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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
Steven
Steven
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Associates
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Mack e7 sputters/ misses when you let it idle than take off.
mack e7 sputters/ misses when you let it idle than take off. it clears out normally by the first shift or two and runs out normal … read more
Daniel Wilson
Daniel Wilson
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Headlights are locked on. have to disconnect the battery to
headlights are locked on. have to disconnect the battery to turn them off … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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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I have a 03 Mack E7 427 engine it runs hot with thermostats
I have a 03 Mack E7 427 engine it runs hot with thermostats in you can take them out and it does not get above 160 degrees empty soon as you put thermostats back in it starts running hot what could be… read more
Wayne
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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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I have a E7 427 mack with elec fuel pedale, it run rough and
i have a E7 427 mack with elec fuel pedale, it run rough and smoke white and blue , injector seem fine advance timming selenoide had a broken Oring … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1998 mack e7 engine that after i set valve lash and
i have a 1998 mack e7 engine that after i set valve lash and i rotate engine i have excessive valve lash on the intake valves. engine has always had a clatter. just replaced the cam/cam gear and cam f… read more
Daniel Wilson
Daniel Wilson
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I have a 2002 Mack with the E7 Engine. I have a bad
I have a 2002 Mack with the E7 Engine. I have a bad Injector. How do I remove and replace it?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,058 satisfied customers
My name is ***** ***** the problem I'm having is is the code
Hi my name is ***** ***** the problem I'm having is is the code 577 cylinder number 7 ba***** *****mit exceeded … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,058 satisfied customers
I'm having issues with my turbo not always spoiling on
Dan I'm having issues with my turbo not always spoiling on my Mack and I'm leaning towards the egr sticking since i have recently changed the cooler I don't think that is the problem as I have read on… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,058 satisfied customers
I need the rod and main bearing torque specs 2007 e7 427
i need the rod and main bearing torque specs for a 2007 e7 427 engine and also the valve adjustment sequence with a jake brake. all for thew same engine… read more
Daniel Wilson
Daniel Wilson
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I have a 2000 Mack CL713 with an E7 460. It has a chirp
Hi I have a 2000 Mack CL713 with an E7 460. It has a chirp sound, our mechanics have taken of the valve cover and when pressure is applied to the number 4 rocker the sound goes away, we are not pushin… read more
Jeremy
Jeremy
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we have a Mack E7 460 that has a bad cam and roller do
hello we have a Mack E7 460 that has a bad cam and roller do I have to pull head I know the lifters comes out the bottom but I have read something about a h clip that is up top that you have to pull t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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.I have an 8.3 6cta cummins. I'm trying to get the injection pump off. I think the
Hi.I have an 8.3 6cta cummins. I'm trying to get the injection pump off. I think the timing pin snapped but I have pump timed. Do I have to take front cover off motor to remove?..if not, can I just ta… read more
cumminsdr
cumminsdr
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High School or GED
1,351 satisfied customers
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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mack ch613: 1999 mack model ch613 427 e7 diesel engine.wiped
1999 mack model ch613 427 e7 diesel engine.wiped a camlobe can I remove the lifters without removing the heads?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
i have 1994 mack with e7 454 driving it cuts out i have to
i have 1994 mack with e7 454 driving it cuts out i have to turn key off and on several times to get it going sometimes it runs all day without a problem other days constant problems anybody got a clue… read more
Al-Moderator
Al-Moderator
High School or GED
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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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