I think something major broke need help - Page 2 - JeepForum.com
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post #16 of 28 Old 07-21-2015, 09:39 PM Thread Starter
LucaTheSkunk
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Quote:
Originally Posted by Luuca View Post
Sounds to me like you have a bent or cracked flex plate.

A cracked flex plate will cause the popping sound until the crack gets large enough to separate and then it will cause the grinding sound. It will only do it under load. Tires up in the air isn't enough load to cause the stress fracture to be an issue.
ok whats the flex plate do? where is it located? and how do I check it? :3

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post #17 of 28 Old 07-21-2015, 11:40 PM
Luuca
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The flexplate takes the place of the flywheel on automatic transmission vehicles. It bolts to the end of the crankshaft and attaches to the torque converter. There is also a large gear attached, used by the starter to crank the engine.

A good read:http://www.agcoauto.com/content/news/p2_articleid/220

The only way to inspect it is to remove the engine or the transmission.

What does a cracked flex plate sound like? Read this and the replies
http://www.jalopyjournal.com/forum/t...d-like.189833/

Here is your replacement part:http://www.quadratec.com/products/52023_0006.htm

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post #18 of 28 Old 07-22-2015, 12:29 AM Thread Starter
LucaTheSkunk
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thanks man while I have the transfercase out might as well service it to XD I know where my next paycheck is going
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post #19 of 28 Old 07-22-2015, 12:37 AM Thread Starter
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well the sound isnt like a rod knock
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post #20 of 28 Old 07-22-2015, 01:00 AM Thread Starter
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https://www.youtube.com/watch?v=a_tCoL5hOqI

this is what the grinding sounds like but it does it in 2wd
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post #21 of 28 Old 07-22-2015, 08:08 AM
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Quote:
Originally Posted by LucaTheSkunk View Post
https://www.youtube.com/watch?v=a_tCoL5hOqI

this is what the grinding sounds like but it does it in 2wd
Dear God. That's not the flex plate. Transfer case over haul.

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post #22 of 28 Old 07-23-2015, 02:06 AM Thread Starter
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the guy in the video said it was a cv joint on the drive shaft?
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post #23 of 28 Old 07-31-2015, 07:19 PM Thread Starter
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well I bought a new transfer case for $150 bucks gonna see if that fixes it if it does I will disect the old one and see what went wrong
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post #24 of 28 Old 08-29-2015, 09:30 PM Thread Starter
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old transfer case makes a smacking sound when I move the drive shaft back and forth I guess thats the chain in their I just cant get the dang transfer case off got all the bolts unhooked its just stuck even tried kicking it as hard as I can and bashing it with a sledge hammer with all my force and it wont budge
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post #25 of 28 Old 11-26-2015, 10:08 PM Thread Starter
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just an update on the jeep.... it works lol the old transfer case was the issue the whole time I'm guessing the chain was the issue but new transfer case in and a good test proves to me that 2wd and 4wd are in working order
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post #26 of 28 Old 11-26-2015, 11:12 PM
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yeeeeY
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post #27 of 28 Old 11-27-2015, 02:09 AM
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Excellent... congrats!!

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post #28 of 28 Old 12-02-2015, 10:51 PM
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cool. That sounded like you had the exact same problem as me. I went through the rubicon and dusey before it got so bad. The atlas in there now won't have the same issue in the future and there is one less clunk to worry about.

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grinding , popping , rear end , transfer case , transmission

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