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Old May 24th, 2011, 10:54 PM   #1
Catnip 0_o
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Default 2H - 4H - 4L question

okay so I just bought my first 4x4 not to long ago, a TJ 02 and I thought id try out switching from 2H to 4H to 4L. Well I drove at about 20mph and switched from 2H to 4H without break and it went smoothly. Then I braked, put the veichle in Neutral, pressed and held the brake and switched to 4L and that worked out fine. Thing is, when I went to go switch back to 4L to 4H I think I did something wrong. I pushed the break pedal and stopped the vehicle, put it in Neutral and then while holding the break tried to move the shifter to 4H and the veichle made a loud noise sounding almost like gears grinding so I stopped cause I didnt want to bust anything. I ended up getting help from a friend and he kept the vehicle in Neutral, held the break down and very quickly shifted from 4L to 4H, it was successful but still made that loud grinding sound quickly.

Is this sound supposed to happen? Is there something I was doing wrong that I shouldn't have done and was the noise probably anything really serious? Thanks
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Old May 24th, 2011, 11:24 PM   #2
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sometimes even while in neutral there will be some spin from the engine transferred into the drivetrain which may have caused the noise you heard.
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Old May 25th, 2011, 07:39 AM   #3
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try switching it in park- sometimes If it doesn't want to actually go in I'll drive backwards or forwards just slightly

2h-4h should always switch smoothly. You can do that driving down the road if you'd like.
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Old May 25th, 2011, 06:14 PM   #4
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alright thanks man ill try it out
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Old May 26th, 2011, 05:43 AM   #5
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maybe try just in neutral with out the brake i was always told to have it able to move a lil bit. My truck always makes noise goin into 4l
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Old May 26th, 2011, 05:48 AM   #6
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like everyone said, 2h to 4h will usually be smooth. To go from 4h to 4l or back, I usually just keep the jeep slowly rolling. You have to move the shifter in a quick motion. There may be a slight grind but it will be ok.
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Old May 26th, 2011, 06:33 AM   #7
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Quote:
Originally Posted by Dylan View Post
like everyone said, 2h to 4h will usually be smooth. To go from 4h to 4l or back, I usually just keep the jeep slowly rolling. You have to move the shifter in a quick motion. There can be a slight grind but it will be ok.
x2
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