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I have a 2013 mack pinnacle cxu613. I having a starting
I have a 2013 mack pinnacle cxu613. I having a starting issue. Occasionally, I turn the key to crank the truck up and it does not turn over. What might be the issue with the truck?… read more
Ramon Capellan
Ramon Capellan
owner / operator
Auto Mechanics
26 satisfied customers
Got a 2012 Mack chu613 getting fuel in oil Did cups 10
Got a 2012 Mack chu613 getting fuel in oil Did cups 10 months ago Have no air bubbles in return *****************… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
2013 pinnacle mp8 mack with 315000 miles on it runs for 30
2013 pinnacle mp8 mack with 315000 miles on it runs for 30 miles ish and then starts missing you can shut it off wait appx 15 minutes it will run great for another 20 miles and then back to the missin… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2012 mack pinnacle with a mack mp8 engine. I have
I have a 2012 mack pinnacle with a mack mp8 engine. I have no check engine lights on. I see rpms. The fuel bowl has fuel. It cranks and coughs, but no fire. Runs on ether. No bubbles in the fuel bowl … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Truck won't go over 40mph even with pedal to the floor.
Truck won't go over 40mph even with pedal to the floor … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
Mack 2012 ran out of diesel. Pinnacle 2012 mack. I fulled up
Mack 2012 ran out of diesel JA: What's the make/model/year of your truck? Engine type? Customer: Pinnacle 2012 mack JA: Are you fixing your truck yourself? What have you tried so far? Customer: I full… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
641 satisfied customers
I have a 2009 mack chu613 with an mp8 engine. The unit shut
I have a 2009 mack chu613 with an mp8 engine. The unit shut off and won't fire. It was cranking previously, but now it wont even crank. Please advise… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2012 Mack mp8, fuel filter base/housing has a manual pump to
2012 Mack mp8, fuel filter base/housing has a manual pump to fill filters manually, that manual pump will not stay in … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
2007 Mack Chu613 M8 We are getting a couple of codes coming
2007 Mack Chu613 M8 We are getting a couple of codes coming up on the truck and would like to know what they are.… read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
213 satisfied customers
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and the connected for the fan side control clutch ripped off. I need to know how to rewire without buying the entire assembly. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
My 2015 Mack won't turn over. I have dash lights but starter
my 2015 Mack won't turn over. I have dash lights but starter won't engage. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
2005 mack ch613 seems to have dropped the fuel. How do you
2005 mack ch613 seems to have dropped the fuel. How do you prime it? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
When truck is pulling a heavy load at 1000 to 1200 rpm it
When truck is pulling a heavy load at 1000 to 1200 rpm it shakes and vibrates until it gets above 1400 rpm. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
Temperature dropped now it won't start. 2012 mack pinnacle.
Temperature dropped now it won't start JA: What's the make/model/year of your truck? Engine type? Customer: 2012 mack pinnacle JA: Are you fixing your truck yourself? What have you tried so far? Custo… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
My Mack truck Chn isn't turning over and when it did start
My Mack truck Chn isn't turning over and when it did start it was with starting fluid. It ran but I let it die because it was macking a podding sound. I changed both filters and drain out the injector… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
I need the specs for a mack cylinder balance test. What is
I need the specs for a mack cylinder balance test. What is normal % range for each cylinder... allowable tolerances etc can anyone get me this info?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
607 satisfied customers
Where i the low air warning buzzer located on a 2009 chu613
where i the low air warning buzzer located on a 2009 chu613 mack … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2005 Mack CX Vision. If it sits any longer than an afternoon
2005 Mack CX Vision. If it sits any longer than an afternoon it won't start. Rolls over fine but no fire. A little ether and starts and runs fine, no problem. Changed fuel filter but didn't help. Mich… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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Wayne

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

Jeremy

Jeremy

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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

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cumminsdr

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Chris (aka-Moose)

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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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