Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
My engine is not getting signal to fire up no power to the
My engine is not getting signal to fire up no power to the computer … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
How do you adjust the valves on a e tech mack with a jake
how do you adjust the valves on a e tech mack with a jake brake? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
Cv 713 ran fine shut it off will not start. 05 mack cv713.
cv 713 ran fine shut it off will not start JA: What's the make/model/year of your truck? Engine type? Customer: 05 mack cv713 JA: Are you fixing your truck yourself? What have you tried so far? Custom… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
My Mack 2012 mp8. Is runs then the speedometer drops to 0rmp
My Mack 2012 mp8. Is runs then the speedometer drops to 0rmp And won't accelerate. Will go to limp mode i think Till I cut the engine and. Will run for a little bit will do it again.Change the speed s… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
Where is the fuel transfer pump located on an MP8 425E Mack
Where is the fuel transfer pump located on an MP8 425E Mack engine ? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
Need cyl head torque specs for 2001 e-7 427 mack. Mack ch613
need cyl head torque specs for 2001 e-7 427 mack JA: What's the make/model/year of your truck? Engine type? Customer: mack ch613 2001 engine E-7 427 JA: Are you fixing your truck yourself? What have y… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
2011 mack GU-713 temperature system lock out active problem.
2011 mack GU-713 temperature system lock out active problem … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
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
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
Need a diagram of fuse positions and what they are for..1998
need a diagram of fuse positions and what they are for..1998 Mack rd690 E-7 … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
How can I tell if my fan clutch is working right on a mack
How can I tell if my fan clutch is working right on a mack mp8 engine 2009 … read more
Expert
Expert
7,463 satisfied customers
I have a c7 elect. mack truck and lately i notice Diesel in
HI .I have a c7 elect. mack truck and lately i notice Diesel in the coolant reservoir and falling out when the trucking is running. Can you help me with the cause?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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
Certified Truck/Bus Technician
Associate Degree
4,361 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
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2003 MACK MDL DM6906S ENGINE AMI300 VIN 1M2B209C53M029583
2003 MACK MDL DM6906S ENGINE AMI300 VIN 1M2B209C53M029583 PLEASE HELP WITH A PHOTO OR DIAGRAM OF THE FRONT GEAR TIMING.… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
I need to push eng. coolant back to a trailer for intransit
I need to push eng. coolant back to a trailer for intransit heat. What is the location of the best coolant pres. port and the best port to return the coolant to on the Mack E7 eng? This is in a 07 Mac… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
Week ago my 2003 mack engine light came on (looks like a
week ago my 2003 mack engine light came on (looks like a bolt of lightning), acceleration decreases specially under power. every time light came on it won't accelerate as a use to. yesterday after sit… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
I drive a 2005 Mack concrete mixer I do not know the engine
I drive a 2005 Mack concrete mixer I do not know the engine size.The problem is after taking off and shift to next gear I can put my foot flat on the floor and count to three before you feel it start … read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
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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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