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Related Medium and Heavy Trucks Questions
I have a 2016 Mack pinnacle code for check engine light is
I have a 2016 Mack pinnacle code for check engine light is Spn 5357, 17 trying to figure out what is wrong. Could you please help me with that? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,911 satisfied customers
I have a 2012 cxu mack with the mp8. I have code mid 128
I have a 2012 cxu mack with the mp8. I have code mid 128 psid 89 fmi 5. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
13 Penn Mack cxu will not trun over new starter switch get
13 Penn Mack cxu will not trun over new starter switch get power to starter alt but switch reading 11.5 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
I have a 2012 Mack Pinnacle with an mp8 engine and mdrive
I have a 2012 Mack Pinnacle with an mp8 engine and mdrive automatic transmission. Was wanting to know what transmission could I swap it with that wouldn't be a hassle?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 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
Shop Foreman/Triage Tech
Associates
5,523 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
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
2014 mack pinnacle with a mp8. What is the best way to
2014 mack pinnacle with a mp8 . What is the best way to remove the air compressor … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
How are you I have a 2012 Mack CXU day cab with a Mac mp8
Good morning how are you I have a 2012 Mack CXU day cab with a Mac mp8 engine and I'm getting a trouble code SID 231 j 1939 data erratic I've attached a picture of the VIN number end of the trouble co… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
Air compressor on my Mack pinnacle 2011 stop building air is
Air compressor on my Mack pinnacle 2011 stop building air is it something I can replace my self if so can you send instructions … read more
Bradey V
Bradey V
Certificate
It has started leaking fuel back out of the head overnight.
It has started leaking fuel back out of the head overnight. It is losing its prime.I was going to replace the check valve on the return line but do not know where it is located. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
I have a Mack 2011 with mp8 it shakes badly when it reach
I have a Mack 2011 with mp8 it shakes badly when it reach above 50 I have change the fuel filter housing and still the same I have to gear down from 10 to 9 speed because the vibration is really bad what can be the possible problwm … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
2014 Mack CXU 613 is not getting fuel after new filter
2014 Mack CXU 613 is not getting fuel after new filter housing and fuel pump. Is there a complete fuel system diagram?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
After having a quacolmm instaled in a Mack CXU with a MP8
Hello,After having a quacolmm instaled in a Mack CXU with a MP8 engine the jake brake and cruise control has quit working. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
I drive a 2011 Mack Pinnacle and the air bags won't dump
I drive a 2011 Mack Pinnacle and the air bags won't dump when I hit the switch … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
2009 Mack CXU 613 with MP8 motor cooling fan remains on
2009 Mack CXU 613 with MP8 motor cooling fan remains on continuously and comes on with no power to the fan and runs when cold or hot and temp only reaches 135 F … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
Fan clutch solenoid valve is constantly leaking air. At
Fan clutch solenoid valve is constantly leaking air. At first only when the key was the on or run position, but since changing the solenoid valve now it leaks constantly.… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
5,523 satisfied customers
I have a 2011 mack has no power from bat but to starter but
I have a 2011 mack has no power from bat but to starter but the frame has 12 volts if u put yr tester to frame it is hot … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
It's my 2015 Mack pinnacle.. it's giving me a 5th wheel
It's my 2015 Mack pinnacle.. it's giving me a 5th wheel slide fault code .. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,911 satisfied customers
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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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