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Posted

I am going to be hauling a 6 foot by 12 foot uhaul trailer from southern VA to the most north part of OH. which is about 9.5 hours normally and I have never pulled anything like this before. Should i just switch my truck over to 4 wheel drive before i even turn it on? please let me know.

Posted

I am going to be hauling a 6 foot by 12 foot uhaul trailer from southern VA to the most north part of OH. which is about 9.5 hours normally and I have never pulled anything like this before. Should i just switch my truck over to 4 wheel drive before i even turn it on? please let me know.

You can use 2WD or Auto in combination with the tow/haul mode, but 4WD should not be used on dry pavement otherwise damage will likely result. See owner's manual, 4WD is only for snow/mud/slippery surfaces and you do not have to engage the transfer case when stopped, all shifts can be made on the fly

Posted

Two differentials towing = 2x the torque....try it and let us know! Cant wait for your review on the new towing method

Posted

Just use Tow Haul mode. Don't use 4wd at all. I've towed that size trailer from Ohio to NC twice and the first time it seemed daunting, but within an hour, you'll practically forget it's back there. It's really not as bad as you think at all.

Posted

Only time you should consider 4wd is if you end up off-road or in a situation where you simply can't get enough traction in 2wd. Outside of winter, you're not going to hit this on the highway.

Posted

You can use 2WD or Auto in combination with the tow/haul mode, but 4WD should not be used on dry pavement otherwise damage will likely result. See owner's manual, 4WD is only for snow/mud/slippery surfaces and you do not have to engage the transfer case when stopped, all shifts can be made on the fly

 

This! I hauled something similar in 2WD just fine.

Posted

Am I the only one that thinks its ironic that a guy who's avatar is Marge Gunderson doesn't know when to use 4wd? If you were from the snowy north part of the country, you would know you don't need 4wd until the snow is up to the front bumper, lol.

Posted

4WD is primarily found in trucks and can be broken down into Part-Time, Full-Time, and Automatic Transfer Cases. These selectable systems have modes intended for on-road use and other modes intended for off-road or low traction situation usage. All current GM 4WD systems have a low range available in the transfer case.

Use of 4HI or 4LO and 4HI Lock or 4LO Lock on Full-time 4WD is intended for use on a low traction surface such as snow, ice, mud or sand. On a low traction surface, the differences in front and rear axle speeds will not have as much effect on binding because of the lower traction levels between the surface and the contact patch of the tires. On a high traction surface, the higher traction levels will create more binding and noise in the driveline.

Posted

Not necessary, but sticking in 4auto isn't going to hurt anything either, if it makes you feel better. GM specifically says you can run 4auto up to any legal posted limit in the US without worry. Might come in handy. Never know. Pretty benign consequences vs potential benefits.

 

 

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