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Old June 12th, 2013, 11:01 AM   #1
RockyFields
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Default strange jeep problems

hey,
i have a 99 TJ with stock dana 30 and 35 axles, no lockers, 4" of lift and 33" tires. The lift is a rough country performance 2.2 lift but does not seem to have new control arms.
i bought this jeep a few months back and i am beginning to realize that it is making some strange sounds that scare me and it occasionally drives very weird
first off the sounds. when in 4 wheel drive low, it makes a scary clicking sounds that comes from the back left side of the car. initially we thought it was an axle issue but now it seems to be coming from the brakes and or suspension system in that area. my dad and i are now lost on what it may be and any information will probably help.
the second issue our jeep has may or may not be related to the first. when i am making tight turns in four low the car will occasionally jump and skip and bounce. the motions that it makes makes me think that the jeep has a front locker and the wheels are skipping because they must turn equally but they cant really slide on asphalt so they skip. but from test my dad and i have done we definitely dont have lockers.
so between driving and skipping with in 4 low and making strange clicking sounds that give me the feeling somthing is about the break, do you guys have any idea what might be going on, and how to go about fixing it? thanks a ton!
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Old June 12th, 2013, 11:09 AM   #2
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Have you pulled diff covers ?
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Old June 12th, 2013, 11:11 AM   #3
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no. dad doesnt want to because of the fluid we would loose. just the two of us are not capable of draining it effectively and refilling it afterward.
this is what my initial thought was, that something was wrong with the gearing.
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Old June 12th, 2013, 11:14 AM   #4
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If you can't change the gear lube by yourself what good is asking the internet about your noise. Take it to someone who can diagnose it and fix it
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Old June 12th, 2013, 11:18 AM   #5
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x2 on that ... It is really simple task
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Old June 12th, 2013, 11:20 AM   #6
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why are u driving on pavement in 4lo
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Old June 12th, 2013, 11:20 AM   #7
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why are u driving on pavement in 4lo
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Old June 12th, 2013, 11:26 AM   #8
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ok well none of that helped. my dad and i are working on this together and trying to learn a lot in the process. we dont want to go tearing stuff apart if we dont know whats wrong.
we want to be able to fix up and modify as much as possible ourselves instead of dropping it off at a shop and coming back in a week with a perfect offroad rig we never touched.
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Old June 12th, 2013, 11:32 AM   #9
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You're driving on pavement in 4lo and turning sharp, and it's making clicks and hops and skips? That sounds normal to me... As far as the rear noise, if you don't have an SYE and a CV driveshaft, you might have to much angle and your hearing the ujoints in the driveshaft.

Don't drive on pavement in 4lo unless you absolutely have to, and get an SYE and CV driveshaft if you don't already have one.
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Old June 12th, 2013, 11:34 AM   #10
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1. Go to store and figure out if you are able to purchase 90w gear oil and Rtv. If you cannot complete this step, skip to step 7.

2. Return home and place oil pan under differential (either front or rear and follow all steps for both.)

3. Remove fill plug. If you cannot remove the fill plug, buy a new cover before you proceed to step 4. Skip to step 7 if you are incapable of both.

4. Remove all bolts holding the diff cover in place. If you are unsure as to what you are looking at, take a picture and post it here. Moat likely somebody will be able to tell you what locker it is if it is indeed locked.

5. Clean the cover surface of both the axle and cover. Apply Rtv as directed on the tube.

6. When Rtv is set, fill the diff with previously purchased gear lube to the bottom of the fill hole.

7. Quit posting and just take it to a shop.
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Old June 12th, 2013, 01:49 PM   #11
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i had it in 4 low while driving around my yard up my hill and over some rocks. then i left it in 4 low as i pulled it in my garage and as i was turning in my driveway it skipped. thanks for the help and glad thats not a problem.
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Old June 12th, 2013, 01:53 PM   #12
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sounds like you need to learn to take it out of 4x4 when trying to turn on pavement unless it is snow covered.

Last edited by montecarlo33; June 12th, 2013 at 02:10 PM.
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Old June 12th, 2013, 03:08 PM   #13
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On pavement or any high bite surface it will skip and jump like that.
Even if it has no locker in it. If its locked it will do it even more so and you could brake something. Never turn on a high bite surface like pavement with the truck in 4WD unless its snow covered.

As for your clicking it could be a lot of things. Dose it do it only in 4 low? Or was that just when you herd it? Try driving it in 4 high in the same place and same way and see if you still here it.

Try it in 2h as well if you can.

If it dos it all the time then its likely in the brakes. If its only when you are flexing the suspension its likely in the drive line, or you are getting tire to body contact.

Good luck.
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Old June 20th, 2013, 08:32 AM   #14
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Quote:
Originally Posted by RockyFields View Post
i had it in 4 low while driving around my yard up my hill and over some rocks. then i left it in 4 low as i pulled it in my garage and as i was turning in my driveway it skipped. thanks for the help and glad thats not a problem.
He didn't say it wasn't a problem, he said it was normal, but normally, we don't drive on pavement in 4low, you can cause problems by doing so.

also, some problems can not be found without taking things apart, or at least opening the covers...
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Old June 20th, 2013, 08:56 AM   #15
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Start by getting your hands dirty. I would pull the diff covers to see what you got. You can't expect to modify or diagnose a vehicle if you aren't willing to so something as simple as pulling a diff cover. The clicking in the rear could be coming from a locker. Dig in, everybody has to start somewhere. That is the only way that you are going to learn. Go through the jeep and grease everything that can be greased, change fluids, replace any worn parts, ect... It is the best way to get to know the vehicle and build basic skills.
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Old June 20th, 2013, 09:06 AM   #16
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People around here will be very helpful until you keep asking for advice but never take the advice that is given. Post pictures with your questions also, it is hard to help out if you can't see it.
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