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
I get chevy truck w4500, 2005, i get an issue with brakes,
Hello, i get chevy truck w4500, 2005, i get an issue with brakes, the first time that i press the brake pedal, it is spongy, then if i press the brake pedal it is ok, i replaced the brake master cylin… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
462 satisfied customers
For mcmillan. i have a 2007 gmc w4500 i have very little
for mike mcmillan. i have a 2007 gmc w4500 i have very little brake pedle when i first pump the brakes. cleaned and adjusted rear drum brakes but no real difference, there is a vacume pump and low vac… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
I have a 2005 Isuzu NPR. Initial press of brakes is spongey.
Hi, I have a 2005 Isuzu NPR. Initial press of brakes is spongey. Bleed brakes at Master Cylinder, block in rear, and all 4 wheels. Brakes are hard after 1 pump but the initial pump is still spongey an… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
I have to stand on my brake pedal to come to a stop and
I have to stand on my brake pedal to come to a stop and sometimes I have to use the emergency brake … read more
Bradey V
Bradey V
Certificate
2004 Isuzu npr diesel motor brake booster light comes on
2004 Isuzu npr diesel motor brake booster light comes on when brake is applied, brakes feel spongy first pump then tight on 2nd pump. What could be issue?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
I am working on a 04 fuso with hydro brakes and another shop
Second opinion] I am working on a 04 fuso with hydro brakes and another shop replaced the master cylinder and the truck came to us with 2 complaints. 1 was a leaking brake buster and the other was the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,780 satisfied customers
I am working on a 04 fuso with hydro brakes and another shop
I am working on a 04 fuso with hydro brakes and another shop replaced the master cylinder and the truck came to us with 2 complaints. 1 was a leaking brake buster and the other was the peddle goes to … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a NPR truck came in my shop with no brakes pedal to
I have a NPR truck came in my shop with no brakes pedal to the floor the guy rebuilt one rear wheel cylinder and it leaked. I thought we should do all the rear wheel cylinders in the rear(4) and try t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,780 satisfied customers
No brakes i changed the master cylinder and the pedal goes
no brakes i changed the master cylinder and the pedal goes to floor … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
The brake goose almost to the floor and the motor runs, 2005
the brake goose almost to the floor and the motor runs … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
1997 ford f800 lucas girling brake system replacing rear
1997 ford f800 lucas girling brake system replacing rear brake assemblies and hydraulic brake canisters how to replace rear wheel seals and bleed and adjust system… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
4,361 satisfied customers
I have a 2001 Isuzu NQR, I replaced all 4 rear wheel
I have a 2001 Isuzu NQR, I replaced all 4 rear wheel cylinders, shoes and drums. bled the system several times now. Bled out the load proportion valve also. When I hit the brakes hard once they work, … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
4,361 satisfied customers
I have a 1990 F800 that won't start. I want to have it towed
I have a 1990 F800 that won't start. I want to have it towed to shop, but can't release parking brake.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
4,361 satisfied customers
Good afternoon, I am Working on a 81 GMC C7000 with hydeovac
Good afternoon, I am Working on a '81 GMC C7000 with hydeovac brakes. We replaced the brake master cylinder and all 4 rear wheel cylinders. Can not get a pedal no matter how much I bleed it. Rear brak… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
have a 95 f800 with lucas girling brakes pedal is hard like
have a 95 f800 with lucas girling brakes pedal is hard like no assist ,chaged booster and pump still same. park brake sets and releases fine. pedal is rock hard to push like no assist from booster… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I Have A 1999 F800,With Lucas Girling Brakes.The Brake Pedal
I Have A 1999 F800,With Lucas Girling Brakes.The Brake Pedal Is ROCK Hard. I Have Replaced The Master Cylinder,Hydro Boost, Hydraulic Pump And The"Octopus Valve"( On Firewall Next To Master/Booster As… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,780 satisfied customers
Hello...I am working on a 2006 Mitsubishi fuso fe 140. I can
Hello...I am working on a 2006 Mitsubishi fuso fe 140. I can not achieve a solid brake pedal after replacing master cylinder and abs module and motor. Any other suggestions I could try? Thanks… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
i have no brake the pedal goes right to the floor they were
i have no brake the pedal goes right to the floor they were working ok we stored the truck for a couple of years now the pedal goes down to the floor can any one tell me what to look for its a vacuum … read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 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

5,780 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

4,361 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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