I saw a dash cam video the other day. A straight truck blew a steering tire. The truck dove for the shoulder and rolled killing the driver. I try to imagine that happening in a tractor trailer. I mean a blow out, no a rapid deflation. I would try to yank that trailer hand valve down immediately. What do you think? Bad idea?
Steering Tire Blowout
Discussion in 'Experienced Truckers' Advice' started by tumblin dice, Jul 26, 2014.
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Very bad idea. The last thing you want to do is load the steers with greater force by applying ANY kind of brakes.
What you WANT to do is ACCELERATE first while maintaining steering wheel force against the blowout. THEN gradually decelerate.
Here's a great video explaining the entire process:
[video=youtube_share;8znCgvHMb-g]http://youtu.be/8znCgvHMb-g[/video]
For those that are in a habit of steering with a couple of fingers with one hand or running hard against the governor, you won't be able to control a steer blowout.Last edited by a moderator: Jul 26, 2014
roshea, JolliRoger, flood and 17 others Thank this. -
flood and CondoCruiser Thank this.
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Rule #1, stay off the brakes, accelerate and a slight countersteer to stay straight like lepton said to counter the force. Once the truck is under control then you start the coast deceleration while you slowly make your way to the shoulder. Don't be terrified because it's not as bad as it sounds just as long as you know what to do. Excellent video!! Watch it, absorb it and be prepared to follow it!
Rule#2, Always keep top notch steer tires. Any signs of wear then get new ones and have them put on the drives or a trailer for their final wear. Don't let anyone make you run junk steer tires. Then take care of them tires with proper air pressure, proper suspension and alignment. Never curb your steers as you can break bands in the sidewalls for a future blowout.
Follow those guide lines and you'll never have a steer blowout unless you get a lemon. -
CondoCruiser and Lepton1 Thank this.
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Back about 10 years ago I went through an advanced training to better understand a few things drivers fear the most..... a steer tire blowout and a jackknife. For the steer tire blowout, all it took to keep control of the tractor trailer was to stab brake the trolley brake (trailer brakes only) a few times and the backwards force took all the pressure off the front end and I was able to slow the vehicle down and bring it to a safe stop. After undergoing this training, I have never feared a steer tire blowout or a jackknife because it is burned into my brain what I will do the instant either of these situations arise. Fortunately, in over 22 years driving I have never had to experience a steer tire blowout on the road. I am uber anal about pre-trip inspections and keeping my tires in ideal condition. The training I went through was actually really fun once the fear of what was the unknown was taken away. By the time the training was over I was driving down the track at 65 mph and induced a jackknife on an ice covered surface.... and remained in control. Of course, in the real world, keeping the vehicle under control does not guarantee you would never still make contact with another vehicle, but you would at least keep the truck upright.
Lepton1 Thanks this. -
Lumper Humper, 77smartin, EverywhereMan and 2 others Thank this.
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The hand brake will work. I went half tilt on the hand brake and the start increasing the pressure. It even saved the wheel from being chewed up.
flood Thanks this. -
A TPMS is a great tool also. I had a leaking valve on one of my steer (vibrated loose while under way, was fine when I did my PTI) The TPMS told me immediately that it was loosing air. I caught it before it lost more then 10 psi. tightened with a wrench (On the side of highway) and limped safely to nearest truck stop only 10 psi down. Without the TPMS i'm sure i would have had a low pressure blowout.
In a compny truck, my trainee ran over something. When we stopped the tire was down to 40 psi and super hot. We were lucky it didnt blow at that low psi. A TPMS would have told us much sooner.flood Thanks this. -
Farmerbob1 and Cranky Yankee Thank this.
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