Medium and Heavy Trucks

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I have a Detroit series 60 DD4 in a Peterbilt 389. It was
Hello my name is***** have a Detroit series 60 DD4 in a Peterbilt 389. It was running fine than I shut it off for a few hours. I tried starting it and it was knocking and rocking. Plus blowing a lot o… read more
Bradey V
Bradey V
Certificate
Just bought a Pete with a 12.7 detroit. Was not running. Got
Just bought a Pete with a 12.7 detroit. Was not running. Got it running after some fuel issue repairs and it is only running on 1,2,3. . we are checking harness. Is there a way to confirm injector sig… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Just took 60series out of Pete with thick ecm and installed
Just took 60series out of Pete with thick ecm and installed in another pete that was using DDEC 3. I also have a DDEC 4 ecm that was still good 3 years ago. Do I need to replace the batteries in the e… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
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
Mike Mcmillan
Mike Mcmillan
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Associates
431 satisfied customers
I am working on a 12.7 series 60 Detroit. Cylinders 1,2,and
I am working on a 12.7 series 60 Detroit. Cylinders 1,2,and 3 aren't firing. We just replaced o-rings on all injectors and a new fuel pump. Truck ran about 50 miles or so then started missing. Hooked … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My engine fan stays on everything checks out seems like it's
My engine fan stays on everything checks out seems like it's inside the fire wall changed the manual switch no luck can it be the modular … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Have a 1994 Volvo, with DDEC II. I need wiring diagram, and
Hello Have a 1994 Volvo, with DDEC II. I need wiring diagram, and any troubleshooting info on jake/cruise you can provide.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 91 freightliner with a Detroit 60 series. it
i have a 91 freightliner with a Detroit 60 series. it recently had been abused and the solenoid was ruined and in turn ruined the batteries. I have replaced the starter and batteries. Now when i start… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I am working on a 1992 Peterbilt 362 with a series 60. I
Hi, I am working on a 1992 Peterbilt 362 with a series 60. I have a DDEC 4 conversion kit with ECM to install. The truck sat for about a year and when we fired it up to start the conversion, it had a … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Detroit 12.7 in an 98' 9900 International, I can
I have a Detroit 12.7 in an 98' 9900 International, I can start the truck and engine fan works correctly. As soon as I touch the accelerator pedal the engine fan comes on and stays on untill about thi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm having troubles with a 1994 379 peterbilt, when I turn
I'm having troubles with a 1994 379 peterbilt, when I turn the key on, the dash lights come on momentarily as normal. Then they all shut of except for a few, then a relay clicks and the rest shut off,… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Detroit 60 series engine tries to start blows black
I have a Detroit 60 series engine tries to start blows black smoke then after few mins it blows a puff of white smoke then want try to start of I wait a few mins and try again it dose same thing any s… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have 2005 freightliner century with detroit series 60 14l
Hi I have 2005 freightliner century with detroit series 60 14l egr ddec v it needs over haul and I don't want to do it I also have 2003 freightliner century detroit series 60 14l egr ddec iv it has go… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Maybe. I need help with engine brake wiring on western star
Maybe. I need help with engine brake wiring on western star 1998 w/60 series Detroit. I have to get more info. Other mechanics did an engine swap and i need to know what ecm, wiring on engine and more… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm putting a 2000 peterbilt(###) ###-#### ***** engine in a
I'm putting a 2000 peterbilt(###) ###-#### ***** engine in a 1996 peterbilt 379 that has a detroit DDEC IV 60 series engine and i need the ecm interface wiring schematic and pin configuration from fir… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
We have three 60 series Detroit engines. Serial numbers; 06R0245207,
We have three 60 series Detroit engines. Serial numbers; 06R0245207, 06R0475052, 06R0454253. How can you identify DDEC II, DDEC III, and DDEC IV? What would the top setting be for each of these engine… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
I swapped a DDEC 4 out of a peterbilt and put in a DDEC 2 jakes
I swapped a DDEC 4 out of a peterbilt and put in a DDEC 2 jakes on the DDec 2 are different they need to run through a Jake module or something Can you get me a diagram or walk me through what i need … read more
JCTech
JCTech
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Vocational, Technical or Trade Scho
352 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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