[ROVERNET - UK] bearing noise in noisy gearboxes

John Atkin john at atkin4174.freeserve.co.uk
Sun Jun 13 14:32:37 BST 2004

Teflon additives may well postpone the inevitable and make the bearings
quieter. It wont make things any worse and might improve things. Not to be
put in an auto box though, only manual shift.
best wishes
John Atkin(IOW UK)
----- Original Message ----- 
From: "Mike Shaddick" <mikshdik at ozemail.com.au>
To: <rovernet at lyris.ccdata.com>
Sent: Sunday, June 13, 2004 3:44 AM
Subject: Re: [ROVERNET - UK] bearing noise in noisy gearboxes

> I am happy that my favourite gossip shop is up and running again.  Can I
> repeat my earlier question about Teflon additives to keep my manual P6B
> gearbox quiet.
> As you know, I am on my third P6B manual gearbox.  I believe that this
> present box is not long for this world.  The main input bearing,
> especially, makes its presence felt.  The box is filled with HPR30, which
> is a semi synthetic SAE 20 - 60.
> My question is this.  On the market are several Teflon additives which
> promise to shut up noisy engines and gearboxes.  Can I safely use one of
> these additives without compromising the already limited (INMHO) lifespan
> of the box?
> Vern has advised against us ing SAE  90.  The HPR 30 is a SAE 20 /60
> semisynthetic (whatever that means).  The book suggests a SAE 20 /50. In
> many ways, a Teflon additive to the box should be like a Beta Blocker for
> old geezers like myself.  The question is, does it work, especially in
> boxes that are on borrowed time? Were I to be adventurous, TQF hydraulic
> oil has been another suggested possibility, but all I want is to get the
> bearings to shut up.
> kanjane
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