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Trying to hook valve in 97 classic in its back feeding
Trying to hook valve in 97 classic in its back feeding trailer supply … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have the same problem as noted in this post. 2001 Kenworth
I have the same problem as noted in this post. JA: Okay, the Mechanic will know what to do. Before I connect you, is there anything else you'd like them to know about your car? Customer: 2001 Kenworth… read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
207 satisfied customers
I have a 2005 freightliner coranando after rising I apply my
I have a 2005 freightliner coranando after rising I apply my brakes my brake lights stay on and it's making my trailer brakes grab … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I am working on a 2014 volvo VNL that is having trouble with
Hello, i am working on a 2014 volvo VNL that is having trouble with trailer brakes locking up everytime the trailer brakes are applied. Tried it on numerous trailers but keeps doing the same thing. If… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a 2015 freightliner sd114. After 15 minutes I lose
I have a 2015 freightliner sd114. After 15 minutes I lose about 60lbs of air. I have replaced the air dryer already. I can not hear or see any air leaking. Sprayed with soapy water. Any thoughts? Vin … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
213 satisfied customers
2002 Freightliner century. Won't build air unless the brake
2002 Freightliner century. Won't build air unless the brake is being held … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have a 1994 Freightliner FLD 120. At service test they
Hi. I have a 1994 Freightliner FLD 120. At service test they noticed that both rear axels are suddenly blocking the wheels when the brake pedal are pushed halvf way in. … read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
207 satisfied customers
I have a 99 freightliner fld my front drive axle when
I have a 99 freightliner fld my front drive axle when slightly applying the brakes locks up I replaced brakes and abs in the center of front axle it does this loaded or empty what do you think is the … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
517 satisfied customers
I have issue with 2008 hino truck when applying spring
Hi i have issue with 2008 hino truck when applying spring brake.not stopped as quickly.even not hearing exhaust sounds from the relays. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 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
5,454 satisfied customers
Have a 2007 volvo tractor. It won't hold air and the air
Have a 2007 volvo tractor. It won't hold air and the air seems to be bleeding out of the ABS valve on frame rail under passenger side of cab. Reportedly this ABS valve is new replaced by someone else.… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
Need to figure out why this freightliner Columbia locks the
Need to figure out why this freightliner Columbia locks the brakes under a slight apply. Seems to be better when trailer is loaded. Replace tractor protection valve and treadle valve.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I sure do 1990 kw dump truck, parking brake valve leaks
I sure do 1990 kw dump truck, parking brake valve leaks exhaust when you pull out to park, I just put 4 new chambers on and replaced the park valve and it leaks when you pull to park, if you hold it i… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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Volvo vnl 64 T 630: I have 2006 volvo vnl 64 T 630 I shift
I have 2006 volvo vnl 64 T 630 I shift ,the question is, when you try to check tractor realise valve the yellow button won't pop out even though pressure is all the way to zero replace already three v… read more
Jeremy
Jeremy
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Associate Degree
2,747 satisfied customers
Need color code diagram of air lines on a freightliner 97 Vin 833212. Have changed all val
Need color code diagram of air lines on a freightliner 97 Vin 833212. Have changed all valves, air is back feeding though the system… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
2001 peterbilt. When stepping on brake, it feels like no brake
2001 peterbilt. When stepping on brake, it feels like no brake then all of a sudden you got brakes. I've changed tractor protection valve and foot pedal valve.… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
My name's Ray. I have an 07 volvo VT880. My truck has an air
My name's***** have an 07 volvo VT880. My truck has an air leak that I believe I found its root problem. But I wanted a second opinion before proceeding… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I have an 06 Freightliner Columbia that has a brake lock up
I have an 06 Freightliner Columbia that has a brake lock up issue that no one can find on the front drive axle. I have replaced everything from foot valve, tractor protection valve, ABS valves, ABS se… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 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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