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Old 03-14-2010, 12:51 AM   #1
mike739wrx
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Default 04 sti drivetrain swap into 03 wrx please help!!!!

04 sti drivetrain swap into 03 wrx wagon..

-ok so i got everything out sept for the rear lower control arm bolts, the ones that are long like 3 to 5 inches.. they are just stuck in there and will not budge.. my tuner said to spray the **** out of them with wd40 and pb blaster and to work it back and forth.. he said the bolt gets seized in the knuckle where it goes through the bottom..

secound problem.. got the sti trans up on the trans jack and for some reason it will not budge into place.. we took the two bottom bolts that you line up out and were just gona put them in after lined up.. im not to worried about this problem im sure it just needs more messing around with..
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Old 03-14-2010, 04:21 AM   #2
iht
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use a really long breaker bar with a pipe to extend it. apply weight to the bar and have someone with a hammer tap on the same bar. I used a 1.5 foot breaker bar with a 2 foot pipe. And try and place it so that you can use your full body weight pushing down. and Don't hold near the bottom of the extension or push down with a open hand using your palm. that way if something breaks you won't smash your hand onto the ground.

The two bottom are useful. they help line up the tranny.

One thing would be check to see is if the engine and tranny bell are lined up and the gaps are about equal with the other top and bottom and left and right. The engine should lean forward toward the rad. This is bacause the engine mounts are near the back. If you have a floor jack use it to jack the engine up again so the tranny pitch doesn't have to be as extreme when installing.

Third put the tranny into gear and spin the shaft a little to try and line up the tranny input shaft with the clutch disk.
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Old 03-14-2010, 08:10 AM   #3
25rsti
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those bolts that your talking about need to be replaced. do not re-use them. they're a little expensive (i think $20-30) but subaru reccomends replacing. either way your call.
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Old 03-14-2010, 02:48 PM   #4
SLVRBUGEYE
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soo we decided to just buy new rear control arms from jsc speed, im taking a ride up there tom to buy them.. im goin with the whiteline ones..after this everything should go smooth.. we havent messed with the trans yet today and since its not gona be done today im prob gona put the rest of the **** in later..
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Old 03-15-2010, 02:28 AM   #5
nissaneng
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the bottom two bolts on the tranny are actually studs, I would recommned re-installing them, then line the transmision up on those, then you can use two of the longer bolts in the top of the bell housing to pull the transmission onto the engine, this has worked well for me twice, just make sure you aren't applying much force to the bolts, if you are, stop and make sure you have the input shaft aligned, then put the two nuts on the bottom two studs, and cross tighten the four bolts to pull the tranny all the way onto the engine, and be prepared for the usual amount of frustration
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Old 03-15-2010, 07:17 AM   #6
talvai
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For transmission when you bolting it back up make sure tranny and engine are lined up, because when you remove tranny engine will lean forward which will make it impossible or close to it to put back. So what I did was get spare tire jack from the trunk of the car and jack the engine by the cross pipe in the front. This lifted the front making the line up much easier and it just slid right in.
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Old 03-15-2010, 03:36 PM   #7
kpluiten
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Quote:
Originally Posted by 25rsti View Post
those bolts that your talking about need to be replaced. do not re-use them. they're a little expensive (i think $20-30) but subaru reccomends replacing. either way your call.
Agreed. Sometimes these bolts come out easily, but other times they bend during use (many years) and cutting them is one of the only ways to get them out.

They rust like crazy too.
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