Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
Caterpillar C15 ACERT MXS561661, Twin turbos deleted to
Caterpillar C15 ACERT MXS561661, Twin turbos deleted to Single. … read more
JeremyTruckTech
JeremyTruckTech
Service Manager
High School
34 satisfied customers
I'm working on a 2007 international DT 570. I received this
HI I'm working on a 2007 international DT 570. I received this truck not running due to a dropped valve a valve on #5. rebuilt the motor with all new components head, liners, pistons, turbo, exc. insp… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
740 satisfied customers
Detroit 60 series 12.7l. Engine serial number 06R0473938
Detroit 60 series 12.7l. Engine serial number 06R0473938 What is the torque spec for the connecting rod bolts to the piston wrist pins? And the connecting rod cap bolts… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I have a 2015 dd15 with 594,000 miles. I have replaced the O
I have a 2015 dd15 with 594,000 miles. I have replaced the O rings and also the oil pickup tube because my idle oil pressure dropped to 13.9 psi. Still at hot idle the psi drops to 17 to 19 psi. What … read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
7 satisfied customers
I am worry about some is happening to my motor I have a
Hello I am worry about some is happening to my motor I have a détroit 12.7 60 series the dealer just did a fully rebuild on it since they rebuild it my oil presure at 70 mph is on 40 and wen idle is o… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 satisfied customers
I have a Detroit serie 60 DDEC IV, just rebuild it. My oil
I have a Detroit serie 60 DDEC IV, just rebuild it. My oil pressure at idle is between 25 and 29 psi, but my real question is that the oil pressure down the road at 1500 rpm is steady and stays at 40 … read more
Heavy Equipment Tech
Heavy Equipment Tech
Heavy equipment mechanic
158 satisfied customers
Truck is back together and this is what I'm seeing. once the
Truck is back together and this is what I'm seeing. once the engine is warm at 215 degrees the oil pressure is dropping off to 11 psi at idle and Im getting a buzzer an a light in the gauge. About 40 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2004 freightliner detroit 60 oil pressure running about 75 -
2004 freightliner detroit 60 oil pressure running about 75 - 80 at first start up and blowing the seal out of oil filter. using strap wrench to tighten oil filters but after few short minutes oil filt… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Trucks oil pressure drops to zero when rpms drop down to
Trucks oil pressure drops to zero when rpms drop down to idle. But go oil pressure rises back to 20psi like normal. The low pressure alarm goes off. Also when at normal driving conditions truck has go… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I just rebuilt my engine and the oil pressure reading 25
I just rebuilt my engine and the oil pressure reading 25 psi … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I have a detroit 60 14L. I suddenly have a loss of oil
i have a detroit 60 14L. I suddenly have a loss of oil pressure. 19.7psi at idle and 38.6psi at 1600rpm. buzzers go off yet I can let off throttle to get it home. I replaced oil pump, oil pressure rel… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2009 detroit 14l. suddenly low oil pressure. like
Hello, I have a 2009 detroit 14l. suddenly low oil pressure. like 10-15 lbs at idle. just under 25 at 14-1500 rpm. buzzers go off. if I back off throttle and breing motor down to 10 to 1100 rpm light … read more
Expert
Expert
10,510 satisfied customers
I have a 2005 pete c15 mxs that we inframed less than 20k
I have a 2005 pete c15 mxs that we inframed less than 20k miles ago. It has low oil pressure at idle when hot 25-30lbs you have to bump it up a couple hundred rpms to get to 40lbs and under a load it'… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat Man please if you are there? I have a C 15. MXS62356.
Cat Man please if you are there? I have a C 15. MXS62356. Can you tell me where the oil bypass spring is located? Having an oil pressure problem and I need to check it. Thanks. A diagram would be awes… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
My driver lost oil pressure and the engine shut down,
My driver lost oil pressure and the engine shut down , brought it back to the shop started it at an idle 15 psi at 2000rpm 40 psi. I pulled the pickup tube and checked the pump to see if it sheared th… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have a 07 century last 6 of vin# ***** My low oil pressure
I have a 07 century last 6 of vin# ***** My low oil pressure light came on I took it to the shop they notice I had oil in the coolant, they replaced the oil cooler, sensor, took off oil pan clean pick… read more
Expert
Expert
10,510 satisfied customers
I HAVE AN EPA07 MBE 4000 ENGINE OIL PRESSURE IS AT 35 PSI AND
I HAVE AN EPA07 MBE 4000 ENGINE OIL PRESSURE IS AT 35 PSI AND DOES NOT INCREASE WHEN ENGINE IS REVVED UP, OIL PUMP AND REGULATOR HAVE BEEN REPLACED, THERE IS NO METAL IN THE OIL, CANNOT LOCATE A SECON… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 1999 international 4700. DT466. No oil pressure
I have a 1999 international 4700. DT466. No oil pressure at all. Removed the oil pressure sensor, nothing. I pulled the oil filter housing to check the pressure regulator, looks ok, not stuck open. Pu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

17,759 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x