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Old 09-26-2019, 02:39 PM   #1
CAPT_BLOTTO
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I have an AW71 that I believe is from a 940 but it may have been swapped. I don't know all the history of it. I put it in my 92 240 and was buttoning everything up. The driveshaft seems to be a little short. Maybe it was late and I'm just crazy. But would a 940 have a different tailshaft length than a 240? If so I should be able to just swap housings right?
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Old 09-26-2019, 02:42 PM   #2
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The drive shaft is a different length. You need the drive shaft from the 240, complete 2 piece setup.
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Old 09-26-2019, 09:51 PM   #3
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Or at least the front half of the drive line from a 240.
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Old 09-26-2019, 11:24 PM   #4
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Well I’m using the drive shaft that was already in my 240. Which had an automatic.
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Old 09-27-2019, 12:13 AM   #5
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That makes no sense at all, all AW70/AW71/AW72's are the same length.

Any pictures of the trans out of the car? did you take the DS off the car at all during this swap?
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Old 09-27-2019, 09:09 AM   #6
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That's what I thought but maybe I didn't know if there was some weird late change other than the bushing bearing change. Driveshaft was just unbolted from the trans. And I don't think you can put the mount bracket on wrong. I'll take another look. I'm sure its just me.
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Old 09-27-2019, 06:55 PM   #7
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They are absolutely the same length. It’s something you are doing wrong.
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Old 09-28-2019, 12:55 AM   #8
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Okay, I'll ask... is it (allegedly) a foot short, or 1/16"?
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Old 09-28-2019, 02:18 PM   #9
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There's no chance that this may've been an Aw55 or a Bw55? That's about the only way it'd be shorter.

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Old 09-28-2019, 07:42 PM   #10
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I keep re-reading this and am still puzzled... wha happen???
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Old 09-29-2019, 05:13 PM   #11
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Well... the driveshaft is 2 pieces (otherwise there's no way to replace the center bearing), connected with a splined section. Any chance it was compressed when removing, and the skanky old spline grease is sticky and doesn't want to let it re-extend?

Splines:
https://www.youtube.com/watch?v=L5_4u5M3Ct8
0:24 - 0:30
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Old 09-29-2019, 09:49 PM   #12
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Hmmmm..... OP has a sh!tty old 240 that he pulled an automagique out of....

Fifty cents in a bet says the engine mounts are junk as either they have just been replaced or are broken.
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Old 09-30-2019, 09:57 AM   #13
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Actually engine mounts are brand new. I tried it again this weekend and it was fine. I think the other day it was just late and in the dark, and my tired brain got the best of me. It bolted up fine this weekend.
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