G

Greg

Guest
I'm just about to have a go at this and the official manual talks about
lubricating things with "rubber grease" prior to reassembly, I've never
heard of this and wonder if it's readily available or do people use any
ordinary grease?.
Greg


 
Greg wrote:
> I'm just about to have a go at this and the official manual talks about
> lubricating things with "rubber grease" prior to reassembly, I've never
> heard of this and wonder if it's readily available or do people use any
> ordinary grease?.

Do NOT use ordinary grease, or anything petroleum based - it will rot
the rubber seals. If rubber grease is not available you can use a bit
of brake fluid to lubricate it.


--
EMB
 
Greg wrote:

> I'm just about to have a go at this and the official manual talks about
> lubricating things with "rubber grease" prior to reassembly, I've never
> heard of this and wonder if it's readily available or do people use any
> ordinary grease?.
> Greg

To reinforce EMB - do NOT use ordinary grease. Rubber grease is readily
available from any auto parts supplier, although you may have trouble
finding the small quantity you need. Many brake cylinder seal kits include
some.
If you can't find any, use brake fluid. Before you start on the job, make
sure your work surface and hands are clean and free from dust and
particularly any trace of oil or grease. If you need to clean up the
cylinder, piston etc that you are re-using, use either brake cleaning fluid
sold for the purpose or methylated spirits.
The rubber seals used in brakes are rapidly damaged by even slight traces of
anything hydrocarbon based, such as petrol, oil or grease, and poor
cleanliness in overhauling these parts is one of the frequent causes of
rapid failure. Not quite as bad, but still bad is dust. Any traces of
roughness on the inside of the cylinder due to rust or corrosion will also
cause eventual failure, and if it cannot be polished off without removing
significant amounts of metal, the cylinder should be scrapped or sleeved (a
professional job)
JD
 
On 2006-10-19, Greg <news@SPAM123voyager2.nildram.co.uk> wrote:

> I'm just about to have a go at this and the official manual talks about
> lubricating things with "rubber grease" prior to reassembly, I've never
> heard of this and wonder if it's readily available or do people use any
> ordinary grease?.

No, you need "rubber grease", the combination of normal grease, rubber
and brake fluid isn't a good one and will lead to the seals perishing,
so get some "rubber grease". You should be able to get it from a
motor factors.

--
Blast off and strike the evil Bydo empire!
 

Ian Rawlings wrote:
> No, you need "rubber grease", the combination of normal grease, rubber
> and brake fluid isn't a good one and will lead to the seals perishing,
> so get some "rubber grease". You should be able to get it from a
> motor factors.

Thanks to everyone who replied, I'll get the proper stuff for the job.
I just wondered if the 30 year old manual was still valid given that I
thought they stopped using seals that were vulnerable to mineral oil in
brakes years ago, from a quick Google it seems not.

Greg

 
Greg wrote:

>
> Ian Rawlings wrote:
>> No, you need "rubber grease", the combination of normal grease, rubber
>> and brake fluid isn't a good one and will lead to the seals perishing,
>> so get some "rubber grease". You should be able to get it from a
>> motor factors.
>
> Thanks to everyone who replied, I'll get the proper stuff for the job.
> I just wondered if the 30 year old manual was still valid given that I
> thought they stopped using seals that were vulnerable to mineral oil in
> brakes years ago, from a quick Google it seems not.
>
> Greg

There are probably a few cars that do use mineral oil for their brake fluid
- I think hydraulic suspension Citroens do for example, and there may be
others, but in general, as you say "it seems not". While I am sure it is
possible to make a satisfactory system using mineral oils and synthetic
seals, there is probably little pressure to do so - why change unless there
is a strong reason to do so, particularly with the probability of mistakes
in fluid being made with a critical safety system. Citroen probably got
away with their change (in 1967 from memory) because it was not just the
brake hydraulic system - the same system runs brakes, power steering
suspension and (some models) gearbox, so there was less likelihood of their
fluid being confused with brake fluid.
JD
 
On or around Fri, 20 Oct 2006 08:44:18 +1000, JD <jjd@spamlesstpgi.com.au>
enlightened us thusly:

