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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
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I have a Peterbilt 337 with a PX 6 engine. Vin is 8m768805.
I have a Peterbilt 337 with a PX 6 engine. Vin is 8m768805. With are having a low power problem. We had a code for a turbo actuator. we replaced the actuator. code came back. we replaced the turbo. Co… read more
Roy Belding
Roy Belding
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Cooling fan wont disengage 2002 mack. 2002 mack rd688s e7
Cooling fan wont disengage 2002 mack JA: What's the make/model/year of your truck? Engine type? Customer: 2002 mack rd688s e7 inline 6 JA: Are you fixing your truck yourself? What have you tried so fa… read more
Mike Mcmillan
Mike Mcmillan
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How to adjust valves and engine brake. 2007 mack. Tes just
How to adjust valves and engine brake JA: What's the make/model/year of your truck? Engine type? Customer: 2007 mack JA: Are you fixing your truck yourself? What have you tried so far? Customer: Tes j… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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There I have an 1982 mack garbage truck here, vin is
hey there I have an 1982 mack garbage truck here, vin is ***************** it has the E6 mack engine 2 valve. I am looking to see if anyone can help me with the overhead procedure and the lash specs f… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm setting the valves on a 1998 Mack engine e7. How do I
I'm setting the valves on a 1998 Mack engine e7. How do I determine the intake rocker arm from the exhaust rocker arm. The ports seem to be dead center of the valves.… read more
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Mike Mcmillan
Triage Tech/Shop Foreman
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Was looking for rod and main brg plus head tourqe. E7 400.
Yes rebuilding for a customer. Doing an inframe ive got one liner in and putting that piston in # 3 hole. Wanting to put all piston in then do main brgs … read more
Mike Mcmillan
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How to do valve lash adjustment on a Mack 460 e7 etech? And
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Mike Mcmillan
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I am looking at a past post, there are pictures that go
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Daniel Wilson
Daniel Wilson
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Are 1992 and 1998 e7 350 hp turbochargers interchangeable?
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Wayne
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Where is the fuel return shut off on an E7 98 model Mack. It
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Curtis B.
Curtis B.
Technician
Associate Degree
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I have a 1998 mack e7 engine that after i set valve lash and
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Daniel Wilson
Daniel Wilson
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Im trying to set the valve lash on a AMI 370 mack engine.Ive
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Wayne
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Need to know how to set the valves on a 2003 Mack E7 and all
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Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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
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Vocational, Technical or Trade Scho
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I am working on a mack aset ac475 that broke a roller on #6
I am working on a mack aset ac475 that broke a roller on #6 exhaust lifter. Due to damage caused to the cam, it and all lifters were replaced. I reassembled the engine and now will not fire. I have ve… read more
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Daniel Wilson
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Which mechanical engine R Model Mack Truck?New venture:
Which mechanical engine R Model Mack Truck? New venture: I am looking to purchase a good, used daycab tractor to pull chip and/or log trailers in SE Virginia. I am really considering an '80s vintage R… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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need to do a overhead adjustment done it before on a cummins
need to do a overhead adjustment done it before on a cummins but not sure on the mack engine… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 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

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14,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

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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

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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

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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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