Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
Are cranks in a e7 400. Mack truck and a 350 mack the same
Are cranks in a e7 400. Mack truck and a 350 mack the same stroke … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
2007 INTERNATIONAL 4300 WITH HYDRAULIC BRAKES. THE BRAKE
2007 INTERNATIONAL 4300 WITH HYDRAULIC BRAKES. THE BRAKE FLUID LIGHT COMES ON AND OFF ABS LIGHT STAYS ON AND BRAKE PRESSURE LIGHT STAYS ON BUT BRAKES WORKS FINE … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a international truck, 2004 4000 series dt530e. I
I have a international truck , 2004 4000 series dt530e. I keep getting a code for the hvac system that I don't understand.the code is spn:613-fmi:(14) special instructions -count:1byte 7:1 byte 8:8. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have a 2003 international 4300 with a dt466 hvac code
have a 2003 international 4300 with a dt466 hvac code spn613; fmi 14 7:1 8:6 test procedures… read more
Joe Green
Joe Green
71 satisfied customers
SPN-613 14 System Diagnostic Code #3. 2006 International
SPN-613 14 System Diagnostic Code #3 JA: Have you seen this error before with the same vehicle? Customer: no JA: What's the make, model, and year of your car? Customer: 2006 International 4300 JA: Is … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2001 mack ch 613 the gear on the accessory drive
i have a 2001 mack ch 613 the gear on the accessory drive for the oil pump has moved over causing oil preasure loss. is there a set screw holding it in place.if not how do i repair … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Im trying to find a trouble shooting code for Rack Position
Im trying to find a trouble shooting code for Rack Position Sensor -Voltage above normal or shorted to high SID 24, FMI 3 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
2000 CH 613 / E7 WITH 6 UNIT PUMPS. ONLY BARELY RUNS ON
2000 CH 613 / E7 WITH 6 UNIT PUMPS . ONLY BARELY RUNS ON STARTING FLUID … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
My Dad has a 00 Mack Ch E7 it keeps derating and keeps
My Dad has a 00 Mack Ch E7 it keeps derating and keeps showing multiple codes have replaced several sensors but hasn't helped it runs fine sometimes … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2005 mack chn 613 it cant get over 50 mph, it just
i have a 2005 mack chn 613 it cant get over 50 mph, it just has no power in the upper end. It pulls fine in lower gears but when i gt up to 6th high and low it just wont go up a hill on the highway, i… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
Well its an 01 mack rd688s triaxle dump. sometimes make
well its an 01 mack rd688s triaxle dump. sometimes make 19psi sometimes makes 24psi. no rhyme or reason.has codes with a vague definition on the launch code reader. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
I have a truck in the shop that we have changed the
I have a truck in the shop that we have changed the thermistors on and we have evacuated and filled the system with the correct amount of Freon. to fill the system we had to jumper the clutch to make … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9. 2010
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
Have codes 625-14p, 613-14a, 612-14p. 2003 international
yes, I charged the ac system, replaced HVAC door actuator … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,613 satisfied customers
2000 Mack e7-350, no fan clutch output, fault code 4-2. 2000
2000 Mack e7-350, no fan clutch output, fault code 4-2. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I am working on a 2000 Mack rd688s with an e7 350. I am getting
I am working on a 2000 Mack rd688s with an e7 350. I am getting a Sid 231 fmi 8 and a sid 250 fmi 8. I have found that the tps is bad. Will this give me these codes? It runs but won't rev up.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
98 mack ch613 with a Mack E7. Truck won't get out of its own
98 mack ch613 with a Mack E7. Truck won't get out of its own way when on the highway. Hooked up to it and its not showing boost pressure. Can't find the boost pressure sensor. the only active code I h… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Hi, we have a mack truck ch 613 e7 engine with the following
Hi, we have a mack truck ch 613 e7 engine with the following problem. While driving the truck after an hour the electrical mal function light goes on and the engine loses power suddenly. we just turn … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 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

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x