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Related Medium and Heavy Trucks Questions
My Mack cxu 613 is saying check fuel filter. It is also
My Mack cxu 613 is saying check fuel filter. It is also sputtering and occasionally the speed decreases … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
533 satisfied customers
I have alot of play in my steering column,does this mean
hello,i have alot of play in my steering column,does this mean replacement of the shaft or box? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
533 satisfied customers
My 2008 Mack is showing fuel restrictions and running
My 2008 Mack is showing fuel restrictions and running poorly … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
I have a 2011 Mack mp8 I change fuel pump filter housing and
Hi I have a 2011 Mack mp8 I change fuel pump filter housing and when I picking up speed it's slow down and ask to check the filter? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
533 satisfied customers
2014 mack Pinnacle MP8 engine truck cranks over but will not
2014 mack Pinnacle MP8 engine truck cranks over but will not start unless the throttle pedal is quickly pumped, and it still takes several attempts.truck will start normally if running, shut down and … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
533 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
Triage Tech/Shop Foreman
Associates
533 satisfied customers
2009 Mack GU713 with a MP8-425M Hard start when sits
Second opinion] 2009 Mack GU713 with a MP8-425M Hard start when sits overnight cranks over then shuts off … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
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
Triage Tech/Shop Foreman
Associates
533 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
Triage Tech/Shop Foreman
Associates
533 satisfied customers
It's been sitting up and won't start. New fuel and filters
It's been sitting up and won't start. New fuel and filters but having a fuel problem … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
533 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
Triage Tech/Shop Foreman
Associates
533 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
13,575 satisfied customers
I've got a 3126 motor in chevy c6500 that's sat for probably
I've got a 3126 motor in chevy c6500 that's sat for probably 8 months, just recently got running pulled up to house and shut it off, came back to start and just turned over. Tried cranking for a while… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
I have a 2007 Cat C7 acert and I'm wondering if it has a
Hi, I have a 2007 Cat C7 acert and I'm wondering if it has a fuel transfer pump in the tank or somewhere else.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
Wayne spoke with you yesterday about this mack I am working
Wayne spoke with you yesterday about this mack I am working on when it gets hot it will not start- I installed the one way check valve in-line to inlet suction side of the filter head and that didn't … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
i have a 2001 isuzu ftr 7.8l diesel that will not start
i have a 2001 isuzu ftr 7.8l diesel that will not start after cutting off. Engine will start off of ether. changed fuel filters… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,575 satisfied customers
3406e won't prime. No fuel getting to fuel filters. Hand primer
3406e won't prime. No fuel getting to fuel filters. Hand primer doesn't get hard and was replaced at beginning of the year.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
Have a peterbilt truck with a 3406e engine. I changed a fuel
Have a peterbilt truck with a 3406e engine. I changed a fuel tank and the truck ran for about 5 minutes then it quit and we cannot get it started.. The new tank was empty when we started it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

13,575 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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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