Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Can you tell me what is this codes o my 2011 Mack prelude
Can you tell me what is this codes o my 2011 Mack prelude cxu613 codes MID 144 , psid 34 , fmi 4 … read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
On a 2000 FLD120, how do I know which amperage of relay to
On a 2000 FLD120, how do I know which amperage of relay to install in each slot under the dash? Do the relay amps need to match their breaker amps? Looking at replacing all relays.… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
Working on a 2011 mp7 mack and was needing to know part
working on a 2011 mp7 mack and was needing to know part number to def line to back of head on driver rear under the fuel line… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
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2007 mack GU713 MP7. Mack / gu713/2007/ mp7. Ppid 330 fmi 4
Yes I'm fixing it looking at fuses but don't know which fuse… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2009 Mack GU713, 1M2AX09C09M007285. This is a dump truck
2009 Mack GU713, 1M2AX09C09M007285. This is a dump truck with only one maxi brake valve in the dash. It has no trolley brake valve. I need to install an air system to operate trailer air brakes. Do no… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Wayne back to the Mack r686, I just finsihed taking of the
HI wayne back to the Mack r686, I just finsihed taking of the thrust bearing on the crank and it looks really good. I removed all the caps and there is some wear but nothing that is cause for concern.… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
Got a 2009 mack gu713 when it gets hot and you shut it off
got a 2009 mack gu713 when it gets hot and you shut it off will crack for every and not start again only when hot not building fuel pressure let sit for awhile and cool off starts right back up … read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
MY ATC AND ABS AND LIGHTNING BOLT LIGHTS ARE ONE WITH NO
MY ATC AND ABS AND LIGHTNING BOLT LIGHTS ARE ONE WITH NO CODES … read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
Mack 97 ms3, daytime running lights won't shut off.
Mack 97 ms3, daytime running lights won't shut off. SOMETIMES, the headlights will go off when I set the park brake. Never the tail lights. Always stay on. I've been disconnecting the batteries at nig… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
2007 mack day cab is shaking bad in the front end, tried
2007 mack day cab is shaking bad in the front end, tried everything balance and rotate front tires, same with the back, checked drive line, the load leveler, back bushings, etc and can't find anything… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
I have atruck. Automatic Allison transmission. 65k tandem
I have a*****truck. Automatic Allison transmission. 65k tandem rear axles. On my furthest axles to the back, i am seeing some oil on the inner most rim, and i need someone who has good knowledge about… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
Wayne, this truck went from bad coolant temperature
Hi wayne, this truck went from bad coolant temperature sensor to bad evaporator core. To get the evaporator is the bottom part of the HVAC assembly separates from the top part? or do I need to take th… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
2010 mack gu713. I don't have electrical info or nothing at
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Wayne
Wayne
Journeyman
15,167 satisfied customers
1993 white gmc (basically volvo) dash worked fine one day next
1993 white gmc (basically volvo) dash worked fine one day next day speedo, tach,voltmeter dont work and dash lights dont work when headlights on. Dash lights work when key on backwards.Seaat belt ligh… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
Need wiring diagram for 2011 Thermo King Tripac. Have older
Need wiring diagram for 2011 Thermo King Tripac. Have older installation manual, but on 2011 unit all wires connects separate. Also need info for installing Arctic Switch.… read more
Wayne
Wayne
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Hello, we are a water well drilling business located in southern
Hello, we are a water well drilling business located in southern New Jersey and are in the process of purchasing a new drill rig and have options on trucks. We will need a tanden full screw truck with… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
I was trouble shooting headlight switch and pop the speedometer
I was trouble shooting headlight switch and pop the speedometer went out and a few other symptoms. I have searched for a blown fuse but no luck yet. Are there any fuses behind the gauges that I may ha… read more
Wayne
Wayne
Journeyman
15,167 satisfied customers
2000 volvo tractor electrical issue the dash quit no gauges
2000 volvo tractor electrical issue the dash quit no gauges work happened suddenly just quit shut the motor off next morning started truck no gauges except for air pressure because it has air lines di… read more
Wayne
Wayne
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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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