>Greg wrote:
>
>> I'm just about to have a go at this and the official manual talks about
>> lubricating things with "rubber grease" prior to reassembly, I've never
>> heard of this and wonder if it's readily available or do people use any
>> ordinary grease?.
>> Greg
>
>To reinforce EMB - do NOT use ordinary grease. Rubber grease is readily
>available from any auto parts supplier, although you may have trouble
>finding the small quantity you need. Many brake cylinder seal kits include
>some.
>If you can't find any, use brake fluid. Before you start on the job, make
>sure your work surface and hands are clean and free from dust and
>particularly any trace of oil or grease. If you need to clean up the
>cylinder, piston etc that you are re-using, use either brake cleaning fluid
>sold for the purpose or methylated spirits.
>The rubber seals used in brakes are rapidly damaged by even slight traces of
>anything hydrocarbon based, such as petrol, oil or grease, and poor
>cleanliness in overhauling these parts is one of the frequent causes of
>rapid failure. Not quite as bad, but still bad is dust. Any traces of
>roughness on the inside of the cylinder due to rust or corrosion will also
>cause eventual failure, and if it cannot be polished off without removing
>significant amounts of metal, the cylinder should be scrapped or sleeved (a
>professional job)
>JD

All of which is undoubtedly true and is why, provided new ones are available
for less than an arm and a leg (which is the case with LR ones, i.e. they're
available), I replace them rather than overhauling 'em.

--
Austin Shackles. www.ddol-las.net my opinions are just that
"Any man's death diminishes me, because I am involved in Mankind; and
therefore never send to know for whom the bell tolls, it tolls for thee"
John Donne (1571? - 1631) Devotions, XVII
 
In message <t-WdndGl9ZxzaqrYRVnyrA@pipex.net>
"Greg" <news@SPAM123voyager2.nildram.co.uk> wrote:

> I'm just about to have a go at this and the official manual talks about
> lubricating things with "rubber grease" prior to reassembly, I've never
> heard of this and wonder if it's readily available or do people use any
> ordinary grease?.
> Greg
>
>

We used to have a good stock of red rubber grease (aka brake grease)
but when we went to re-stock the new stuff was labelled "Do't not
use on rubber components"!
As yet I'venot found a replacement supplier, as that suupler
could not promise it would be ok.

Lucas/TRM wheel cylinder kits still come with a little tube.

Richard

--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
www.radioparadise.com - Good Music, No Vine
Lib Dems - Townies keeping comedy alive
 

beamendsltd wrote:

> We used to have a good stock of red rubber grease (aka brake grease)
> but when we went to re-stock the new stuff was labelled "Do't not
> use on rubber components"!
> As yet I'venot found a replacement supplier, as that suupler
> could not promise it would be ok.
>
> Lucas/TRM wheel cylinder kits still come with a little tube.

Apparently Castrol do one, at least these people list it:

http://www.mgocaccessories.co.uk/acatalog/MGOC_Accessories__Grease_176.html

I'll have a phone around locally this afternoon as I hope to get the
cylinder and servo overhauled this weekend.

By the way Richard, is there a problem getting the vacuum fitting and
throttle spring as I haven't received them yet?

Greg

 
beamendsltd wrote:

> We used to have a good stock of red rubber grease (aka brake grease)
> but when we went to re-stock the new stuff was labelled "Do't not
> use on rubber components"!
> As yet I'venot found a replacement supplier, as that suupler
> could not promise it would be ok.

Castrol - Red Rubber Grease. 3rd product down on the link below.

http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9002192&contentId=7002857

£5.25 retail inc VAT for a 500gm pot.



--
EMB
 
In message <1161338291.829085.181380@m7g2000cwm.googlegroups.com>
"Greg" <spam@voyager2.gotadsl.co.uk> wrote:

>
> beamendsltd wrote:
>
> > We used to have a good stock of red rubber grease (aka brake grease)
> > but when we went to re-stock the new stuff was labelled "Do't not
> > use on rubber components"!
> > As yet I'venot found a replacement supplier, as that suupler
> > could not promise it would be ok.
> >
> > Lucas/TRM wheel cylinder kits still come with a little tube.
>
> Apparently Castrol do one, at least these people list it:
>
> http://www.mgocaccessories.co.uk/acatalog/MGOC_Accessories__Grease_176.html
>
> I'll have a phone around locally this afternoon as I hope to get the
> cylinder and servo overhauled this weekend.
>
> By the way Richard, is there a problem getting the vacuum fitting and
> throttle spring as I haven't received them yet?
>
> Greg
>

The vacuum fitting is here, the spring is out of stock - I'll
send the fitting.

