4wd button, distances and speed limit? - JeepForum.com

 
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post #1 of 9 Old 08-17-2010, 05:39 PM Thread Starter
compasser
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4wd button, distances and speed limit?

Hi
in compass semi-automatic 2007 2.4 gazoline there is automatic 4wd switch in time it slips, but there is another button near the side brake and you could lock the 4wd to be always on.

1. the question it, can this be switched on-off while the car is moving?

2. is there any distance limit? like how many km or miles max car could be driven with on 4wd button?

3. is there any speed limit while driving with the 4wd button on?

the dealer said I dont know and in the usermanual nothing is written as far as I read in it.

thanks

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post #2 of 9 Old 08-17-2010, 05:49 PM
dest
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This is from the dealers website for a 2010, but it should be the same as yours.

"The four-wheel-drive “LOCK” mode is recommended for deep snow, deep sand and other low-traction surfaces."

So my guessed answers:
1. Yes
2. Infinite as long as your on slippery surfaces.
3. As fast as you feel like driving in those conditions.

It must say something in the manual though.
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post #3 of 9 Old 08-17-2010, 07:13 PM
Gramps
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Here is the low down on the system.

http://www.jeepforum.com/forum/f98/h...-works-512380/

Bob

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post #4 of 9 Old 08-18-2010, 03:24 AM Thread Starter
compasser
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thanks dest. the manual which I have is in finnish and nothing mensioned about this just few words explainging what the button is.

finnish winter is horrible and in city center streets are like glass so slipery and on high ways alot of snow can be even high. -30c our winter is. so we use "stud winter tyres"
I even wonder if esp on is ok or much better to leave the 4wd button always on.

gramps thanks for the link
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post #5 of 9 Old 08-18-2010, 09:04 AM
miketmx
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Leave the ESP ON and the 4X4 Lock OFF unless you are stuck in very deep snow.
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post #6 of 9 Old 08-18-2010, 11:07 AM
Gramps
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I leave the ESP on and also use the 4 wheel lock on all but dry pavement in the winter. My driving isn't so much "in town" as it is slowing down for turns and stops. Some of the stops are completely iced over because of the other cars melting the snow and then it instantly turns to ice making for that "low traction" condition. Also there are numerous patches of snow, snow drifts and other low traction conditions. Since the 4 wheel lock "disengages"at about 30 mph or so I see no need to turn it off, it just goes back to the default AWD and will vary back and forth as needed. These use a viscous coupling and they are not as susceptible to damage being used on dry, hard pavement as are the transfer case type of 4x4 units.

Bob

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post #7 of 9 Old 08-18-2010, 03:44 PM Thread Starter
compasser
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Thanks guys for the answers. I might try both actually it depends on the weather last winter was the worst for the last 50 years and the coldest.

lets say I am spending over all avg 10.5 L per 100km, would it cost much more to have it with the 4wd on? or not that much?
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post #8 of 9 Old 08-18-2010, 05:27 PM
Gramps
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Since I only run it in 4 wheel lock when it get cold and icy I just can't say. The mpg (lpk) always drops when it get cold any way.

Running heaver oil also affects mileage too.

10.5 liters/100 km = 22.4013889 miles/gallon(US). Not bad at all. That's about what I get and I think it's a good average. I have heard of higher but it does depend a lot on conditions.

Bob

Artificial intelligence is no substitute for natural stupidity

MK Skid Plate fasteners for sale posts 68 & 69

Also visit me at Photobucket
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post #9 of 9 Old 08-19-2010, 12:20 AM Thread Starter
compasser
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That was the summer avg with the 95 gas when i had 98 gaz it was 9.5L
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