Driveshaft wear

[molten]

Good Evening all.
Have managed to get the rear hubs separated from driveshafts. Took 17 tons of force to remove - Yes 17 tons :o.
Have now stripped down the shafts and have found shaft wear where the needle roller bearing sits.
Have checked diameter at this point which reads 25.4mm. The shaft diam seems to be at 25.5mm at unworked position. Although this was only a quick measurement with dial vernia not micrometer.

Does anyone know what the maximum wear on the shaft would/should be?

Thanks for any help

Scott

[junkuser]

Don't like the idea of using a shaft with any wear there as it takes both torsional and deflection loadings at this point.

[GT6 M]

I be wary too, if it decides to go, then what, :-/ :-/

Mine snapped, and was lucky  not  to doo any damage,  you may not be so lucky.
both to your car, or others too.

whats the option, your life, or a new shaft,!!

Marcus

[Richard B]

2597 wrote:

Have now stripped down the shafts and have found shaft wear where the needle roller bearing sits.
Have checked diameter at this point which reads 25.4mm. The shaft diam seems to be at 25.5mm at unworked position. Although this was only a quick measurement with dial vernia not micrometer.

That part is case hardened for the bearing rollers. 0.1mm comes out a 4 thou.

More expense, but I would budget on new halfshafts.

[molten]

Hello fellas

If I were to obtain a used but relatively un-worn shaft, would that be fine do you think?

Thanks

[heraldcoupe]

Any witness marks of the bearings would render the shaft scrap.

An unworn but used shaft is fine, provided it has been used on the same side as the one it's replacing. The shafts become stressed from continuous working in one direction. Reversing these stresses often results in shaft breakage. The odd burst of reverse working is obviously OK, but maintain the established direction of rotation for normal use,

Cheers,
Bill.