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Question for you guys that drive dual wheel trucks
#1329598 Sat Oct 12 2019 11:26 AM
Joined: Nov 2011
Posts: 2,577
P
Shop Shark
I want to compare some driving techniques with you all...I have a situation where my dual wheeled trucks rear tires will slide on wet leaves when descending a steep hill. Obviously if both rear wheels on the axle slide the truck can go into an uncontrolled slide. No brakes are applied, low gear manual transmission regular compression braking, in 2WD. The question is: what is your technique to regain vehicle control? I have my answer, but want to hear others thoughts.

Last edited by Paul_WNC; Sat Oct 12 2019 04:05 PM.
Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329601 Sat Oct 12 2019 12:36 PM
Joined: Sep 2013
Posts: 1,038
M
Shop Shark
Paul, can't say as that's ever been a problem with my dually ('95 Dodge). I've driven it about 300k and the only time I worry about the rear breaking traction is when going up or down a snow covered mountain pass, often with a 12,000 lb hunting trailer hooked on when driving in Colorado. We're heading out in 4 days and it's sometimes a white knuckle, religious experience. Not looking forward to the weather they're currently having out there.

My guess on why you're having issues is the front brakes. If the front's are a bit less than perfect I can see how the rears (when the truck isn't loaded) would lock first. Perhaps adjust the fronts up to the max so they'll do the majority of the braking?

I am interested in hearing your solution.

Best,

RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329602 Sat Oct 12 2019 12:47 PM
Joined: Apr 2005
Posts: 8,915
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
As with most any slide....get off the brakes. Start your way down in a lower gear.


Martin
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Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329621 Sat Oct 12 2019 04:06 PM
Joined: Nov 2011
Posts: 2,577
P
Shop Shark
I made some edits (in red) above to clear up the original question.

Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329631 Sat Oct 12 2019 05:41 PM
Joined: May 2015
Posts: 2,609
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Even on an SRW pickup that's lightly loaded, the rear wheels may slide with just compression braking (fronts freewheeling). My solution is to disengage the clutch and use the brakes, but that's not an available solution for you guys that drive automatic tranny trucks. But applying the brakes lightly should work. If I have the hubs locked, I'll pull it into 4WD. But if you lock up the fronts, then you have no steering, which can induce some pucker factor. In that case, it's better to get off the brakes and try to steer thru it. That's the old saw "steer in the direction of the skid".


Kevin
First car '29 Ford Special Coupe
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Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329632 Sat Oct 12 2019 05:43 PM
Joined: Nov 2004
Posts: 1,807
J
Shop Shark
Just a thought. Might try shifting to neutral or depressing the clutch on a manual transmission. No I don't drive a dually. That is just my 1st thought.

John


J Lucas





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Re: Question for you guys that drive dual wheel trucks
Paul_WNC #1329737 Sun Oct 13 2019 02:31 PM
Joined: Jan 2017
Posts: 841
I
Shop Shark
I drove a water truck at a rock crusher with 4 wheel drive with dual rear wheels and when loaded going down a muddy slick hill I left it in gear and used light, steady pressure on the brake pedal to keep the speed down . It allowed the antilock braking system to maintain traction by making sure all four tires slow at the same rate when you apply the brakes.











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