Medium and Heavy Trucks

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I have a 1987 MCI bus with a DD 6V92 DDEC motor. I would
I have a 1987 MCI bus with a DD 6V92 DDEC motor. I would like to get a little more HP without damaging the motor or reducing the life. It is converted to an RV so I probably run less then 200 hours a … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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We think we didn't install my flywheel correctly on my MXS
We think we didn't install my flywheel correctly on my MXS c15- how do we visually find TDC on #1 without pulling the injector? We're running the overhead … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Bus engine is frozen. Mci 1986. We are on the road traveling
We are on the road traveling with a church group model102-A3 … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
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I have a 89 MCI 102 A3 bus, air pressure goes to 90 PSI or
I have a 89 MCI 102 A3 bus, air pressure goes to 90 PSI or 100, move very slowly to 110 it wont go to 125 PSL, I replaced the foot valve, still the same, can you help? … read more
Curtis B.
Curtis B.
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I'm travelling in a 1993 MCI 12 bus with 6V92 which seems to
Hello, I'm travelling in a 1993 MCI 12 bus with 6V92 which seems to have lost turbo power... … read more
Curtis B.
Curtis B.
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I have a 1987 MCI bus. I need to have it towed it's not
I need to have it towed it's not running I've disconnected the drive line how do I release the airbrakes … read more
Curtis B.
Curtis B.
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I have a 1954 gmc bus 4104 it a switch for the air bags man
i have a 1954 gmc bus 4104 it a switch for the air bags man or highway it works on man but not highway i canot find a part # or a name on it can you help … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
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Do you have experience working on MCI buses. Its a 1995 MCI
Hello Hello do you have experience working on MCI buses … read more
Daniel Wilson
Daniel Wilson
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1 AM LOOKING FOR PARTS FOR 97 MCI BUS EL3 PART NO 16-06-1010
HI;1 AM LOOKING FOR PARTS FOR 97 MCI BUS EL3 PART NO 16-06-1010 LH COIL FOR EVAPORATOR … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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How much aluminum weight is inside of a MCI 1985 bus in
How much aluminum weight is inside of a MCI 1985 bus in stainless steel … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
2011 MCI J4500 Motor Coach EPA 10 Cummins ISX with Allison
2011 MCI J4500 Motor Coach EPA 10 Cummins ISX with Allison B 500 transmission. Bus pops check engine light and check transmission light. Bus defaults to 2nd gear. Allison dealer is not having any luck… read more
Pete
Pete
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General auto certifications
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I have a question on a 1993 MCI Conversion Bus about if MCI
Hi I have a question on a 1993 MCI Conversion Bus about if MCI makes a hitch for it? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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I have a turbine intake tempeture hight making the vehicle
I have a turbine intake tempeture hight making the vehicle loose power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,971 satisfied customers
1998 MCI (motor coach) DL-3 No blower so no A/C (or heat but
1998 MCI (motor coach) DL-3 No blower so no A/C (or heat but who cares about that right now). Driver's blower works. Passengers does not.… read more
Jeremy
Jeremy
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Associate Degree
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I changed the generator (50DN alternator on MCI DL3 bus) and
I changed the generator (50DN alternator on MCI DL3 bus) and the voltage regulator because the NOT GEN light was on. NOT GEN light stays off now but the voltage is reading 25.5 instead of 27.7V. I sta… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
two years ago a small vibration started in my truck over the
two years ago a small vibration started in my truck over the next two years the vibration got very bad, then I blow the first clutch. in 6 months I have put 4 clutches in it and they only last for 400… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I need to know the closest place to Paris, TN (between Nashville
I need to know the closest place to Paris, TN (between Nashville and Memphis) that can charge the centering cylinder on the tag axle steering of an MCI Motor Coach.… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
I have a 1993 MCI bus with a Detroit Diesel, the motor turns
I have a 1993 MCI bus with a Detroit Diesel, the motor turns over but will not fire and run. It has mechanical shut down by a solenoid that when key turn back past center shuts engine off. I think I h… read more
Curtis B.
Curtis B.
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32,726 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,971 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

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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.

dieseldan55

dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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