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Changing Transmission on 91 Legacy 4WD
Posted 08 September 2001 - 02:12 PM
Usually, a male thing from each axle plugs right into the female on each side of the tranny, but mine already have two of these male things sticking out. Am I suppose to pull them out and put them on the new tranny? What's the procedure? Or am I talking about two different trannies?
My tranny is female from the axles to male on the differential. Others are male from the axles to female on the differential. And the new(used) tranny is like others, not like mine.
Help, I'm very confused and for the time being, I haven't bought the new(used) tranny yet. I won't buy it until I know it fits my axles without spending too much $$$ for other costs.
Deer season, I guess I won't be able to enjoy it.
Posted 08 September 2001 - 08:37 PM
Posted 09 September 2001 - 02:24 AM
Anyway, I was able to unscrew what is like a BIG cap screw that they bolted the internal halfshaft/axle to the differential housing and then I know now that the tranny at the junkyard is the right one. They must have taken out both whole axles. The two holes on each side confused me, but once I unscrew mine out, it looks just like the one at the junkyard.
The trick to unscrew this BIG cap screw (that's what I call it, I'm there is a name for it although I don't know) is to use a punch tool and punch your way (on the many wings or whatever you call them, excuse my non-professionalism here because I don't know all the terms) to unscrew that sucker out. If you punch it counter-clockwise, you are unscrewing that thing out. If you punch clockwise, you are tightening that sucker more. The trick is to punch it to the left or right (depending if you are unscrewing it or tightening it) and not directly or straight on to the BIG screw.
The motorcycle jack did some wonder by supporting and lowering down the tranny easily. The hard part is to get the tranny separated from the engine, there's some patient needed there.
I almost got a broken nose. I was working under the car trying to unscrew the drive line and when it was off, supporting only by the exhaust pipe, I wasn't careful enough so I pushed the exhaust pipe to the side and down came the drive line and hit me right on my eyebrowse area. I saw several stars (ehhehehhee...) and now it's swollened. It's not too bad, though. If that thing hit me on my nose, I'm sure it's worse and I may have gotten a bloody nose for sure. Anyway, it's just a lesson to learn. I'll be smarter next time.
I will keep you all posted as the project progressed. Sorry about the language. Hope everyone understands the picture I am trying to paint here.
Still thinking about hunting, of course! LOL.....
Posted 09 September 2001 - 07:07 AM
Also, you do have to make sure the gear ratio is the same, the easiest way is if the tag is still on your rear diff( will be something like 3.90 or 4.11) this needs to match the tag on the rear diff of the car that the new tranny came out of.
I think(but have nothing to back it up)on the top of the bell housing of the tranny's there is a sticker that has a number then a dash and two letters, the two letters (I believe) are for the gear ratio, so if both of the trannys' have the same last two letters, they are probally the same gear ratio.
If not try to get the rear diff out of the 45k car, as then they'll match and have low miles on most of the drivetrain.
Posted 09 September 2001 - 10:04 AM
Tell me if I'm correct or wrong.
Posted 09 September 2001 - 04:43 PM
Let me know how it goes,
Posted 09 September 2001 - 10:04 PM
Posted 10 September 2001 - 04:54 AM
Sorry I'm not to much help in this area, but I haven't seperated an trannys myself, the one time I needed it done I had a Tranny shop swap the front diff from my SVXs original tranny on to a Legacy tranny I got to replace it,(the SVXs are the only Subaru to run a 3.56:1 ratio) so it would match the SVX rear diff(which is a limited slip rear diff, which are hard to come by for a Legacy)
Does your old tranny still have the sticker?
If it does, write the number down when you go to pick up the tranny, and also see if your rear diff still has its tag, if it does write that down also(you can never have to much info)
I've got a 3.90:1 rear diff laying around if that happens to be what you need.
If you don't care post the numbers here and I'll see if I can find out anything on them.
Hopefully the new tranny will be the same as your old tranny.
Posted 10 September 2001 - 09:41 AM
According to the seller, the tranny at their place came off a hatchback Legacy (is here such thing?). Mine is a sedan, so if there is any difference at all, this may be the differential's differences that come into play.
Do you think a shop migh be able to rebuild my old one for less than $400? If they can, I guess because of uncertainty of differential gear ratio on the new tranny, I may choose to go that route instead.
Posted 10 September 2001 - 09:58 AM
What is a typical price for rebuilding a tranny anyway? Why are some shops charge so much for even rebuilding it? It's almost like a new one. Incredible!
Thanks for hearing me spilling out my guts...
