The trailer tires roll with the brakes locked and the tandems released to adjust what hole to be in.
Do the tandem rails need grease? If so what kind?
Something wrong with the brakes?
What y'all think?
Tires rolling when moving tandems while brakes engaged?
Discussion in 'Experienced Truckers' Advice' started by scott180, Nov 30, 2021.
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Lol
Brettj3876, Dale thompson, Hatt91 and 7 others Thank this. -
Brettj3876, Cattleman84, okiedokie and 8 others Thank this.
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Rideandrepair Thanks this.
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That's what I'm thinking. I'm not used to automatic slack adjusters. I'm used to adjusting them myself. What do I look for when I'm inspecting them?
Rideandrepair Thanks this. -
roshea, HoneyBadger67, Pamela1990 and 2 others Thank this.
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If not, seek mechanical service.
Automatic adjusters go out of adjustment if you only ever lightly tap the breaks. They need hard breaking (preferably when the truck isn’t moving) in order to adjust themselves.Brettj3876, tscottme, GYPSY65 and 2 others Thank this. -
I am a light touch on the brakes so I gave your suggestions a try, unfortunately the piston still had 2in+ of travel.
I'm going over to the shop at the FlyingJ to see how much it is for a new pod. Then clear it with the company for repairs.
Otherwise I'll manually adjust them and have the shop guy fix it Monday. I live in UT and the shop is in ID. I'll just need to hang out for the day.
If I manually adjust them should they be good for a day? Again I've never had problems with automatic adjusters before so I'm learning some new tricks. Thanksbeastr123 and Rideandrepair Thank this. -
Brettj3876, Cattleman84 and Rideandrepair Thank this. -
Is a brake chamber leaking now? Some Shops won’t adjust slacks if they’re out. Only replace them. You found the problem. Another cause could be a broken parking brake spring on one or more of the 30/30 chambers. Trailers have a Teflon pad on the sliding rails. They get worn out. Graphite dry lube spray is good normally. If they’re worn, a shot of anything pb blaster. WD 40, or even Diesel fuel before sliding helps. Grease will just attract dirt and grime.. A curb or wheel chocks good. I usually Unlock it get it rolling and hit the trolly bar. Usually works.
Last edited: Dec 1, 2021
JustCallMeDriver and jamespmack Thank this.
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