Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Im trying to find a trouble shooting code for Rack Position
Im trying to find a trouble shooting code for Rack Position Sensor -Voltage above normal or shorted to high SID 24, FMI 3 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
415 satisfied customers
2000 mack e7 350 change front head piston liners rod
2000 mack e7 350 change front head piston liners rod bearings truck smoks alot … read more
Mike Mcmillan
Mike Mcmillan
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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
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415 satisfied customers
I just need the cylinder head torque spec sfor e7 355/380
Hi i just need the cylinder head torque spec sfor e7 355/380 motor … read more
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I have a 98 mach ch and keeps harming the heads sorry my
hi I have a 98 mach ch and keeps harming the heads sorry my english is not technical I have replaced 3 in two years and after a while it starts to build preassure in the coolant and when I take the he… read more
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Are 1992 and 1998 e7 350 hp turbochargers interchangeable?
are 1992 and 1998 e7 350 hp turbochargers interchangeable? … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Where is the fuel return shut off on an E7 98 model Mack. It
Where is the fuel return shut off on an E7 98 model Mack. It won't keep a prime. … read more
Curtis B.
Curtis B.
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Associate Degree
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I have a E7 427 mack with elec fuel pedale, it run rough and
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Daniel Wilson
Daniel Wilson
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We got a 2003 mack ch613 that tje dealer just put a new
We got a 2003 mack ch613 that tje dealer just put a new turbo on and it wont build over 22 psi of boost has no loos or busted hoses or pipes that we can tell been over it with soap and water thanx in … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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I have a 99 mack the came into my shop missing on cylinder
I have a 99 mack the came into my shop missing on cylinder number 5 after it warms up replaced injector and unit on that cylinder and is still the same thing will miss after it gets hot check the volt… read more
Jeremy
Jeremy
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I have a***** Oil was going in the water, and I changed
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Jeremy
Jeremy
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Wayne
Wayne
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Can you help me with the engines Mack produced and the
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Jeremy
Jeremy
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Associate Degree
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I just buy 2002 mack vision cx613 e7 460 coming home with
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Wayne
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How do you change bosch fuel injection pump on mack e7 427
How do you change bosch fuel injection pump on mack e7 427 . One of mine is leaking but still runs good. Paul… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I have a 1997 mack truck it has a e7-350 engine it starts fine
I have a 1997 mack truck it has a e7-350 engine it starts fine after a short time a yellow light comes on malfunction electronic comes on low idle runs good when I speed up it starts to miss and smoke… read more
Wayne
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I have a 1998 Mack E7 427 that we have just installed a new
I have a 1998 Mack E7 427 that we have just installed a new clutch into today. We have lined everything up and went by the book but the clutch fork will not go over the throw out bering? We are about … read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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We have a 2003 mack ch613 with an e7 engine that were are working
We have a 2003 mack ch613 with an e7 engine that were are working on. We pulled it apart and renewed the rings. After reassembling the unit we have two injectors not firing. We have removed cleaned an… read more
dieseldoctorkev
dieseldoctorkev
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

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Cat Engine Expert

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I am ASE Master Truck Certified.

Wayne

Wayne

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14,850 satisfied customers

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

Jeremy

Jeremy

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2,740 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

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Curtis B.

Curtis B.

Technician

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

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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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