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Old 09-25-2020, 02:17 PM   #1
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All Wheel Drive:

2019 Jeep trailhawk, I had to sign a disclosure statement that the wheels could not be chained up, along with all tire had be same size and type. No comment as to why? Anyone have some input as to why.
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Old 09-25-2020, 03:27 PM   #2
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Because of the all wheel drive more then likely.
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Old 09-25-2020, 03:36 PM   #3
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If you just chain up either front or rear tires, circumference on those tires could change slightly, this will mess up various systems on your car that rely on the turning speed of each wheel. Also the reason all 4 tires must be the size on a 4 wheel drive vehicle.
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Old 09-25-2020, 10:04 PM   #4
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You had to sign a disclosure agreement? With who did you have to sign that agreement? Sounds like some BS to me. Read the vehicle operators manual and see what it says about "recreational towing"
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Old 09-26-2020, 05:42 AM   #5
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AWD & 4WD systems mean At least 1 tire on each axle could be applying power at the same time. If the tire size is different or chains it other reason causing different circumference that means the wheels turn at different speeds.

This is bad as the drive system - gears, transfer case, etc - are attempting to spin in sync. If not in sync then something will slip it bind. That can lead to damage.

Now some will say what happens while turning - the wheels can go at different speeds. This should be OK but also a reason turning radius would be larger when AWD or 4WD is active.

Edit: also regular tire rotation is needed to ensure even wear.
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