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YOUR RESEARCHStub Axle bolt torque? (Also photo of this bolt. Not stock?)
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Check stub axle bolt torque
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Suggestion · Original poster
Using a G96.01 in a project and thought I would double check the stub axle bolt torque.
Stub Axle bolt torque? (Also photo of this bolt. Not stock?)
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Leading evidence: 'Check stub axle bolt torque' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check stub axle bolt torque' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Replace bolts and the nuts inside the differential
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Suggestion
There are plain jane M8 bolts, and if you try torquing them to 81 Nm, you will be replacing the bolts and the nuts inside the differential.
Stub Axle bolt torque? (Also photo of this bolt. Not stock?)
Use 81 nm/60 ft-lb
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Suggestion
The bolts are M10x50 with a hex head drive and use 81 Nm/60 ft-lb.
Stub Axle bolt torque? (Also photo of this bolt. Not stock?)
Use g96.01 in a project and thought i would double
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Suggestion · Original poster
Using a G96.01 in a project and thought I would double check the stub axle bolt torque.
Stub Axle bolt torque? (Also photo of this bolt. Not stock?)
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Hi guys,
Using a G96.01 in a project and thought I would double check the stub axle bolt torque. Does anyone know it? Doesn't appear to be in the 996 service manual. Maybe that manual doesn't go this far into the transaxle?
Secondly, this bolt doesn't look stock to me (Although I could be wrong). It is class 8.8. (ALthough googling G96.01, I saw one other that had a similar bolt).
Thirdly, trying to tighten or loosen. Even while holding the other flange, I'm feeling slippage. I assume that can't be normal? Unless this bolt has sheared.
Any help is appreciated, thanks!
Dont have the torques but on the third point u have to hold that flange to tighten. Make a flat bar with 2 holes that line up to the axle bolt holes. Attach it to the flange so u can hold it while torquing the center bolt.
The bolts are M10x50 with a hex head drive and use 81 Nm/60 ft-lb. For tightening them I just put the car in gears and have never had a problem torquing them.
This.
The OEM part number for said axel bolts:
90006712302
The OEM part bolt that holds the flange on is here on page 94 (item 2):
https://www.porsche.com/all/media/pd...96_KATALOG.pdf
I believe the correct spec is 44 Nm / 33 ft-lb for the output flange center bolts. There are plain jane M8 bolts, and if you try torquing them to 81 Nm, you will be replacing the bolts and the nuts inside the differential. I am not certain what the 81 Nm value in the WSM refers to, but best guess is that it's the collar nut for the 4WD versions of the G96. Cheers,
Ah, good, thanks. Regarding slipping, I am guessing you need to counterhold the output flange. An earlier poster mentioned one way. Another is to thread two M10 bolts into adjacent CV bolt bores, stick a pry bar between/across them, and counterhold that way.
Those flanges look nasty. I would media blast and paint them. Yuck. Good luck with the project.
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