Rubber grease on brake calipers? - SV650.org

25-01-12, 01:01 PM

Theres a lot of talk of using red rubber grease when rebuilding brake calipers but where do you use it? I've got some in the sliding pin doodads on the front calipers but do you put a little bit on the piston seals as well or does this mean it could contaminate the brake fluid? or do you just rely on the fluid itself to help the pistons slide against the seals?

TamSV · 25-01-12, 02:16 PM

Sliding pin doodahs, coat the piston seals before putting them in the caliper and then a smear on the pistons themselves.

I do a 2nd bleed after covering a few miles and you do get some red coloured fluid coming out. Doesn't seem to cause any harm.

25-01-12, 02:18 PM

Thanks Tam, I'm hoping to get them finished tonight so I can ride again!!!

28-01-12, 04:05 PM

ISTR the red rubber grease is specifically for the pistons/seals. Use normal grease on the pins etc.

Sid Squid · 28-01-12, 05:15 PM

Rubber grease is for... rubber things!

'Normal' grease* will likely damage the boots over the rubbers on the pins making them swell and perish.

*Depends on exactly what sort of grease of course - but if you're not sure - don't.

25-01-12, 01:01 PM	#1
HoL Guest Posts: n/a	Rubber grease on brake calipers? Theres a lot of talk of using red rubber grease when rebuilding brake calipers but where do you use it? I've got some in the sliding pin doodads on the front calipers but do you put a little bit on the piston seals as well or does this mean it could contaminate the brake fluid? or do you just rely on the fluid itself to help the pistons slide against the seals?

25-01-12, 02:16 PM	#2
TamSV Member Mega Poster Join Date: Feb 2010 Location: Troon, Ayrshire Posts: 1,812	Re: RRG on Brake Calipers Sliding pin doodahs, coat the piston seals before putting them in the caliper and then a smear on the pistons themselves. I do a 2nd bleed after covering a few miles and you do get some red coloured fluid coming out. Doesn't seem to cause any harm.

25-01-12, 02:18 PM	#3
HoL Guest Posts: n/a	Re: RRG on Brake Calipers Thanks Tam, I'm hoping to get them finished tonight so I can ride again!!!

28-01-12, 04:05 PM	#4
tim8061 Guest Posts: n/a	Re: Rubber grease on brake calipers? ISTR the red rubber grease is specifically for the pistons/seals. Use normal grease on the pins etc.

28-01-12, 05:15 PM	#5
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Re: Rubber grease on brake calipers? Rubber grease is for... rubber things! 'Normal' grease* will likely damage the boots over the rubbers on the pins making them swell and perish. *Depends on exactly what sort of grease of course - but if you're not sure - don't. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

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