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I have 2003 Mack Mr E tech that trouble codes are coming up
I have 2003 Mack Mr E tech that trouble codes are coming up inactive with zero count. Fan clutch low output but fan clutch is viscous type manual with no wires or airlines connected to it or anything … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2006 Mack chn613 no headlights or lights. No power going to
the lights will work from the flash to pass and DRL relay… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
When I turn the turn signal on the reverse indicator on the
when I turn the turn signal on the reverse indicator on the dash flashes the third axle goes on and off and the lights are working backwards. replaced turn signal asembly and it still doing the same t… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
I have a 2007 mack MR with E 7 engine. Just bought. When
I have a 2007 mack MR with E 7 engine. Just bought. When driving I hear a loud engine boost come on at Times, like either a fan clutch engage except 10 times louder or turbo boost maybe under load loa… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and
I had a fan belt break on my 2008 Mack CHU613 Pinnacle and the connected for the fan side control clutch ripped off. I need to know how to rewire without buying the entire assembly. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
2006 mack ***************** model CHN613 6640 Looking for
2006 mack ***************** model CHN613 6640Looking for full wiring diagram and fusebox layout… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
2006 mack... Looking for part number for fuse panel lid.
2006 mack... Looking for part number for fuse panel lid.Also looking for procedure to replace blower motor… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
I was on here earlier. Got a 2006 Mack won't start. 2006
I was on here earlier. Got a 2006 Mack won't start. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Will door off CH613 fit CVB713. Mack CV713 2007 what other
Mack CV713 2007 what other Mack model door will fit this model … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
Engine fan wont kick up to high speed on an 05 mack vision
Engine fan wont kick up to high speed on an 05 mack vision think theres 5 wires going to fan hub red has 12 volts green has about 6 volts rest are 0 trying to figure out if hub clutch is bad or sensor… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
I have a 2005 Mack CHN613 VIN: *****************. The truck
I have a 2005 Mack CHN613 VIN: *****************. The truck has very very limited power. I have 3 active code as follows, SID 269 FMI 7, SID 27 FMI 5, and SID 146 FMI 5. When driving and watching the … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
Air clutch will not engage. 2007 frightliner m2 engine model
yes i am. I have found no air going to clutch so far is this free?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2009 Mack CXU 613 with MP8 motor cooling fan remains on
2009 Mack CXU 613 with MP8 motor cooling fan remains on continuously and comes on with no power to the fan and runs when cold or hot and temp only reaches 135 F … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,082 satisfied customers
I'm not familiar with Mack engines; looking at a used 2007
I'm not familiar with Mack engines; looking at a used 2007 CHN613 with a 460hp VMAC EECU Motor. Not sure what the VMAC EECU is, or reliabilty - any help would be appreciated. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
2,740 satisfied customers
I need to match up a kenworth´s cab´s ecm with a replacement
hi, i need to match up a kenworth´s cab´s ecm with a replacement cat 3176 engine. even though the last engine in the truck was a 3176, arrangement or serial numbers arent the same, ergo the ecm harnes… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

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

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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

Chris (aka-Moose)

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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