4x4 lock max speed? - JeepForum.com

 
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post #1 of 13 Old 04-21-2012, 02:05 PM Thread Starter
xjonathx
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4x4 lock max speed?

hi all, im a new owner of a jeep patriot 2009 north edition, 5 speed manual. i asked to different jeep dealer and got 2 different anser...
my question is, whats the max safe speed u can drive with the 4x4lock engaged? one dealer told me u can use it anytime and at anyspeed... he said if your on highway and it start to rain, just put the 4x4 on... the other one told me dont use it over 85km/h..

kinda confused and dont want to test the 4x4 at 120km/h

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post #2 of 13 Old 04-21-2012, 02:52 PM
Coasty161
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IIRC its around 35mph or under...there is not really a reason to use it in the rain since the 4x4/awd feature is always on.

Go to www.jeep.com and download a owners manual if u don't have one. It is stated in the manual for sure.

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post #3 of 13 Old 04-22-2012, 09:52 AM
FujativeOCR
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My 2011 Latitude....albeit with the CVT, says 4wd can be engaged at any time at any speed.
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post #4 of 13 Old 04-22-2012, 04:25 PM Thread Starter
xjonathx
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i heard i didnt have the fd1 cuz my patriot is 5speed manuel, and it was only fwd until i pull up the 4x4lock.
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post #5 of 13 Old 04-22-2012, 05:09 PM
Coasty161
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Read page 268 in the manual. It says u can activate at any speed. If u have 4x4 u either had FD1 or FD2, since u have a manual u have FD1 if equiped with 4x4.

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post #6 of 13 Old 04-23-2012, 07:24 AM
IRSmart
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any speed you can engage it in. your jeep is always in some form of 4x4, but most of the time almost all of the power is going to the front wheels.
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post #7 of 13 Old 04-24-2012, 02:52 PM Thread Starter
xjonathx
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thanks for the information. i had the chance to test it in snow yesterday and it runs pretty good without 4x4locked. but im wondering if its normal the esp light is flashing when it spins on snow?
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post #8 of 13 Old 04-24-2012, 03:00 PM
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Normal if ur giving it gas and the wheel(s) start to slip.

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post #9 of 13 Old 05-02-2012, 09:42 PM
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Quote:
Originally Posted by xjonathx View Post
but im wondering if its normal the esp light is flashing when it spins on snow?
yes, thats normal. it just lets you know that your wheels have lost traction and the AWD system is kicking in.
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post #10 of 13 Old 05-04-2012, 03:14 PM
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I drive a Compass but it should be the same; I thought that the manual said something about how it can be used at any speed, but it's either not recommended or it automatically shuts off when you're going over 40 MPH. I've heard that the manual has some inaccuracies, though...

With regard to ESP (skid protection), the manual recommends disabling it if you're in a situation where the wheels may need to spin excessively (such as if you're stuck in snow). It detects if one wheel is over-spinning relative to the others and cuts power to it (possibly also applies brakes to it?).
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post #11 of 13 Old 05-06-2012, 07:44 PM
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WingedScapula, I think what you are refering to is the "off" mode for the TC. Some turn traction control all the way off when four wheeling, BUT, the system automatically re-engages when vehicle forward speed reaches 35mph. Often too fast a wheel spin will also turn the TC back on so it can do its job correctly.

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post #12 of 13 Old 05-07-2012, 06:51 AM
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You can turn it on at ANY SPEED but it's real purpose is to get you started up in deep snow, sand and other poor traction conditions. So it's primary purpose is for below 35 mph, after that the computers take over and deliver the proper amount of power needed for each wheel. Under normal driving conditions you want to leave ESP ON.

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post #13 of 13 Old 05-07-2012, 07:01 AM
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PPL really need to read this if they haven't. It's worth your time. http://www.jeepforum.com/forum/f98/h...-works-512380/

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