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Old 08-11-2013, 02:57 PM   #1
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Xfer case fluid flush done, but...

It is good to listen to those with lots of experience here (or elsewhere) when performing maintenance on your vehicle. When (the one who know / are smart) tell you to remove the fill plug first...listen!!!

I could tell that someone else had "attempted" to change the fluid before on my sons jeep. I would take the buggered up hex nut as they failed. Especially since my 10mm hex head socket was a 3/8" and I had to put a 3/8" - 1/2" adapter on it and use my 18" breaker bar to get the fill plug to loosen. At 5'11" and 205lbs, I had to put everything I had to get it to budge. The fluid was NASTY old.

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Old 08-11-2013, 07:38 PM   #2
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Just did my transfer case this weekend. Same issue, the fill plug was really stuck. Someone here turned me on to to BP Blaster. Let it soak for a day and I won't say it was easy, but it did come off. I feel so much better now it's done! I don't know where that stuff was all my life!

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Old 08-11-2013, 08:18 PM   #3
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If PB Blaster is 10X better than WD-40 or plain lubricating oil, KROIL is 20X better than PB Blaster. KROIL = "creeping oil". Cano labs says it will penetrate into 1 millionth of an inch. I don't know it it will do that or not but some of the things I have used it on have deeply impressed me.
The last tough job I used it on was a stripped/broken off flush, tractor gas tank fitting. I sprayed it, tapped in an easy out, and it walked right out. Prior to that it was a sewer pipe cleanout fitting that had not been removed for 25+ years. I sprayed it twice with an hour between each, and it unthreaded without issue but it was tight the whole way.
Good thing you guys got that fill plug out ok as stripped alum. is a bear to helicoil. Especially something that you cannot drill out without shavings getting inside.
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Old 08-11-2013, 08:52 PM   #4
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x2 on kroil
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