Medium and Heavy Trucks

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I have a 1996 DDec 3 12.7 Detroit Diesel which smokes like
Pearl I have a 1996 DDec 3 12.7 Detroit Diesel which smokes like crazy in cold temps an I was talking to Pittsburgh Power an they were saying it smokes because it might have 15.0-1 low compression pis… read more
Zachary Thomas
Zachary Thomas
Have a question about a series 60 Detroit in a 1991
Have a question about a series 60 Detroit in a 1991 Peterbilt … read more
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Mike Mcmillan
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Associates
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09 freightliner detroit motor ecu 128, sid 155, fail 00 and
09 freightliner detroit motor ecu 128, sid 155, fail 00 and ecu 128, sid 332 fail 14 … read more
Jeremy
Jeremy
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Associate Degree
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Just did an out of frame overhaul on a 1993 Detroit 60
Just did an out of frame overhaul on a 1993 Detroit 60 Series DDEC 2. It will not start. I have ohmed out the injector harness. Have 4 power and 2 ground going to ECM. The ECM injector terminals with … read more
Bradey V
Bradey V
Certificate
Conversion. 6v92 Detroit that wont start. Ran great last
Conversion. 6v92 Detroit that wont start. Ran great last November but died when shifting into drive.(there was a jerk when shifting into drive because of fast idle). It has not started since. 2 new ba… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I keep getting codes # 33 39 41 43 52 what are my problems.
I keep getting codes # 33 39 41 43 52 what are my problems … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Ddec 2 10 psi on turbo, what do you suggest replacing with?
Ddec 2 10 psi on turbo, what do you suggest replacing with? Rated 425 hp 450 with cruise, or would it be better to swap for the ddec 4 using the harness and parts, when we do the overhaul in a few mon… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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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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2000 ISM400 turbo #35000163. Suddenly developed enough crankcase
2000 ISM400 turbo #35000163. Suddenly developed enough crankcase pressure to blow dip stick out. Slobber tube is clear and has a lot of air pressure coming out but no smoke or oil. I unhooked turbo ai… read more
cumminsdr
cumminsdr
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High School or GED
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I have a 94 western star 4964 fx with s 405 HP Detroit diesel
I have a 94 western star 4964 fx with s 405 HP Detroit diesel motor. I just swapped the engine for one(same) from a ford l9000 now it turns over but won't start I kept the old wireing loom and ecu but… read more
Andy
Andy
truck /coach technician
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1978 Detroit diesel 8v71. Coolant in exhaust. No coolant in
1978 Detroit diesel 8v71. Coolant in exhaust. No coolant in oil. Familiar with diesel engines, but never worked on one of these. Wondering where to start looking first. Head gasket?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
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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.
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Associate Degree
1,571 satisfied customers
Hi Wayne. I'm getting ready to buy a tiller ladder truck in Alaba
Hi Wayne. I'm getting ready to buy a tiller ladder truck in Alabama and drive it back to Arizona. In talking to the owner I found out it has a 8v71 in it. I googled the motor and found out it was a 2 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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8v71 in coach, ran for 2500 miles to find out it has a coolant
8v71 in coach, ran for 2500 miles to find out it has a coolant leak. Motor runs strong, drained oil pan to find several gallons of antifreeze. I want to know if I should spend the money to fix the lea… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Have a 2000 Bounder Diesel, ISB 275HP...Live in Colorado, a
Have a 2000 Bounder Diesel, ISB 275HP...Live in Colorado, a lot of MT. upgrades and down grades. Slobber tube, dispensing a lot more oil than necessary. (All over the back end and car) Had to add a co… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
420 satisfied customers
MCI MCI: Dteroit diesel 8v92. Has an oil leak behind the auxiliray
Dteroit diesel 8v92. Has an oil leak behind the auxiliray drive pulley. I was able to reove the pully, but cannot get the plate behind it out. It has 2 bolts, and it moves about 1/4 inch away from the… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Hello, we have an inline Detroit Diesel series 671 engine.
Hello, we have an inline Detroit Diesel series 671 engine. We did an inframe overhaul. Reman blower installed also.Problem: at operating temp and full throttle oil is coming out the breather box bolte… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 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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