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2007 Volvo 780 vn12 Eaton fuller auto. Driving normal and
2007 Volvo 780 vn12 Eaton fuller auto. Driving normal and just shut down. Let sit overnight and it starts. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
Truck will "randomly" start running choppy/rough with low
truck will "randomly" start running choppy/rough with low power... I will shut the truck down let it sit for 10 minutes start it back up and the problem is cleared and the truck is running normal agai… read more
Wayne
Wayne
Journeyman
11,548 satisfied customers
06 volvo 670 loses power and slows down to a crawl after
06 volvo 670 loses power and slows down to a crawl after about 15 to 20 minutes of driving … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
I have a 2003 volvo with a D12 engine I have a problem with
HI , I have a 2003 volvo with a D12 engine I have a problem with oil coming out of the front crankcase breather tube , the truck has two breather tubes one in the front and one on the valve cover the … read more
Wayne
Wayne
Journeyman
11,548 satisfied customers
I have 2004 volvo vn d12 i have exhaust brake issues. at
hi i have 2004 volvo vn d12 i have exhaust brake issues. at idle after 5 min. the engine starts to choke it self out then come back to idle over and over. i hooked up ptt and found that exhaust brake … read more
Doug Barnowski
Doug Barnowski
HD truck tech
14 satisfied customers
2007 volvo D12 my turn signals do not work, only four
2007 volvo D12 my turn signals do not work, only four flashers … read more
Doug Barnowski
Doug Barnowski
HD truck tech
14 satisfied customers
I have the following Code on a 2005 Volvo with D12. MID 128
I have the following Code on a 2005 Volvo with D12. MID 128 PID 94 FMI 7 Truck doesn't start it does turns over but it sounds like the fuel pump is done. Can someone clear this code up for me?… read more
Wayne
Wayne
Journeyman
11,548 satisfied customers
I have a volvo trucks vnlwith d12 engine and i started
Hello,my name is***** have a volvo trucks vnl(###) ###-####with d12 engine and i started changing thermostat by my self because it was leaking antifreez. I opened everything cleaned the thermostat hou… read more
dieseldan55
dieseldan55
Contractor
Vocational, Technical or Trade Scho
74 satisfied customers
i have a 2002 volvo VHD truck will not start i have code #128
i have a 2002 volvo VHD truck will not start i have code #128 001 5 sid up to 128 006 5 sid i installed a new fuel pump had very low fuel pressure now pressure is fine but still wont start and retripp… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,176 satisfied customers
changed engine harness on 2005 Volvo D12. now truck will not
changed engine harness on 2005 Volvo D12. now truck will not start. shows code of MID 128 PID 175 FMI 5. I don't have software for volvo… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Hi Wayne, I am looking at adding another truck to small fleet.
Hi Wayne, I am looking at adding another truck to small fleet. Considering a 2006 Volvo with an ISX450 engine. I have a 2007 Columbia with a Detroit 60 that has been a little quirky. Other trucks bein… read more
Wayne
Wayne
Journeyman
11,548 satisfied customers
hello I converted a 1997 Volvo autocar that had a d12 in it,
hello I converted a 1997 Volvo autocar that had a d12 in it, took it out and replaced it with a 2001 Detroit 60 series, I need the pin out for both trucks to match the pins so it will run… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
J1587 communication error with vehicle ecu keeps popping up
J1587 communication error with vehicle ecu keeps popping up in display window and truck won't start. The truck is a volvo 670 with a d12 engine… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have 2005 Columbia with D12 engine. After replacing ECM last
I have 2005 Columbia with D12 engine. After replacing ECM last may, it loses power uphill claiming... Getting over slight hill I have to use 6 or 7th gear and speed drops down to 20 to 30 mph. after E… read more
Wayne
Wayne
Journeyman
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Volvo: I have a 1997 Volvo Highway tractor semi with a VE D12
I have a 1997 Volvo Highway tractor semi with a VE D12 425 motor. Engine shuts down when engine temp reaches 180F. Check engine light comes on first. Diagnostic code indicates faulty coolant temp sens… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Hello all, We have a volvo vnl64t with a D12 engine that
Hello all, We have a volvo vnl64t with a D12 engine that keeps blowing the engine management fuse and loses power, any ideas??… read more
dieseldan55
dieseldan55
Contractor
Vocational, Technical or Trade Scho
74 satisfied customers
I have a 2002 volvo class 8 truck with 630,000 miles we did
I have a 2002 volvo class 8 truck with 630,000 miles we did a normal service and found metal on the drain plug. I hired a mechanic to do a inframe and bought a rebuild kit and 6 piston coolers from Cu… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2006 Volvo VNL630 that I use to tow a large 5th wheel
I have a 2006 Volvo VNL630 that I use to tow a large 5th wheel RV. It has a Volvo D12 engine, and a auto-shift 12 speed tranny. It also has a two stage exhaust brake. Stage one works fine, stage two d… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

7,176 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

11,548 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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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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