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Old 07-14-2010, 10:35 AM   #1
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Pinion Seal & Bearing (Expert Opinion Needed)

Sunday my rear pinion seal went and blew gear oil everywhere. It only lost fluid to the bottom of the seal. The rear end was hot when I got it back to my house from a couple mile drive at 30mph. I cracked open the diff and drained the oil out. There is fine and I mean fine fine metal pieces in the oil in the bottom of the diff, not shaving like a damaged gear. I have no idea when or even if the diff fluid has ever been changed. Jeep has 130,000 miles on it and i've owned it for the last 50,000. There seems to be no damage to any of the gears but the pinion moves up down left and right. Any guesses as to the complexity of this problem. A lot of the people I have spoken with suggested finding someone who really know what they are doing to fix it. What are some ways to tell if there is damage or warping to any of the internal components? Any help is greatly appreciated!!!

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Old 07-14-2010, 11:44 AM   #2
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Quote:
Originally Posted by 98TJ View Post
Sunday my rear pinion seal went and blew gear oil everywhere. It only lost fluid to the bottom of the seal. The rear end was hot when I got it back to my house from a couple mile drive at 30mph. I cracked open the diff and drained the oil out. There is fine and I mean fine fine metal pieces in the oil in the bottom of the diff, not shaving like a damaged gear. I have no idea when or even if the diff fluid has ever been changed. Jeep has 130,000 miles on it and i've owned it for the last 50,000. There seems to be no damage to any of the gears but the pinion moves up down left and right. Any guesses as to the complexity of this problem. A lot of the people I have spoken with suggested finding someone who really know what they are doing to fix it. What are some ways to tell if there is damage or warping to any of the internal components? Any help is greatly appreciated!!!
Here is your answer. If you need a second opinion, I am sure most people here will tell you the same thing.
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