Differential service
 

This weekend I serviced the rear axle, changed oil, installed new cover and bolts. As careful as possible tried to remove filler plug. No luck. Tried extractors, stripped square wrench hole round and finally drilled plug to 1/2 inch, put in a rubber plug off a Jeep. Filled two quarts with new plunger pump didn't spll a drop. There was about two pints of grungy fluid in there at onset drained and scoured around gears with a telescopic magnet. Probably first time oil was changed in 216,000 miles. Gears looked good after all that. Sometimes it's the little victories. Next guy can torch out the remains of the plug. Next stop front diff.

You said it! Little victories lead 2 winning the war lol... I 2 am going 2 change the rear axle oil/fluid this weekend along with the front diff fluid :)

Good luck! I bought a plunger oil transfer thing kept the mess to a miniumum. Front diff required it on my Blazer.

What year is your Blazer? I have a 98...

We have a very early 1995 4wd 4door.

I use vinyl hose connected to the tip on my oil bottle to fill rears and gear boxes with fill holes in the side. Works pretty good for cheap.

I agree, I picked a hand pump thing that tightens onto the bottle of gear oil and it pumps it right into whatever you want pretty much... I think it cost me around $9 or $10 bucks at Auto Zone.

I go through enough gear oil that it makes sense for me to have a couple of these. They make it super easy.

https://cimg7.ibsrv.net/gimg/blazerf...791f8a91bc.jpg

Wow, you aren't kidding, a 5 gallon bucket... Nice little set up there.