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We have a big issue with 12V92 TT,when we start it we are
we have a big issue with 12V92 TT,when we start it we are loosing at least 2 -3 litera of oil from exaust and small pipes on cranckase … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
I have a Detroit diesel 12/71 in my boat. I changed the oil
I have a Detroit diesel 12/71 in my boat. I changed the oil which looked normal. I removed the valve covers just to check the rack. There was all kids of oily sludge on the rack. Is that a problem ? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
It 5.9 Cummins 12 v .... I got work order said smoke coming
It 5.9 Cummins 12 v .... I got work order said white smoke coming out from tail pipe and I was thinking it turbo but the turbo drive shaft is not loose (bearing) it hard the way it supposed to be n no… read more
cumminsdr
cumminsdr
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High School or GED
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I have a marine Detroit diesel 6-71 1997 model dose any spec
Hello I have a marine Detroit diesel 6-71 1997 model dose any spec on this I am inframeing it. Need rides mains head valve and injector settings. Please… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I have a 371 detroit in a motor grader I just bought. I
I have a 371 detroit in a motor grader I just bought. I loosened up the stuck ones and it ran beautifully. After running a while at mid range idle it bogged down, blew white smoke and won't rev. I wou… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
Engine knocking. 60 Series Detroit 14.0L 06R0869700. I check
yes, i check the rocker arms and made sure the overhead was good. took the intake off of the side and check inlet valves with a scope camera. also i have oil leaking from my turbo actuator and the bottom of the oil turbo tube … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Detroit diesel air cleaner left off got caught when wasn't
Detroit diesel air cleaner left off got caught when wasn't home by rain ! Water in cylinders ! How can I drain water from cylinders.… read more
Roy Belding
Roy Belding
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I have a 671 d/ do I have black in my fule filter I
I have a 671 d/for why do I have black in my fule filter I have put new injectors in it two months ago dose the injectors have oil seal… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
I'm trying to track down some information on a Detroit
I'm trying to track down some information on a Detroit Diesel Fire Pump Engine Model PTA-1SD-50, Serial No. 583900. I'd like to get the manufacture date, any information available on emissions and fin… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
I want to hang the turbo off the side of a 6V71TA. I wonder
I want to hang the turbo off the side of a 6V71TA. I wonder if I can replace the OE air inlet housing (which puts the turbo right on top) with one of the two on a 12V71TA [along with the air shut-down… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
I have a 1992 series 60 Detroit we have just finished a
I have a 1992 series 60 Detroit we have just finished a complete in-frame today. I have oil coming from all six exhaust ports at an equal rate. We have used genuine Detroit components throughout. We r… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I own 2 6-71 DD J&T 485 hp. Read more: http://www.justanswer.com/medi
I own 2 6-71 DD J&T 485 hp. I takes a lot of cranking for them to start. I think its a fuel problem. How do I fix it.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
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
39,269 satisfied customers
. I just rebuild 09 Detroit ddec 6 but now it starts
I just rebuild 09 Detroit ddec 6 but now it starts injectors working. will not rev up good, takes long time to reach 1500rpm parked can you help?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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
39,269 satisfied customers
Military fork truck with detroit 6-71 diesel engine gets fuel
Military fork truck with detroit 6-71 diesel engine gets fuel into the crank case. could you give me likely causes?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
At the railroad we could check camshaft/geartrain timing by
At the railroad we could check camshaft/geartrain timing by how many degrees from TDC the ex. valves open .050". I need to do this on my 4-71. Ineed to know how many degrees for the valves to open.… read more
JCTech
JCTech
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Vocational, Technical or Trade Scho
352 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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

Jeremy

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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.

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Chris (aka-Moose)

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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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