Not Ranked
OK, I realize that I'm just a tad late with this (13 years or so) but I found a simple workaround for removing the square head drain plug. I replaced my diff fluid today and needed to pull the drain plug. I read this thread first and was aware of the issue with the square headed plug. Not having any 4 or 8 point sockets, I poked around in my drawer of half in drive sockets and discovered that you place a 19/32nds socket backwards on a 4' extension. This leaves you with a 1/2 inch drive square hole on either end. I clipped a long ratchet into one end and stuck the other on the square headed plug, which came out easily.
The trick is having the 19/32 socket. Hell, I had three in my little drawer of sockets. I can't find a full set of any normal sizes, but I had 3 of the crappy ones. BTW - I used the Moroso climbing gear lube and 2 bottles of GM additive, and a short test drive (5 miles) showed no clunking in the rear end. Fingers crossed...
Ron
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The old saw says ‘If you want a thing done right, do it yourself.’ The true statement is ‘If you want it done your way, do it yourself.’ There are many flavors of ‘right’.
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