S2 axle boot replacement

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Nostromo
Posts: 10
Joined: 16 May 2024, 15:46

S2 axle boot replacement

Unread post by Nostromo »

Hello,
I have a '72 Fulvia. I happened to notice a small tear in the left outer (wheel) CV joint boot when doing the annual maintenance day before yesterday. It is the old/original style design. I have ordered a new set for both sides (modern accordion style). I had a few questions I was hoping someone with prior experience with this repair could answer. I have looked at the service manual and searched the forum.
1) Once the inboard flange bolts and the axle nut at the hub are removed, can the axle be removed with a little maneuvering without any disassembly of the suspension or steering at the hub?
2) Any reliable torque figures for the inboard flange bolts and the big axle nut? I have ordered the three pronged socket for the latter.

Thanks.
Huib
Site Admin
Posts: 1871
Joined: 17 Dec 2008, 10:12

Re: S2 axle boot replacement

Unread post by Huib »

Yes. You can remove the drive shaft.

Torque values are in the Technical Databook. See Fulvia_S2_1 at https://viva-lancia.com/specials/cd/fulvia-cd.php

For the axle nut it is 30 mkg.

Inboard CVJ to flange M8 bolts: 3 mkg when yellow or 5 mkg when black
Nostromo
Posts: 10
Joined: 16 May 2024, 15:46

Re: S2 axle boot replacement

Unread post by Nostromo »

Thanks for the information. The parts have arrived. I opted for the modern accordion style boots in place of the original style. I'll work on the car this weekend hopefully.
Nostromo
Posts: 10
Joined: 16 May 2024, 15:46

Re: S2 axle boot replacement

Unread post by Nostromo »

Many months after receiving the part, I finally got around to doing the axle boot replacement this past weekend. Went smoothly with the exception of the right axle nut refusing to loosen even with nearly 550 ft-lb of torque. I resorted to cutting the nut. Despite the inauspicious start, the rest of the repair went smoothly. Removed the inner flange bolts and maneuvered the axles out. Both had 9/71 stampings on the inner CV joint body. Still felt smooth without any play. Lots of cleaning and reassembled with new boots which fit perfectly. Car is serviceable again.
Thank you again for the torque spec.
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