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2008 GU8 Mack with MP7 engine It will start right up after
2008 GU8 Mack with MP7 engine It will start right up after it sits out in the cold for two day. Take it out and drive it up to temp, park it and shut it down for a few minutes and it cranks for 30 sec… read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,973 satisfied customers
I need to know the procedure and torque specs to replace
I need to know the procedure and torque specs to replace injectors on a 2009 Mack mp7. On the same engine I need the overhead set procedure and valve lash specs … read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
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Replace clutch housing on a mack mdrive transmission how do
Replace clutch housing on a mack mdrive transmission how do the seal go in, it was broken off? … read more
Mike
Mike
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Replace clutch housing on a mack mdrive transmission how do
Replace clutch housing on a mack mdrive transmission how do the seal go in, it was broken off? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have another Mack mp7 question. I have a garbage truck in
I have another Mack mp7 question. I have a garbage truck in here now, it came in with a low power complaint. Basically it would barely pull its self. Dropped the fuel filters diesel fuel looked like l… read more
Mike
Mike
Shop Foreman/Triage Tech
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2,973 satisfied customers
What is the valve clearance and injector clearance for the
What is the valve clearance and injector clearance for the mp7 Volvo engine 2008 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
2006 mack ,mp7 engine. 2007 mack,mp7. 2007 mack,mp7. black
2007 mack,mp7. black smoke only when shifting.do not smoke when idling.there is no air leak turbo is ok no oil visible.on the exhaust manifold there is a small amount of oil coming out. … read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,973 satisfied customers
I just bought am 08 Mack with the MP7 engine this past
Hello, I just bought am 08 Mack with the MP7 engine this past Saturday. Drove it for about two hours and noticed that it started losing power and acted like it was starved for fuel. Put more fuel in i… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2013 mack mru613 with a mp7 engine it has a code
I have a 2013 mack mru613 with a mp7 engine it has a code spn 3490 fmi 12 mack says this is not there code the code description is aftertreatment 1 purge air actuator-bad intelligent device or compone… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have a 2008 MP7 that drains front fuel filter dry at idle,
I have a 2008 MP7 that drains front fuel filter dry at idle, runs fine going down the road. Any ideas? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I'm working on a 2015 MP7, needs # six injector change. can
I'm working on a 2015 MP7, needs # six injector change. can handle the change , however looking for specs, timing marks , injector fuel plunger specs. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
I am trying to install a H4106 Eaton 6 speed transmission on
I am trying to install a H4106 Eaton 6 speed transmission on a 538 Renault in a 1989 Mack Midliner. The transmission bellhousing measures about 18" across and has 10 bolts, it has a pushing clutch wit… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
Got a 2007 mack m7 engine the water filter shut off is
got a 2007 mack m7 engine the water filter shut off is leaking any idea how to get apart and repair mack sent a ring and oring to fix but my tech has no idea how it comes apart … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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11 mack gu 713. message on drivers dash says 5mph derate
11 mack gu 713. message on drivers dash says 5mph derate removed def quality being evaluated … read more
Pete
Pete
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General auto certifications
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I'm working on a 2009 Mack MP7 engine and I need Valve
Hi. I'm working on a 2009 Mack MP7 engine and I need Valve adjustment specs. Can someone help me out?… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
3,693 satisfied customers
I have a mack mp7 that i need to remove the harmonic balancer.
I have a mack mp7 that i need to remove the harmonic balancer. Do i need any special tools for this?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
Cant get air system to pressure up..no leaks new governor.
Can't get air system to pressure up..no leaks new governor. .I'm able to hold air pressure back with thumb at air compressor… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
205 satisfied customers
I have two 2009 Macks with an MP7 motor one the fan clutch
I have two 2009 Mack's with an MP7 motor one the fan clutch wont kick on and the other it wont shut off. The one that wont turn on I replaced temp sensor and clutch. The fan clutch will turn on only w… read more
diesel-tech
diesel-tech
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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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