Posted 10 September 2001 - 10:50 AM
Thats why we shade tree mechanics just swap in a low milage one and hope for the best
As for finding teh gear ratio. A dealership should be able to find out if you can get enough numbers from the tranny. There should be a tag or plate on it with serial numbers and part numbers. Write them all down and call a dealership willing to help you out.
Posted 10 September 2001 - 02:40 PM
Let me know what these mean.
Posted 10 September 2001 - 03:19 PM
Where are you located?
There's not many Subi nuts around here mostly just me.
Posted 11 September 2001 - 09:21 AM
I know this post is about automobile, but I just want to tell everyone that I'm deeply saddened by what just happened today at the World Trade Center, Pentagon, the White House and the mall. We must come together and make it through this whole thing.
Posted 12 September 2001 - 04:44 AM
Did you check to see if the yard still had the original rear diff, or at least check to see if your rear diff still has its tag? If it did what did it say?
Posted 12 September 2001 - 09:35 AM
Anyway, I finally decided to just buy it and I did yesterday. I tried putting it on, but I put in the plate wrong, I didn't do the 1-2-3 clicks/snaps so I had to take it down again. A friend told me I have to turn it whichever way until it clicks/snaps three consecutive times. I was able to make it clicks/snaps the first time, but never after that no matter whichever way I turned it.
What is the exact procedure on doing this 1-2-3 steps? I tried it on my old one with successful several times (all the 1-2-3 clicks/snaps), but afterward, I wasn't able to anymore. I wonder if there is a certain way I have to do it. I was working late into the night last night trying to get it to work. Unfortunate, I wasn't able to at all especially on the new tranny.
Posted 12 September 2001 - 01:40 PM
Maybe the Torque Converter?
I'm not sure about what you need, I'll help if I can.
Posted 12 September 2001 - 01:52 PM
Posted 12 September 2001 - 03:16 PM
I'd try working with it some first, always keeping a little inward pressure on it. If that dosn't work reach in with a pair of needle nose pliers and pull out the sleeve.
Once you get it in all the way, it's not a bad ideal to run a string through on of the T.C. bolt holes and tie it back so it dosen't slip back out while ou're tring to put it back up in there.
Hope this was what you needed to know.
Posted 12 September 2001 - 03:33 PM
I am in TN and was surprised to see the reference to Duff's. I used to live in that town - grew up there. Went to high school with guy now running the dealership. What a small world. Have/do you get your cars repaired there? I am always amazed at how many subarus I see when I go back home - they have a good dealership as about 1/4 of the cars in the town seem to be subarus!
Sorry I can't offer any advice on the tranny. Duff replaced mine last fall with a used one. I am not wild about the tranny I received, (slow shifter - really slow) but not their fault.
Just wanted to say hey.
Posted 12 September 2001 - 03:43 PM
Nice to meet ya!
I don't have Duff's do any repai work for me as its about 2 1/2 hours away. I went to a SVX meet in OAk Ridge this past spring and Duffs was the sponser, got to meet several of the employees( it's hard to find a SVX friendly dealer) and 2 of them owned SVXes! I was suprised to see how small an operation they had, I guess that why they are so friendly. huh.
Well if you're up this way, look me up and we'll talk Subaru's!!
I'm in Somerset, KY near Lake Cumberland.
Posted 12 September 2001 - 11:52 PM
I thought I was going to just rotate the engine and see if I could get to set in. Turning the engine was so hard, then I think I may have damaged the component inside the tranny and now I can't get the TC to go all the way into the tranny. I had no problem getting the TC to get all the way in on my old tranny, but with this new tranny, because of what I just said above, I think I screwed it.
It's not so hard on my old tranny trying to put this TC all the way in the tranny. But with this new tranny, man, I tried like hours without going into the second click/snap. I could go only as far the first click and it has to go three clicks/snaps before the TC is all the way in.
I'm thinking of taking back the tranny to the selller and have them do it. If they are not able to do, they will assume there's a problem with it and will have no choice but to refund my money. I hope this is the case.
I haven't try the technique you mentioned (standing up the tranny on its tail.) But I assume if I screwed up the inside component, it wouldn't work no matter how I try it.
Unfortunately, I don't have anyone to help me, so I'm doing this all by myself and I might have done something wrong and I'm not aware of. That's the nature of 'One Man Gang'.
I'll keep you posted.
Posted 13 September 2001 - 04:47 AM
You might want to try that before you take it back to the seller.
Posted 13 September 2001 - 09:13 AM
Thanks for your help all along the way. I'm sure I couldn't even get to this point without all you guys' assistance, tips and tricks.
Posted 13 September 2001 - 09:42 AM
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