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Old 09-11-2016, 01:52 PM   #1
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Gearbox Question?

I bought a gearbox from a wrecker for my 1998 Boxster and I have just noticed a VW and Audi logo on the gearbox.

Please don't tell me it's the wrong one?

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Old 09-11-2016, 03:06 PM   #2
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What's the gearbox serial / part number(s) stamped on the (I think) front L/H side?? They are the numbers to indicate if you have the correct gearbox or not.
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Old 09-11-2016, 03:54 PM   #3
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The letters and numbers are CWA12127
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Old 09-11-2016, 06:25 PM   #4
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Old 09-11-2016, 07:07 PM   #5
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Quote:
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The letters and numbers are CWA12127
CWA is an early Boxster 5 speed differential. Build date Dec. 12, 1997. See the attached thread.

http://986forum.com/forums/general-discussions/62890-what-transaxle-do-i-have.html

Last edited by 911monty; 09-11-2016 at 07:11 PM.
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Old 09-11-2016, 07:32 PM   #6
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CWA is an early Boxster 5 speed differential. Build date Dec. 12, 1997. See the attached thread.

http://986forum.com/forums/general-discussions/62890-what-transaxle-do-i-have.html
Thanks for the link.

Is CWA a term used by numerous car manufacturers or just Porsche?
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Old 09-11-2016, 07:43 PM   #7
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Thanks for the link.

Is CWA a term used by numerous car manufacturers or just Porsche?
CWA is Porsche designation.
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Old 09-11-2016, 07:56 PM   #8
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CWA is Porsche designation.
That's really bizarre because when I took it to a Porsche Specialist he took one look at it and said no that's not a Porsche gearbox.

I'm gonna take it to a real Porsche center tomorrow and see if they recognize it. Mine has CWA written on two seperate parts of the gearbox but with different numbers.

EDIT: What does differential mean?
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Old 09-11-2016, 08:11 PM   #9
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That's really bizarre because when I took it to a Porsche Specialist he took one look at it and said no that's not a Porsche gearbox.

I'm gonna take it to a real Porsche center tomorrow and see if they recognize it. Mine has CWA written on two seperate parts of the gearbox but with different numbers.

EDIT: What does differential mean?
There are 3 separate components to the transaxle. 1. the bell housing this Porsche part and has the CWA on top and adapts the gearbox to the engine block. 2. the gearbox, it is the AUDI central piece, housing the gear clusters. 3. is the differential, this is Porsche piece it has the CWA on the bottom just below the gear selector and output flanges passenger side. Differential houses Ring and pinion and spyder gears. It is what allows the outside axle to travel faster than the inside axle in a turn.
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Old 09-11-2016, 08:23 PM   #10
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Quote:
Originally Posted by 911monty View Post
There are 3 separate components to the transaxle. 1. the bell housing this Porsche part and has the CWA on top and adapts the gearbox to the engine block. 2. the gearbox, it is the AUDI central piece, housing the gear clusters. 3. is the differential, this is Porsche piece it has the CWA on the bottom just below the gear selector and output flanges passenger side. Differential houses Ring and pinion and spyder gears. It is what allows the outside axle to travel faster than the inside axle in a turn.
What would CWA1245 mean?
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Old 09-11-2016, 08:25 PM   #11
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Attached is a link that has a picture by Woody that shows 2 transmissions, the left is a 97 base 5 speed and should look like yours.

S muffler on 98 base?
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Old 09-11-2016, 08:33 PM   #12
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What would CWA1245 mean?
That's a good question.... According to the Bently manual it is supposed to be a 5 digit code designating DD/MM/Y. My diff only has 4 digits CWA 0508, and is on a 98. Sunset Porsche said it was 50 from the last MY. I dunno.
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Old 09-11-2016, 09:02 PM   #13
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Quote:
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Attached is a link that has a picture by Woody that shows 2 transmissions, the left is a 97 base 5 speed and should look like yours.

S muffler on 98 base?
Thanks for the link. It looks almost identical to mine accept for the one part which I've circled in the pic below in black. I dunno if that's because he's got something attached to his.



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Old 09-11-2016, 09:19 PM   #14
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Looks like a good match except as you say for the lug you circled. In the pic I attached you can see a bulkhead/ stiffening rib running through that area.
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Old 09-11-2016, 09:35 PM   #15
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Quote:
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Looks like a good match except as you say for the lug you circled. In the pic I attached you can see a bulkhead/ stiffening rib running through that area.
Then again I found this gearbox out of a 99 and it has the same lug as mine.

EDIT: As long as Audi and VW don't use the same coding system as Porsche IE CWA12127 I should be ok

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Old 09-12-2016, 09:08 PM   #16
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I believe this will help. Let me know.

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Old 09-12-2016, 10:52 PM   #17
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Yes that's the part I was thinking of.

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