Medium and Heavy Trucks

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It blow black smoke an it burp not all the. Western star
It blow black smoke an it burp not all the JA: What's the make/model/year of your truck? Engine type? Customer: western star 2004 DD15 Detroit JA: Are you fixing your truck yourself? What have you tri… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Detroit 14l I'm getting a growl or moaning sound
I have a Detroit 14l I'm getting a growl or moaning sound coming from the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 06/07 14L Detroit engine freightliner my check
Hi, i have a 06/07 14L Detroit engine freightliner my check engine light comes on when i push the gas pedal. I'm having a powering issue . My turbo kicks on and i have power to pull weight when im in … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2006 western star with a Detroit series 60. I lost boost and
2006 western star with a Detroit series 60. I lost boost and no turbo pressure. We just changed out the vpod and still no change. We can see that the actuator on the turbo is not moving. We have gone … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 14 liter detroit when I mash the gas pedal shows
I have 14 liter detroit when I mash the gas pedal shows turbo speed sensor active I replace turbo,engine wire harness, ecm,air filter and check turbo charger… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
I have an 06 western star with a 14 litre Detroit...low
i have an 06 western star with a 14 litre Detroit...low power on any level..ive changed the cac,fresh service,replaced delta p sensor and the turbo is a year old..its been hooked up at Detroit and all… read more
Expert
Expert
7,463 satisfied customers
Have an 07 Detroit Series 60 14L. Roughly 100k on an
Have an 07 Detroit Series 60 14L. Roughly 100k on an in-frame. Been struggling to get even 5mpg out of it lately. There is a fluttering coming from either the intake or exhaust (can't tell for sure wh… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 14L 60 series Detroit, and after it reaches temp. I
I have a 14L 60 series Detroit, and after it reaches temp. I lose the turbo … read more
Expert
Expert
7,463 satisfied customers
I have a 14L Detroit and the turbo is whistling very loud
I have a 14L Detroit and the turbo is whistling very loud and I have no power.had the turbo checked and the actuator it is fine. I got fault code 18 and not sure if that has anything to do with it. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2007 Western Star with a 515 Detroit 14L. The truck
I have a 2007 Western Star with a 515 Detroit 14L. The truck has a 10speed and 4.33 rears. My complaint is lack of power with gross weight above 80k. our fullest loads put us at 129k. The data screen … read more
Expert
Expert
7,463 satisfied customers
i have a detroit serie 60 515 hpOn s sterling 2005 and
Hi i have a detroit serie 60 515 hp On s sterling 2005 and i lost the boost completly and it com back like Notting append my mecanic change the turbo ang egr an the vpod but ti append again an again i… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Mack MP8 EGR engine. It's in a Mack Trident ( Australian model.)
Mack MP8 EGR engine. It's in a Mack Trident ( Australian model.) used to haul triple roadtrains in Western Queensland and the Northern Territory. I have replaced the EGR valve and the new one is doing… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have an 2005 14L Detroit. Engine is very weak. Boost pressure
I have an 2005 14L Detroit. Engine is very weak. Boost pressure builds to around 32 psi and falls back very quickly. We have no boost leaks. What should the VGT Vaine Actuator read and what should the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Hello, I have a 2004 Detroit series 60 515 . The wastegate
Hello, I have a 2004 Detroit series 60 515 . The wastegate actuator is leaking is this replaceable or can you rebuild ? Thanks, RJ… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Hey my 04 Detroit 60 is coughing aand sputtering and blowing
Hey my 04 Detroit 60 is coughing aand sputtering and blowing light blue smoke now and then and at the same time the turbo seems like it won't spool up. It tries to pressure up but get to 10 psi then d… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
Hi, My dad just bought a 2007 freightliner century last year
Hi, My dad just bought a 2007 freightliner century last year with a 2006 detroit 14l engine. We have tried the barometric pressure sensor trick but we still get 4.xx miles per gallon. It has 800000 mi… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I am looking for a detroit expert as i am having a lot of EGR
I am looking for a detroit expert as i am having a lot of EGR faults, boost pressure, actuator vanes and PWM 3 faults appearing. I have been replacing VPods, actuators, and EGRs but every thing i seem… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
Hi ! I got a 515 Detroit in a 07 sterling,thats got a bad
Hi ! I got a 515 Detroit in a 07 sterling,that's got a bad cough or bark ,usually under load, some days it's not too bad other days it's just terrible. I was directed to the truckers report.com where … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 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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