Forester_Ranger Posted August 31, 2005 Share Posted August 31, 2005 My rear diff has 2 plugs. the top I assume is for checking and topping off. and the bottom one is to drain. But how do I remove the plugs? Is there a special tool to remove the plugs? It is like an allen nut but is square with only 4 sides. Link to comment Share on other sites More sharing options...
Adnan Posted August 31, 2005 Share Posted August 31, 2005 Hi, In the past, I have used what is called "key stock", which can be found at most hardware stores. These are small pieces of square hardened steel bar stock and come in a few standard sizes. Hopefully, one will fit. Then, simply apply an open-end wrench and turn. I know of others (on non-Subaru vehicles) where the square drive of a ratchet will do the trick. You may have to improvise by using shims if the fit is not tight enough. Whatever you do, please open the filler plug first, not the drain plug. Regards, Adnan Link to comment Share on other sites More sharing options...
tcspeer Posted August 31, 2005 Share Posted August 31, 2005 I remove mine with a 1/2 in. drive breaker bar. The fit is not as tight as it should be but I get it out. That is a good suggestion from Adnan about removing fill plug before drain plug. Link to comment Share on other sites More sharing options...
subyrally Posted August 31, 2005 Share Posted August 31, 2005 any garage will just use a breaker bar with a 1/2" drive... i think thats what the fsm says too. you WILL need a breaker bar, ive done pull ups on breaker bars trying to get the plug out. Link to comment Share on other sites More sharing options...
Forester_Ranger Posted September 1, 2005 Author Share Posted September 1, 2005 ok i'll try 1/2" drive, thanks. Link to comment Share on other sites More sharing options...
KStretch55 Posted September 1, 2005 Share Posted September 1, 2005 1/2" breaker is the standard tool, as far as I know. Here's a tip, too. There's really no need for them to be "gorilla" tight. Just snug. Some teflon tape on the threads aids removal the next time and helps reduce the dribble that results from capillary action of the oil seeping through the threads, too. Link to comment Share on other sites More sharing options...
Sweet82 Posted September 1, 2005 Share Posted September 1, 2005 1/2 is what I used. Link to comment Share on other sites More sharing options...
BigMattyD Posted September 2, 2005 Share Posted September 2, 2005 1/2 inch drive breaker bar, of course, but also remember to jack up the car as high as you can. That way, You can get enough leverage to break the cap loose. It takes a lot of force. Jack stands work, but a real lift would be ideal. I wish I had a lift and a big garage. It would make life so much easier... Matt Link to comment Share on other sites More sharing options...
NoahDL88 Posted September 2, 2005 Share Posted September 2, 2005 don't be discouraged if it is really hard to break it loose, with a steel plug and an aluminum cover, they seem to like to corrode together. Link to comment Share on other sites More sharing options...
MiniTransAm Posted September 2, 2005 Share Posted September 2, 2005 Soak the plugs down with pb blaster or something similar before trying to break em loose. Makes it much easier. Link to comment Share on other sites More sharing options...
kevinsUBARU Posted September 2, 2005 Share Posted September 2, 2005 beer ....and a 1/2" drive Link to comment Share on other sites More sharing options...
Adam N.D.J. Posted September 2, 2005 Share Posted September 2, 2005 during the winter time, when I do a lot of wheeling out in the mud and ponds, I have to change my diff fluid a couple times a month, so it's a standard procedure for me: 1/2" impact.. BRAAP, and it's out. Going in, finger tight plus one turn. Link to comment Share on other sites More sharing options...
BigMattyD Posted September 2, 2005 Share Posted September 2, 2005 Remember not to drink too much beer when working on your sweet-rump roast Subaru. You might make a mistake and forget to put the drain plug back in before you start to refill it, or you might drop the car on your chest... OUCH!! I love beer, and I love working on cars and motorcycles, but I try not to do too much at the same time. If I am going to drink a little.... I will be ok as a mechanic. If I am going to drink a lot... Well, let's just put those tools away before someone gets hurt. Matt Hee Hee! P.S. I already had 4 beers, so I will not work on the subaru, but I am going outside to work on the 1982 Suzuki GS450. Link to comment Share on other sites More sharing options...
Forester_Ranger Posted September 4, 2005 Author Share Posted September 4, 2005 Got the diff Oil changed. No probem getting fill and drain plugs out with a 1/2 drive. But I noticed I had quite a bit of grey sludge on the magnet. Is this normal or should I be concerned? Link to comment Share on other sites More sharing options...
subyrally Posted September 4, 2005 Share Posted September 4, 2005 Got the diff Oil changed. No probem getting fill and drain plugs out with a 1/2 drive. But I noticed I had quite a bit of grey sludge on the magnet. Is this normal or should I be concerned? thats normal, ive never seen a diff with out the shavings/ mush. Link to comment Share on other sites More sharing options...
BigMattyD Posted September 4, 2005 Share Posted September 4, 2005 I get a fair amount of metal particles on the magnet when i remove it. I think it is ok. Matt Link to comment Share on other sites More sharing options...
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