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Old 01-18-2019, 07:50 PM   #1
Boxer112
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ISM

Default Carbon Driveshaft install

Anyone have any good videos or pointers on installing a carbon fiber driveshaft on a 17 Sti?


Iíll do the installation myself. I have access to a lift and power tools at my job.
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Old 01-19-2019, 11:45 AM   #2
Charlie-III
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Silver Sleeper BK, 5MT

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A search may yield different info, but, off the top of my head.......

Jack car up (rear a bit higher to limit trans lube leaking out).
Drop exhaust (I usually do at donut, have a new donut and spring bolt kit).
Drop long tunnel heat shield.
Drop cover under driveshaft (DS) at rear diff.
Remove bolts for DS at rear diff.
Remove bolts for DS center bearing.
Pull DS out.
Install CF DS in reverse order......leaving center bearing bolts out (most CF DS I have seen are solid from trans to rear.....no center bearing....).
Done.
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Old 01-19-2019, 09:00 PM   #3
Boggie1688
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Man... If ur asking for a video to pull out a drive shaft you should probably just walk away.

Pretty easy and straight forward. Look at what's in the way, start unbolting stuff until you can take the driveshaft out. Done.

If you a stock mid pipe you probably gotta drop it. Aftermarket pipes can be disconnected to let it tilt at an angle and make space. Remove shielding, unbolt the carrier bearing, unbolt the shaft from the diff flange, remove shaft. Simple.
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Old 01-22-2019, 09:17 PM   #4
JarHarms
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I would also add to the above:
1)Likely the rear diff bolts will be different from OEM. Either drill out the companion flange to accept the larger bolts. Or use OEM bolts as-is. Or use OEM bolts with some shim sleeves.

2)After install check that the shift linkage and reverse lockout cable do not contact the front yoke.

3)Recheck the rear bolts are tight after some initial driving.

4)Know that it is not an OEM designed 2pc prop shaft. If can likely experience some vibration in certain conditions. That might be due to a poor balance, throwing a weight, or just the nature of the prop shaft.
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Old 01-22-2019, 10:39 PM   #5
CarmelValleyWRX
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i could have sworn i left my exhaust on when i took my driveshaft/transfer case off to fix the bearings. but i could be wrong.
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Old 02-02-2019, 01:19 PM   #6
Boxer112
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It was pretty straight forward. What I meant to ask was does anyone have any lessons learned from doing theirs.
Most videos I found always seemed to skip a step.
Either way, everything went in perfect and pretty easy. The shifter bushings were more of a PITA than the driveshaft was
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Old 02-04-2019, 09:06 PM   #7
sense of nature
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Quote:
Originally Posted by JarHarms View Post
I would also add to the above:
1)Likely the rear diff bolts will be different from OEM. Either drill out the companion flange to accept the larger bolts. Or use OEM bolts as-is. Or use OEM bolts with some shim sleeves.

2)After install check that the shift linkage and reverse lockout cable do not contact the front yoke.

3)Recheck the rear bolts are tight after some initial driving.

4)Know that it is not an OEM designed 2pc prop shaft. If can likely experience some vibration in certain conditions. That might be due to a poor balance, throwing a weight, or just the nature of the prop shaft.
Huh? Have you ever swapped em out?
Flanges should NOT need to be drilled out, & by no means should there be a difference in vibration from either 1 piece or 2 piece shaft,if there is, it needs balancing .
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Old 02-04-2019, 10:17 PM   #8
JarHarms
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Quote:
Originally Posted by sense of nature View Post
Huh? Have you ever swapped em out?
Flanges should NOT need to be drilled out, & by no means should there be a difference in vibration from either 1 piece or 2 piece shaft,if there is, it needs balancing .

I think I was more that clear on the details I had mentioned.
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