Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Do u have diesel mechanics? 1986 8.2 detroit diesel, chevy
do u have diesel mechanics? JA: How old is the engine? And when was it last serviced? Customer: 1986 8.2 detroit diesel JA: What is the make/model of your '86 car? Customer: chevy c70 medium duty its … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have an 8.2 Detroit diesel in a boat that is having a
I have an 8.2 Detroit diesel in a boat that is having a severe hunting problem. It has the electronic governor. I've had a mechanic that worked on these motors for years but never ones with the electr… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Moose I have a isb 6.7 cummins engine in my motorhome I
Moose I have a isb 6.7 cummins engine in my motorhome I would like to know the proper oil and fuel filters to be using? pleases give me the fleetguard #s for these items … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
8.2 liter Detroit diesel. Installed in a tree bucket truck
8.2 liter Detroit diesel. Installed in a tree bucket truck 1980 Ford. Allison AT 515 Engine was reman from Detroit 15 yrs ago. Low power. Can not get the truck to move faster than 45 mph (it would go … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I am chasing a steering assist cylinder for my Mitsubishi
I am chasing a steering assist cylinder for my Mitsubishi Fuso model MM515H 10 metre wider body motorhome 6.9 litre turbo diesel a can send photos of cylinder required regards kriss … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 8.2 liter detroit and i have oil in the coolant
i have a 8.2 liter detroit and i have oil in the coolant system. i changed the oil cooler but still have the same problem. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Leaking diesel into the motor oil. 1985 Ford 800 bucket
Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks and shortcuts.Customer: thank you… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a 1990 Chevy C70 medium duty truck w/112,000 miles on
I have a 1990 Chevy C70 medium duty truck w/112,000 miles on it. It normally runs around 50-70 PSI oil pressure. For the last 5,00, or so, miles the pressure gauge drops down to 20-25 PSI and stays th… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
On a 2007 freightliner classic with the Mercedes over
On a 2007 freightliner classic with the Mercedes over Detroit block I have just had a inframe rebuild on engine but still loss of power. Turbo doesn't seem to be working rite at a idel turbo psi gauge… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Cummins 300 diesel engine loses power Full service 700miles
Cummins 300 diesel engine loses power Full service 700miles ago. Went 350 miles and lost power on hills, down to first gear and then engine died. Several times. Replaced fuel filter and went great for… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
What is the recommended lub oil 8.2 liter Detroit diesel
what is the recommended lub oil for a 8.2 liter Detroit diesel engine that is almost 30 years old?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
My name is ***** ***** and I am looking part number harmonic
My name is ***** ***** and I am looking part number for a harmonic balancer for 1987 Bus. The white label on the valve cover says Engine Family HGM08.2DABX and Model V8-8.2 … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
DIESEL MECHANIC 14.0 L , HESITATION AND LOSS OF POWER
HESITATION AND LOSS OF POWER WHILE RUNNING ON THE HIGHWAY , IT HAPPEN ALL OF A SUDDEN THEN I RELEASE FUEL AND FUEL AGAIN IT FEELS LIKE NO FUEL PEDAL WORKING, BUT SOME TIMES IT DOES GO BACK AND WORK, WHEN I DRIVE AND LETS SAY I AM USING THE CRUISE CONTROL IT START LOSS POWER/ PICK UP POWER ON THE ROW AND SHAKING, I DID CHANGE TURBO, EGR SO FAR DONT KNOW WHAT TO DO , OH YEAH WHEN IT CHOKES ON THE HIGHWAY THE ENGINE LIGHT COMES ON, BUT WHEN LET GO OFF THE FUEL THE LIGHT GOES OFF, WHEN FUEL AGAIN IT COMES ON, AND SO ON, BUT AFTER A LITTLE WHILE ILL BE ABLE TO PICKUP SPEED AND GO, ITS BAD ON INCLINES START DIE FAST , … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
My truck won't start I'm sure it's a fuel problem the Temps
My truck won't start I'm sure it's a fuel problem the Temps here are 15 to 24 below zero it was fine and idling I moved it set the brakes and it acted like it was running out of fuel so I changed the … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Joe I'm Ali I've been thinking of doing a motor swap in
Hi Joe I'm Ali I've been thinking of doing a motor swap in my pick up truck it's a chevy3500 single wheel but I'm not sure whether to go with a cat3208 turbo or a Detroit 6v53 which will I be able to … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Andy, wife, me, and dogs stuck at a truck stop N of Mexico
Andy, wife, me, and dogs stuck at a truck stop N of Mexico City, Mexico. We have a motorhome on a Workhorse W22 with a Maxxforce 7. Yesterday started whining upon exceleration and got louder and worse… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
can you give me a fuel filter location, for the detroit 638,
can you give me a fuel filter location, for the detroit 638, does it have more then one? I'm going to go look at the truck over the weekend, I understand mechanics of the engines, just not diesel, but… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 370 HP Cummins Turbo diesel engine in my 40 ft motorhome
I have a 370 HP Cummins Turbo diesel engine in my 40 ft motorhome and having trouble with low power output. Other symptoms are low turbo pressure. Suspect either (or both) clogged air filter or clogge… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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Daniel Wilson

Daniel Wilson

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Wayne

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

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

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Curtis B.

Curtis B.

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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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