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Related Medium and Heavy Trucks Questions
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
4,737 satisfied customers
I have a 2010 mack titan with mp 10 engine the low oil
I have a 2010 mack titan with mp 10 engine the low oil pressure light and buzzer comes on but the oil pressure is good on gauge it then shuts engine down what could it be … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
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I have 2003 Mack E7. Injectoer solenoid bad. Bought new
I have 2003 Mack E7. Injectoer solenoid bad. Bought new injector pump with solenoid. Whats the del about timing it ? … read more
Mike Mcmillan
Mike Mcmillan
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I have 1996 Mack e7 454 engine i have to replace cylinder
i have 1996 Mack e7 454 engine i have to replace cylinder sleeves, the old ones had o-rings on the top this one has no o-rings and they say i'm suppose to use silicone is this right or did the dealer … read more
Mikael
Mikael
Bachelor's Degree
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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
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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
Triage Tech/Shop Foreman
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I have an 1998 Mack rd688s. The top half of my fuse Doesn't
I have an 1998 Mack rd688s. The top half of my fuse Doesn't have any power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I've got a 2006 Cxn Mack. Crank but won't start. Fuel is
I've got a 2006 Cxn Mack. Crank but won't start. Fuel is present … read more
Mike Mcmillan
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I have a broken crankshaft in my E6 4V 350hp finding parts
hi I have a broken crankshaft in my E6 4V 350hp finding parts is proving to be difficult what difference is there in the footprint of the E6 engine against the E7 engine there are quiet a lot of e7's … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Mack 12 speed transmission and it will not split
Hi I have a Mack 12 speed transmission and it will not split into high air just comes out of the exhaust port. I've gone through the air lines and changed the air filter for the trans everything is go… 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
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Mike Mcmillan
Mike Mcmillan
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How to do valve lash adjustment on a Mack 460 e7 etech? And
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I saw the answer about the under powered Mack engines CH635
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Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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95 Mack no power to injectorv pump. Bypassed ran power t
95 Mack no power to injectorv pump. Bypassed ran power t fuel shut off unit starts but at 3500 rpm. Could fuel controller be bad. How can I be sure cost 2800… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
What software does Mack and Volvo use to work on trucks from
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Jeremy
Jeremy
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I am doing acab switch from 1988 mack midliner c300 with cab
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Wayne
Wayne
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Vocational, Technical or Trade Scho
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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
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hello, I have been reading your answers, and I am happy with
Hello, I have been reading your answers, and I am happy with your correspondence with customers. I have a 93 Mack E7 Mechanical engine that developed low oil pressure shortly after replacing a cylinde… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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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

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

4,361 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

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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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