power seems to fluctuate, and rumbles loudly under load now. Was quite before this trouble. Also, economy drops dramatically. … read more
Expert
Expert
7,223 satisfied customers
Well we are back that c7 we have changed the regulator did
well we are back that c7 we have changed the regulator did not see anything with the other one. We have changed the engine speed sensor check for fuel blockage have not found ant problem. It still doe… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
Can not get water temp over 150 even after replacing
can not get water temp over 150 even after replacing thermostat twice by two different shops can this cause rings not to seal on fresh overhaul barely gets to 160 with heavy loads on upgrades even on … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
It rattles when i accelerate on throttle when driving. It's
It rattles when i accelerate on throttle when driving … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,932 satisfied customers
I'm working on a 2006 International 7600, vin# 6j288177.
I'm working on a 2006 International 7600, vin# ***** Truck will quit pulling when under strain in 8th gear. Eaton 8LL transmission. Something is jumping out of engagement it feels like. Definitely not… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
4300 international started and runs but has low power. Had
4300 international started and runs but has low power. Had to replace idm, idm wire harness #6 injector runs don't skip no codes low power and smoking… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have an '05 Winnebago Journey 39k with Freightliner
I have an '05 Winnebago Journey 39k with Freightliner chassis and 350hp Cat C7. It is blowing coolant out the reservoir tank overflow while running normal temps. Over time, once coolant level goes low… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
2004 IH 4300 DT466, 1HTMKAAM15H102867. Truck ran great, good
2004 IH 4300 DT466, 1HTMKAAM15H102867. Truck ran great, good power, but would smoke very bad when cooling down and idling. There would be a noticeable change in the tone of the idle, as it cooled down… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,932 satisfied customers
I have a 12.7 detroit in a 2016 glider and from the intake
i have a 12.7 detroit in a 2016 glider and from the intake line to the air drier has oil in it. i checked the inyake piping from turbo to manifold all dry i took the outlet line off the compressor and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,932 satisfied customers
Cascadia with DD15 last 6 of VIN AS4674. We did DPF cleaning
Hi. Cascadia with DD15 last 6 of VIN AS4674. We did DPF cleaning yesterday and oil change. Today my driver got a load, went few miles down the road and engine stopped. Was a lot of blue smoke coming o… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
I got this freightliner columbia 2009 with s60 dpf getting
hello i got this freightliner columbia 2009 with s60 dpf getting code for egr flow too high and dpf outlet temp high changed dpf outlet temp sensor and egr valve new and ok applied parked regen the ab… read more
Expert
Expert
7,223 satisfied customers
I drive a 2004 Freightliner Century S/T with 1,300,000 *****
I drive a 2004 Freightliner Century S/T with 1,300,000 ***** *****. Engine had an inframe except for Pistons and the turbo is new too. Truck is very slow when pulling a load uphill. Also the truck is … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
2009 freightliner Coronado. Randomly looses air, can't hear
2009 freightliner Coronado. Randomly looses air, can't hear any leaks. Put a new govenor and dryer filter on. Once it drops to 80 it will rebuild. Sometimes it doesn't rebuild and have to shut truck o… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
I have a 2002 Freightliner Columbia with the Detroit 60
hi, I have a 2002 Freightliner Columbia with the Detroit 60 series im on my 3rd turbo in 2 weeks.. about 1000 miles. turbo is leaking oil and blowing oil threw the exhaust… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
HelloI have a 2002 Frtlnr with a 12.7 Detroit Our oil temp
Hello I have a 2002 Frtlnr with a 12.7 Detroit Our oil temp is staying steady at 240-250deg Pulling hills its bumping 300. We are thinking clogged oil cooler?? Oil cooler thermostat?? Please & Thank y… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
I have a freightliner with Detroit 60, 12.7, and it seems the
I have a freightliner with Detroit 60, 12.7, and it seems the misfiring and a lot of smoke at low rpm (between 15 and 35 rpm) would not stop after I changed the fuel pump. Right after I changed the pu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,932 satisfied customers
Have a 6nz fuel return very hot put second new pump as well
Have a 6nz fuel return very hot put second new pump as well as bypass and regulator valves new filter housing fuel lines diverted valve on return wiring harnesses ECM to head and inside new injectors … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
freightliner coroando: I have 2007 freightliner Coronado dd15
I have 2007 freightliner Coronado dd15 egr no dfp or filter. two problems poor fuel millage 3.5 to 4.24? . also check engine light goes on and off all the time under hard pulls comes on if I let up on… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
10,932 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

10,932 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,171 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,893 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,738 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

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All types of Cummins applications

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

311 satisfied customers

16 years of experience

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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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