Crown Wheel Bolts And Diff Housing Torque Settings

[chipstick 382 1 Cars]

Service box lists 2 different crown wheel bolts.

 

311959 @ 77p inc VAT ea

 

9800266980 @ £1.98 inc VAT ea

 

What's so different between the two that warrants that increase per unit?

 

What torque setting should they be fastened to?

 

Talking of torque. When refitting the diff housing, what torque should the 11 and 16mm bolts be done to, and the 3 speedo drive housing ones? Haynes lists various torques but none of those. When it comes to sealing, I didn't notice any sealent upon removal. Is that correct? If not, what should be used?

[stef205 91 1 Cars]

as for torques just do it tight, couldnt find anything on autodata either. I used some rtv sealant i got from travis perkins i used that on that box i had from you, it sealed it up well no leaks. Ill text you the name of it in the morning if you like.

[JeffR 51]

These were taken from the factory manual for the BE3/5 gearbox.

 

Sorry for the crappy image.

Edited January 8, 2013 by JeffR

[pug_ham 240 3 Cars]

Its also in the haynes manual, chapter 6 transmission;

 

Crownwheel securing bolts; 65Nm / 48lbft.

Talking of torque. When refitting the diff housing, what torque should the 11 and 16mm bolts be done to, and the 3 speedo drive housing ones? Haynes lists various torques but none of those. When it comes to sealing, I didn't notice any sealent upon removal. Is that correct? If not, what should be used?

 

 

Also in haynes chapter 6;

 

Final drive half housing bolts, M10; 41Nm 30lbft

Final drive half housing bolts, M7; 12Nm 9lbft.

Speedometer pinion adaptor; 12Nm 9lbft

Final drive extention housing bolts ; 15nm 11lbft

 

Sealant shouldn't really be needed but I tend to put a thin bead of rtv on the mating faces.

 

g

 

 

 

[chipstick 382 1 Cars]

Thanks for those.

 

I've 3 different 205 Haynes manuals and the one I happened to check was the dark red late edition with A-P registration on the front.

 

The others I have, as you say list them all and go much more into transmission than the one I checked. I found 7 pages on manual gearboxes - the other editions I have now looked though have 36 pages :lol

 

That gives me the confidence to split down an old gearbox of a wet evening and learn how it all works

[S@m 156]

311959 is NFP, the longer, more expensive part (9800266980) replaced it. So you have no choice i'm afraid.

 

Plus, PSA's pricing usually doesn't reflect any actual difference in the parts, its has no logic whatsoever as far as i can tell.

 

Sam

Edited January 9, 2013 by Sam306

[barneys66 120 1 Cars]

Morning all - I finished my cwp swap yesterday and I had no torque settings so had to take a good (or should that be bad) guess..

 

My workshop is miles away and no mobile signal and I'm now sweating as according to the above I've over-tightened them all - should I go back and redo..?

 

Here's what I did, all in lbf.ft

 

Input and output shaft nuts - 70

Crownwheel - 70

Rear casing - 15

FD casing 10 - 40

FD casing 7 - 15

Speedo drive - 15

 

I know I'm an idiot but any advice welcome!