Medium and Heavy Trucks
I have an 2000 Freightliner FL70 with a cat 3126. When I do an air brake test a buzzer (I was told low oil pressure)
Expert's Assistant chat
Customer: Good day, I have an 2000 Freightliner FL70 with a cat 3126. When I do an air brake test a buzzer (I was told low oil pressure) stays on when I shut the engine down and turn the key back to on. I am taking the drivers test in PA and according to the test the buzzer should sound only when the air pressure hits 60 pounds. Any ideas and is this normal?
JA: Hi there. When was your last oil change? Have any error codes popped up?
Customer: Around 2000 miles ago and I don't see any error codes. This truck is new to em and I am new to this size truck
JA: What's the make/model of your 2000 truck?
Customer: Freightliner FL70
JA: Is there anything else the freightliner Mechanic should know before I connect you? Rest assured that they'll be able to help you.
Customer: I don't believe so
JA: Hi there. When was your last oil change? Have any error codes popped up?
Customer: Around 2000 miles ago and I don't see any error codes. This truck is new to em and I am new to this size truck
JA: What's the make/model of your 2000 truck?
Customer: Freightliner FL70
JA: Is there anything else the freightliner Mechanic should know before I connect you? Rest assured that they'll be able to help you.
Customer: I don't believe so
Answered by wtolkson in 20 mins 1 year ago
wtolkson
Auto Mechanic
34,684 satisfied customers
Specialities include: Auto Body Technician, Heavy Equipment Repairs, Heavy Duty Engine Repairs, Brake and Transmission Repairs
Hi, I'm Wayne.
I'll be assisting you with this issue today.
Thank you for coming to Just Answer
Your Question is as important to us as it is to you.
I am sorry to hear you are having this issue.
I go offline at 4 pm CST. M-F
Weekend 2-3 pm CST for the day.
The low air buzzer and the low oil pressure buzzer are the same buzzer and different sensors to turn it on.
So, engine off and key on, yes it should buzz, engine running pump the brake pedal below 60PSI, and the air buzzer should go off.
I hope this helps you.
Wayne
Read less
0 Likes
Backwtolkson
34,684 satisfied customers
Auto Mechanic
wtolkson
Auto Mechanic
34,684 satisfied customers
Ellen
Licensed mechanics
14 Mechanics are online right now.
Related Car Questions
I have a 1998 freightliner fl70, came in with a actuation
11.13.2022
Nich1019
Diesel Technician
117 Satisfied Customers
2002 Freightliner FL70 C7 3126 Cat Motor. First, over a year
4.2.2022
Daniel Wilson
Car Specialist
6,648 Satisfied Customers
Have a 2003 Freightliner Fl70. Will not crank. Just got the
5.18.2021
RichardH416
Resident Tech
75 Satisfied Customers
Have a 3126 has a pid 43 fmi 2. Cat 3126 2000 freightliner
4.18.2021
Daniel Wilson
Car Specialist
6,648 Satisfied Customers
I have 2000 FL 70 with a cat 3126 and Eaton autoshift tCNNhe
2.12.2020
Mike Mcmillan
Triage Tech/Shop Foreman
622 Satisfied Customers
I have a 1998 freightliner fl70, came in with a actuation
11.13.2022
Nich1019
Diesel Technician
117 Satisfied Customers
2002 Freightliner FL70 C7 3126 Cat Motor. First, over a year
4.2.2022
Daniel Wilson
Car Specialist
6,648 Satisfied Customers
How it works
Ask for help, 24/7Ask for help, 24/7
Members enjoy round-the-clock access to 12,000+ verified Experts, including doctors, lawyers, tech support, mechanics, vets, home repair pros, more.
Expert will respond in minutesExpert will respond in minutes
After you reach out, we match you with an Expert who specializes in your situation. Talk, text, chat, whichever you prefer.
Save time & moneySave time & money
No scheduling hassles, missing time from work, or expensive consults.
A JustAnswer membership can save you significant time and money each month.
Sarahesq and 87 other Automotive Mechanics are ready to help you.
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.
Last Updated: 12-20-22
“I had a resolution within 15 minutes”
— Erin, JustAnswer customer
Why you’ll love JustAnswer
JustAnswer is the best way to get expertise on-demand from doctors, lawyers, vets, mechanics and more. Since 2003, we’ve helped more than 9 million people in 196 countries and have an A+ rating with BBB and a 9.6/10 rating with TrustPilot.
Highly rated, verified Experts
We pride ourselves in our 8-step verification process including license and credential checks. Vetted by us and rated by customers, like you.
Free expert tips & articles
By Robyn
By Carolyn Hauck
By Jessica Klimczak
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.
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.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
Web sites like justanswer.com/legal ...leave nothing to chance.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