Richard

--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
www.radioparadise.com - Good Music, No Vine
Lib Dems - Townies keeping comedy alive
 
In message <eha6sh$qej$1@lust.ihug.co.nz>
EMB <embtwo@gmail.com> wrote:

> beamendsltd wrote:
>
> > We used to have a good stock of red rubber grease (aka brake grease)
> > but when we went to re-stock the new stuff was labelled "Do't not
> > use on rubber components"!
> > As yet I'venot found a replacement supplier, as that suupler
> > could not promise it would be ok.
>
> Castrol - Red Rubber Grease. 3rd product down on the link below.
>
> http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9002192&contentId=7002857
>
> £5.25 retail inc VAT for a 500gm pot.
>
>
>

Indeed - I'll see if they have a wholesaler locally.

Cheers for that.

Richard
--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
www.radioparadise.com - Good Music, No Vine
Lib Dems - Townies keeping comedy alive
 
"beamendsltd" <beamendsltd@btconnect.com> wrote in message
news:96b6b7784e%beamendsltd@btconnect.com...

> The vacuum fitting is here, the spring is out of stock - I'll
> send the fitting.

Thanks Richard.
Greg


 
EMB wrote:
> beamendsltd wrote:
>
>> We used to have a good stock of red rubber grease (aka brake grease)
>> but when we went to re-stock the new stuff was labelled "Do't not
>> use on rubber components"!
>> As yet I'venot found a replacement supplier, as that suupler
>> could not promise it would be ok.
>
>
> Castrol - Red Rubber Grease. 3rd product down on the link below.
>
> http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9002192&contentId=7002857
>
> £5.25 retail inc VAT for a 500gm pot.

Lockheed (are they still around?) did a similar thing which they
called Rubberlube.

You should also be aware that there is another brake grease around
which is not suitable for this application. It used to be white and
was a high temperature grease used on the sliding surfaces at the ends
of brake shoes, adjuster mechanisms etc.. An example of this is
Castrol PH grease (but it may no longer be available).


As an aside, Castrol's is another website where the last thing that
they seem to want you to see is a simple list of their products. Do
they want to sell anything? EMB must be congratulated for finding the
page that he did!
 
On or around Fri, 20 Oct 2006 17:45:30 +1000, JD <jjd@spamlesstpgi.com.au>
enlightened us thusly:

>
>There are probably a few cars that do use mineral oil for their brake fluid
>- I think hydraulic suspension Citroens do for example,

some do. LHM = Liquide Hydrolique Minerale. however, some use LHS, which
is Synthetique.

some of the Rolls-Royce cars have a power braking system using LHM as well,
AIUI.


--
Austin Shackles. www.ddol-las.net my opinions are just that
"Would to God that we might spend a single day really well!"
Thomas À Kempis (1380 - 1471) Imitation of Christ, I.xxiii.
 
In message <vhkhj21f91s54e3jqjm2l8cn7pr4vcvu75@4ax.com>
Austin Shackles <austinNOSPAM@ddol-las.net> wrote:

> On or around Fri, 20 Oct 2006 17:45:30 +1000, JD <jjd@spamlesstpgi.com.au>
> enlightened us thusly:
>
> >
> >There are probably a few cars that do use mineral oil for their brake fluid
> >- I think hydraulic suspension Citroens do for example,
>
> some do. LHM = Liquide Hydrolique Minerale. however, some use LHS, which
> is Synthetique.
>
> some of the Rolls-Royce cars have a power braking system using LHM as well,
> AIUI.
>
>

Until the VW takeover they used Citroen systems, practically straight
out of the box. They flid will indeed destroy "normal" seals in
minutes - and vice versa.

