[ROVERNET - UK] Rover P6B rear brake hoses

Vern Klukas vern at inkspotco.com
Fri Dec 1 17:58:29 GMT 2006

Eric is correct about the conical depressions in the rear plate.


In my experience, I have never had one of these come loose after I 
worked on it, though I have seen a car with the final drive flopping 
around because of loose bolts come in for repair. And I have never 
straightened the depressions before refitting. It is important to use 
the correct bolts, which have conical seating faces. The repair 
manual says you should use a locking compound (e.g. Loctite), though 
I never have. But please do use a torque wrench and tighten them to 
around the 55-60 ft/lb mark.

The repair manual does not give a torque value for those bolts, I use 
55-60 ft/lbs because that is a common value for that size thread 
(7/16-24) in Grade 5 fasteners.

Not to say that the bolts are Grade 5, I actually suspect they are a 
higher grade than that but I wouldn't want to find out that they 
aren't, as that would mean some sort of failure of what are now 
probably unavailable bolts.


>Just a caution, here:
>The plate at the back of the final drive is fixed to
>the drive by about three bolts.  When new, my
>understanding is that the plate was flat.  The bolts
>have a head such that when the bolts are tightened
>they bend the metal slightly and form a shake-proof
>fastening.  If you plan on removing the plate, you
>might consider a few taps to slightly straighten the
>depressions, caused by the bolts, and regain your
>shake-proof security.
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Vern Klukas                             I'm a little . . .
Inkspot Type & Design
vern at inkspotco.com

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