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Air leak

Discussion in 'Ask An Owner Operator' started by gripgetter, Jul 23, 2021.

Jul 23, 2021 #1

gripgetter Bobtail Member

3

0

Jul 18, 2021

0

1999 freightliner FLD 120 when I step on the brake pedal the yellow exhaust tube on the driver side firewall leaks air

gripgetter, Jul 23, 2021

gripgetter, Jul 23, 2021

#1
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Jul 23, 2021 #2

Big Road Skateboard Road Train Member

7,250

41,328

May 2, 2021

0

Check brake chambers and service/abs valve first. Assuming it leaks when brakes released. Also isolate to truck or trailer

Big Road Skateboard, Jul 23, 2021

Big Road Skateboard, Jul 23, 2021

#2
Jul 25, 2021 #3

xsetra Road Train Member

5,199

7,151

Aug 21, 2011

0

Could be the MV3 is bad. Trouble shooting link below.
http://www.suspensionspecialists.com/techinfo/Bepco_Air_Brake_Trbl_Chart.pdf
Good luck.

xsetra, Jul 25, 2021

xsetra, Jul 25, 2021

#3
Jul 25, 2021 #4

ProfessionalNoticer Road Train Member

2,941

7,858

Apr 25, 2021

0

My money's on a brake chamber diaphragm.

ProfessionalNoticer, Jul 25, 2021

ProfessionalNoticer, Jul 25, 2021

#4

slow.rider Thanks this.