Truckers Report Jobs

Find Trucking Jobs

Company Driver Company Driver Dry Van Dry Van Flatbed Flatbed Refrigerated Refrigerated Specialized Specialized Owner Operator Owner Operator
More Trucking Job Searches ⌄ Fewer Trucking Job Searches
⌃

ABS Problem

Discussion in 'Experienced Truckers' Advice' started by stinstone, May 31, 2013.

  1. May 31, 2013 #1
    stinstone

    stinstone Bobtail Member

    8
    0
    May 31, 2013
    0
    I was wondering if anybody could help me out. I have a Western Star 4964F Triaxle dump truck and the other day after fueling up, I released the air brakes, and I heard air blowing out the exhaust on the modulator valve, on the passenger side. Well we where able to rig it up by bypassing the valve so I could make it home. I went out and bought 2 new modulator valves, and a check valve. Well after replacing everything, air is still blowing out the exhaust of the modulator and the check valve now.

    Thank you
     
    stinstone, May 31, 2013
    stinstone, May 31, 2013
    #1
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. Jun 1, 2013 #2
    Big_jon

    Big_jon Light Load Member

    139
    60
    Apr 12, 2013
    0
    Man, check valves are one way valves. Did you install it backwards? I dont know whats wrong with your truck, but I understand valves.
     
    Big_jon, Jun 1, 2013
    Big_jon, Jun 1, 2013
    #2
  4. Jun 1, 2013 #3
    Big_jon

    Big_jon Light Load Member

    139
    60
    Apr 12, 2013
    0
    If the check valve is leaking, there could be a low pressure problem. However, any negative return on a check and it should close.
     
    Big_jon, Jun 1, 2013
    Big_jon, Jun 1, 2013
    #3
  5. Jun 1, 2013 #4
    stinstone

    stinstone Bobtail Member

    8
    0
    May 31, 2013
    0
    Everything is hooked up correctly Big Jon. Me and the mechanic are extremely baffled by this.
     
    stinstone, Jun 1, 2013
    stinstone, Jun 1, 2013
    #4
  7. Jun 1, 2013 #5
    eeb

    eeb Heavy Load Member

    731
    267
    Mar 24, 2013
    0
    I may be totally off base, but you don't have a brake can leaking from the parking brake to the service brake side do you?
     
    eeb, Jun 1, 2013
    eeb, Jun 1, 2013
    #5
  8. Jun 1, 2013 #6
    stinstone

    stinstone Bobtail Member

    8
    0
    May 31, 2013
    0
    I was looking at a Wabco site and it was saying possibly a Wheel Speed Sensor.
     
    stinstone, Jun 1, 2013
    stinstone, Jun 1, 2013
    #6
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.