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Old 01-01-2013, 09:28 PM   #1 (permalink)
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but my 2011 Santa Fe AWD does not seem to like being in the rain, and tends to hydroplane often. HOWEVER it seems to NOT do that when I have the AWD LOCK button engaged. Now I know that the AWD LOCK function is only effective at slower speeds when it is actually engaged, but what else might be affected by this setting that is making the vehicle much more steady in the rain - or is it just me?

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Old 01-01-2013, 09:37 PM   #2 (permalink)
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Welcome to the forum, Scootermike

It's probably just you. AWD LOCK can improve traction when accelerating aggressively from low speed, but it does nothing to control hydroplaning when you're already underway. The only solution for that is to slow down when it's wet, and/or get better tires. Michelin Hydro Edge and Goodyear Aquatred work well in wet conditions.

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Old 01-02-2013, 08:49 AM   #3 (permalink)
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thanks! yeah I have my eyes on the Toyo Open County HT (that I used to have on my Durango) and with a hair over 31k mils so far, those tires are in my near future - these stock Kuhmos suck.
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Old 01-02-2013, 10:50 AM   #4 (permalink)
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I second that it is probably more of an actual tire issue then it is anything else. The AWD lock automatically disengages after 25 mph, so it should be doing anything.
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Old 01-02-2013, 10:53 AM   #5 (permalink)
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Well, you do have (4 tires) with twice the rubber patch contacting the ground with AWD lock on, hence better traction, but this might not help much if you start to hydroplane. Either way, I think any tire would be better then these Kumho's
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Old 01-02-2013, 11:37 AM   #6 (permalink)
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Awd/4wd only helps with accelerating - it does absolutely zilch for braking, cornering and hydroplaning - for those you're entirely dependent on your tyre contact patches.
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Old 01-02-2013, 11:52 AM   #7 (permalink)
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hydroplaning takes a **** of a lot of speed.. were talking fast inorder to get ontop and float on the water..
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Old 01-02-2013, 12:01 PM   #8 (permalink)
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Quote:
Originally Posted by AlpineRyder View Post
hydroplaning takes a **** of a lot of speed.. were talking fast inorder to get ontop and float on the water..
Or really bad tires with no tread left.
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Old 01-02-2013, 12:49 PM   #9 (permalink)
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Can't imagine either of the OEM tires having much left at 31,000 miles. Probably a major contributor.
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Old 01-02-2013, 01:37 PM   #10 (permalink)
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Quote:
Originally Posted by Ruperts Trooper View Post
Awd/4wd only helps with accelerating - it does absolutely zilch for braking, cornering and hydroplaning - for those you're entirely dependent on your tyre contact patches.
Are you saying there's no engine braking with 4WD, or 4WD lock on those tire patches?
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