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
How to adjust the vales an e7 460 mack engine wed j brakes.
How to adjust the vales an e7 460 mack engine wed j brakes … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Working on a 2007 ami 370 mack engine and was needing to
working on a 2007 ami 370 mack engine and was needing to know if there was a special tool to pull out the h rings that are on top of the cam lifters and if there was whats it look like… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Working on 2007 ami 370 mack and was needing to know which
working on 2007 ami 370 mack and was needing to know which direction the lock rings on cam rollers under the head face ,which side is up… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Cylinder 4 is missing. Replaced injector and unit pump. If
Cylinder 4 is missing. Replaced injector and unit pump. If you crack line at unit pump it's just a flow of fuel not a squirt like other cylinders … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
When adjusting the valves on a e7 460 mack. i rolled it
when adjusting the valves on a e7 460 mack. i rolled it around to 1 and 6 on fly wheel do you adjust both valves at this time. problem i am having is intake valves are still half open… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I just need the cylinder head torque spec sfor e7 355/380
Hi i just need the cylinder head torque spec sfor e7 355/380 motor … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
How do you find top dead center on a mack 460 e7 etech? 2001
How do you find top dead center on a mack 460 e7 etech? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,850 satisfied customers
How to do valve lash adjustment on a Mack 460 e7 etech? And
How to do valve lash adjustment on a Mack 460 e7 etech? And how do you know when its on top dead center?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Mack e7 460 blowing antifreeze back thru reservoir tank cap
Mack e7 460 blowing antifreeze back thru reservoir tank cap new thermostat new top reservoir tank and cap. Engine was overhauled a year ago been doing it since we bought the truck shortly after the ov… read more
Roy Belding
Roy Belding
7,581 satisfied customers
Can you help me with the torque specs bottom end and top end
Hi ,can you help me with the torque specs bottom end and top end for E7-460 mack engine … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Mack CXN613 Vision-The air dryer circuit is not getting
Mack CXN613 Vision-The air dryer circuit is not getting power through it. There's a fuse panel on the firewall containing the fuse for the circuit, but no power there. I need to know where the power f… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2000 Mack that died in the road and will not start.
I have a 2000 Mack that died in the road and will not start. It has been several months since it has run. I've checked fuel pressure, but doesn't start even on ether. I was wondering how you go about … read more
Mark Patrick
Mark Patrick
Certificate
20 satisfied customers
2005-06 ISC or ISL with roller cam followers. Truck came in
2005-06 ISC or ISL with roller cam followers. Truck came in with massive oil leak but was running fine with no noises. Found #1 tappet guide plug with a hole in the center leaking the oil. Took plug o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,850 satisfied customers
I have a 2000 Mack CL713 with an E7 460. It has a chirp
Hi I have a 2000 Mack CL713 with an E7 460. It has a chirp sound, our mechanics have taken of the valve cover and when pressure is applied to the number 4 rocker the sound goes away, we are not pushin… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I AM WORKING ON A MACK 1999 460 WITH A E7 ENGINE AND WE
I AM WORKING ON A MACK 1999 460 WITH A E7 ENGINE AND WE ARE TRYING TO RUN THE OVERHEAD AND JUST WANT TO MAKE SURE WE ARE DOING IT CORRECT I HAVE DONE PLENTY OF OLDER ONES BUT THIS ONE HAS A TON OF SLA… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
mack ch613: 1999 mack model ch613 427 e7 diesel engine.wiped
1999 mack model ch613 427 e7 diesel engine.wiped a camlobe can I remove the lifters without removing the heads?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
We have a 2003 mack ch613 with an e7 engine that were are working
We have a 2003 mack ch613 with an e7 engine that were are working on. We pulled it apart and renewed the rings. After reassembling the unit we have two injectors not firing. We have removed cleaned an… read more
dieseldoctorkev
dieseldoctorkev
power system tech 1
76 satisfied customers
i have a 99 mack with a e7-400 engine in it and when rolling
i have a 99 mack with a e7-400 engine in it and when rolling the engine over it has a popping coming back threw the intake. now it came in doing the same thing and we found that we had a problem with … read more
Jim
Jim
Diesel tech.
212 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

11,850 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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