Richard
--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
www.radioparadise.com - Good Music, No Vine
Lib Dems - Townies keeping comedy alive
 
In message <7dednZjoyp7oUKXYnZ2dnUVZ8qCdnZ2d@eclipse.net.uk>
Dougal <DougalAThiskennel.free-online.co.uk> wrote:

> EMB wrote:
> > beamendsltd wrote:
> >
> >> We used to have a good stock of red rubber grease (aka brake grease)
> >> but when we went to re-stock the new stuff was labelled "Do't not
> >> use on rubber components"!
> >> As yet I'venot found a replacement supplier, as that suupler
> >> could not promise it would be ok.
> >
> >
> > Castrol - Red Rubber Grease. 3rd product down on the link below.
> >
> > http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9002192&contentId=7002857
> >
> > £5.25 retail inc VAT for a 500gm pot.
>
> Lockheed (are they still around?) did a similar thing which they
> called Rubberlube.
>
> You should also be aware that there is another brake grease around
> which is not suitable for this application. It used to be white and
> was a high temperature grease used on the sliding surfaces at the ends
> of brake shoes, adjuster mechanisms etc.. An example of this is
> Castrol PH grease (but it may no longer be available).
>
>
> As an aside, Castrol's is another website where the last thing that
> they seem to want you to see is a simple list of their products. Do
> they want to sell anything? EMB must be congratulated for finding the
> page that he did!

I'll second that - wholesalers are particularly bad a telling
you what they actually sell - Silverline Tools being a notable
exception.

Richard
--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
www.radioparadise.com - Good Music, No Vine
Lib Dems - Townies keeping comedy alive
 
"beamendsltd" <beamendsltd@btconnect.com> wrote in message
news:3710aa784e%beamendsltd@btconnect.com...
> In message <t-WdndGl9ZxzaqrYRVnyrA@pipex.net>
> "Greg" <news@SPAM123voyager2.nildram.co.uk> wrote:
>
>> I'm just about to have a go at this and the official manual talks about
>> lubricating things with "rubber grease" prior to reassembly, I've never
>> heard of this and wonder if it's readily available or do people use any
>> ordinary grease?.
>> Greg
>>
>>
>
> We used to have a good stock of red rubber grease (aka brake grease)
> but when we went to re-stock the new stuff was labelled "Do't not
> use on rubber components"!
> As yet I'venot found a replacement supplier, as that suupler
> could not promise it would be ok.
>
> Lucas/TRM wheel cylinder kits still come with a little tube.
>
> Richard

I got some Rubber Grease from my local Motor Factors, they ordered it for me
when I rebuilt the brake system on my military truck, it is Lockheed rubber
grease in a 500ml tin will last me a life time and some more, if any one
wants some let me know and I might be able to post it in a pot of some
description for some beer tokens if any one is interested. Good stuff if you
get it on your fingers as you will its a vivid red and looks like you have
cut yourself really bad, good for a joke on the wife ;-)

Rich
To reply remove " spam "


 
"Dougal" <DougalAThiskennel.free-online.co.uk> wrote in message

> Lockheed (are they still around?) did a similar thing which they
> called Rubberlube.

I just got some from my local auto-factors, it's in little sachets about the
size of a ketchup sachet which I think will be just right for a single job,
better than having to keep a tub spotlessly clean I would think.

If you're interested Richard it's Delph Rubberlube LPK102T from
Delphi Lockheed Automotive Ltd
Warwick
England.
http://www.delphiauto.co.uk

Greg


 
Austin Shackles wrote:
> On or around Fri, 20 Oct 2006 17:45:30 +1000, JD <jjd@spamlesstpgi.com.au>
> enlightened us thusly:
>
>> There are probably a few cars that do use mineral oil for their brake fluid
>> - I think hydraulic suspension Citroens do for example,
>
> some do. LHM = Liquide Hydrolique Minerale. however, some use LHS, which
> is Synthetique.
>
> some of the Rolls-Royce cars have a power braking system using LHM as well,
> AIUI.

Ditto some Jaguars too.


--
EMB
 
You must log in or register to reply here.

Similar threads

C
Clutch slave cylinder leak
Replies
4
Views
865
Mark Piercy
Mark Piercy
A
Need help installing a new brake master cylinder
Replies
5
Views
2K
dag019
dag019
MuddyMat
Disco2 2004 TD5 clutch misbehaving
Replies
5
Views
657
MuddyMat
MuddyMat
MikeFl4
P38A Brake bleeding disaster
Replies
16
Views
2K
MikeFl4
MikeFl4
Goc3k
Discovery 1 SOLD 1997 300TDI manual D1, Winchester
Replies
16
Views
3K
Goc3k
Goc3k