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Related Medium and Heavy Trucks Questions
How to adjust the vales an e7 460 mack engine wed j brakes.
How to adjust the vales an e7 460 mack engine wed j brakes … read more
Mike Mcmillan
Mike Mcmillan
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Associates
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Cooling fan wont disengage 2002 mack. 2002 mack rd688s e7
Cooling fan wont disengage 2002 mack JA: What's the make/model/year of your truck? Engine type? Customer: 2002 mack rd688s e7 inline 6 JA: Are you fixing your truck yourself? What have you tried so fa… read more
Mike Mcmillan
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I have an 1998 Mack rd688s. The top half of my fuse Doesn't
I have an 1998 Mack rd688s. The top half of my fuse Doesn't have any power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Well its an 01 mack rd688s triaxle dump. sometimes make
well its an 01 mack rd688s triaxle dump. sometimes make 19psi sometimes makes 24psi. no rhyme or reason.has codes with a vague definition on the launch code reader. … read more
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Mike Mcmillan
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I have a broken crankshaft in my E6 4V 350hp finding parts
hi I have a broken crankshaft in my E6 4V 350hp finding parts is proving to be difficult what difference is there in the footprint of the E6 engine against the E7 engine there are quiet a lot of e7's … read more
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Daniel Wilson
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I have a Mack 12 speed transmission and it will not split
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Daniel Wilson
Daniel Wilson
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1993 Mack e7 300 engine looses fuel prime to first filter
1993 Mack e7 300 engine looses fuel prime to first filter have replaced lift pump, spring was brke in old pump but still loosing fuel to first filter … read more
Mike Mcmillan
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I have a 95 mack ch613 e7 350 engine i change the clutch it
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Wayne
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It's been sitting up and won't start. New fuel and filters
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Mike Mcmillan
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Don't have a power. Mack RD688S ,1998 and E7 engine. I am
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Mike Mcmillan
Mike Mcmillan
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Where is the fuel return shut off on an E7 98 model Mack. It
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Curtis B.
Curtis B.
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Bought a 98 Mack rd688s e7 class 8 250 hp dump truck from a
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Jeremy
Jeremy
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I am working on a 2000 Mack rd688s with an e7 350. I am getting
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Jeremy
Jeremy
Certified Truck/Bus Technician
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I have a 2001 mack rd688s with a 8LL transmission and 400 motor.
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Daniel Wilson
Daniel Wilson
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Can you help me with the engines Mack produced and the
Can you help me with the engines Mack produced and the differences in them also how to distinguish the difference . Like the E7 to the MP series etc. The date range I would be looking for is from the … read more
Jeremy
Jeremy
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i have a 1995 mack dumptruck with the vin number 1M2P267C9VM029858
i have a 1995 mack dumptruck with the vin number 1M2P267C9VM029858 MODEL NUMBER RD588S the owner had fuel issues with it and yesterday it just stopped working the injection pump voltage is looking lik… read more
Daniel Wilson
Daniel Wilson
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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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i have a 99 mack with a e7-400 engine in it and when rolling
i have a 99 mack with a e7-400 engine in it and when rolling the engine over it has a popping coming back threw the intake. now it came in doing the same thing and we found that we had a problem with … read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Chris (aka-Moose)

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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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