Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2007 isuzu. Nprhd. 133. I help bleeding the booster bake
2007 isuzu JA: What's the model of your 2007 Isuzu? Customer: Nprhd JA: What's the approximate mileage on your 2007 Isuzu? Customer: 133 JA: Is there anything else the Isuzu Mechanic should know befor… read more
Joe Green
Joe Green
28 satisfied customers
Isuzu 500 ive got air presure releases when foot applied but
isuzu 500 ive got air presure releases when foot applied but thw hydrailic side of the system not working brakes not stoping pedal just goes down half way and wont pull up … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,911 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
535 satisfied customers
We installed a new clutch on a 2012 international. Also
We installed a new clutch on a 2012 international. Also replaced the slave cylinder. Could not get the slave cylinder to move so we replaced the master cylinder. Still no movement on the slave cylinde… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 97 isuzu frr 7.1 turbo diesel cabover box truck.
Hi i have a 97 isuzu frr 7.1 turbo diesel cabover box truck. Over the past few years it has had a slight hissing sound coming from the foot brake pedal assembly. Had the lines for leaks but there were… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Have a 98 international that everytime u hold down the brake
Have a 98 international that everytime u hold down the brake pedal it shoots out the air from the foot pedal… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
535 satisfied customers
2003 Isuzu NPR 5.7L came in with no brake pedal when trying
2003 Isuzu NPR 5.7L came in with no brake pedal when trying to stop. Replaced master cylinder and pulled all fluid from reservoir. Attempting to bleed brakes but not getting any fluid to the rear brak… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
535 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
5,904 satisfied customers
I have a 2004 gmc w3500 forward cab and I had to replace the
Hello, I have a 2004 gmc w3500 forward cab and I had to replace the master on it due to a low pedal that crept down almost to the floor, and this was after replacing rusty front lines, one of which br… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
535 satisfied customers
2012 pro star plus international change foot valve and tp5
2012 pro star plus international change foot valve and tp5 valve still have a problem bleeding air through service glad hand when push pull valve on trailer applied and brake on trailer will lock down… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
Replaced foot valve on 2000 sterling truck because it was
replaced foot valve on 2000 sterling truck because it was leaking. reassembled air lines they way they came off. still leaking. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,904 satisfied customers
2012 Isuzu NRR We installed new brake shoes and two of the
2012 Isuzu NRRWe installed new brake shoes and two of the four new rear wheel cylinders ( rear position we did not replace the front position wheel cylinders). Do you have a procedure on bleeding the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,904 satisfied customers
This is not a duplicate question. I have a 2004 Freightliner
This is not a duplicate question. I have a 2004 Freightliner century and it has a problem that the air valve that goes under the 5th a lot of hoses go to it is leaking from the round exhaust port when… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,904 satisfied customers
I have a 2009 mack pinnacle, when I push on the brake pedal
I have a 2009 mack pinnacle , when I push on the brake pedal the app brake pressure gauge goes up to 50-70 psi depending on how hard it is pushed. when I take my foot off the pedal the gauge goes down… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 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
Associate Degree
4,361 satisfied customers
new question, hydraulic brake problem on Isuzu 3 ton truck
new question, hydraulic brake problem on Isuzu 3 ton truck 1998, changed 1x rear brake cylinder seized changed 3 x brake tue lines, bleed brake systemnow pressure is atlow peddle travel and when left … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 1993 Volvo Gm truck. The air brake proportioning
I have a 1993 Volvo Gm truck. The air brake proportioning valve was recently changed by the customer. They also changed the dash valve and they are sure all the hoses are connected rightly. The proble… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2002 Hino and the brakes lock every time you step
I have a 2002 Hino and the brakes lock every time you step on the pedal. If you are veeeeerrryy careful you can make it stop normally but ANY extra effort or in a panic stop on the brake pedal will se… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,911 satisfied customers
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Daniel Wilson

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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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