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killa
Won't Shut Up



Joined: 18 Oct 2004
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PostPosted: 09:35 - 09 Apr 2008    Post subject: Rant start Reply with quote
PUT FUC**ING DUST SEALS ON CALIPERS! Evil or Very Mad

Replacing/servicing calipers is a pain in the arse

I hate ROAD SALT!

I have a feeling i've now warped my second pair of discs Crying or Very sad


Rant over

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Timmeh
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Joined: 01 Nov 2006
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PostPosted: 10:04 - 09 Apr 2008    Post subject: Reply with quote
As far as full-on rants go, that was fairly dissapointing, especially from you.

I was expecting a massive ten-page dissertation.

Now wednesday just feels empty and pointless.

Crying or Very sad
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 10:29 - 09 Apr 2008    Post subject: Reply with quote
Servicing calipers is a piece of piss.
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Feasty
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Joined: 01 Nov 2006
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PostPosted: 10:46 - 09 Apr 2008    Post subject: Reply with quote
sickpup wrote:
Servicing calipers is a piece of piss.


Yeah I've heard things like this before - never been able to find out how to get hold of a piece of piss though? Laughing
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(7 year gap), BMW F650 (Relaxing ride). Aprilia Caponord ETV1000 (Big and bold). Yamaha FZS600 (got me in trouble too quick!).
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killa
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Joined: 18 Oct 2004
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PostPosted: 10:48 - 09 Apr 2008    Post subject: Reply with quote
sickpup wrote:
Servicing calipers is a piece of piss.


When you have the time, i would say it's a job i could get down to.
When you ride everyday and don't have all the tools it's not that easy.

Winter sucks ass
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 11:17 - 09 Apr 2008    Post subject: Reply with quote
beanfeast wrote:


Yeah I've heard things like this before - never been able to find out how to get hold of a piece of piss though? Laughing



Quote:

Most of the time as long as no one stupid has had a go at the pistons they just need a good clean up. I tend to first wash them in soapy water with a nylon scrubber then clean any persistent bits with a small wire brush on a dremel type tool.

Same thing can be used to clean out the seal gaps as well. The better the seal gaps are cleaned the better the pistons will move.

ALWAYS wear safety googles when doing this.

Use Red Rubber grease, a light smear around the piston to lubricate them

When you reassemble the calipers DO NOT push the pistons all the way back in, leave them proud of the caliper by about 2mm. Then before you re-attach the lines bolt them to the fork legs and slowly pour brake fluid directly into them. Then re-attach the lines and bleed as normal. This will tend to stop any air bubbles being caught behind the pistons in the caliper.


It really is that easy.

Should take no more than an hour (probably a lot less) per caliper on the 6 pots killa has and about 20 mins to re-bleed the system.
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TUG
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Joined: 12 May 2007
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PostPosted: 14:16 - 09 Apr 2008    Post subject: Reply with quote
Just pump em out using your pads then a big screw driver and then something thiner till there all even and one pops out then the others will come out with a nice pull.
I thought it took more than that myself but its not that hard at all.
Just takes time Killa, give em another go and see if you can sort it this time.
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killa
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Joined: 18 Oct 2004
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PostPosted: 15:09 - 09 Apr 2008    Post subject: Reply with quote
On close inspection the seals look tierd.

So im replacing them.
Ive been told about the corrosion around them, i really can't take chances here, so im doing the seals.

Why would putting some fluid straight into the calipers be different from it coming down the lines?
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TUG
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Joined: 12 May 2007
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PostPosted: 15:11 - 09 Apr 2008    Post subject: Reply with quote
killa wrote:
On close inspection the seals look tierd.

So im replacing them.
Ive been told about the corrosion around them, i really can't take chances here, so im doing the seals.

Why would putting some fluid straight into the calipers be different from it coming down the lines?

Make sure you get something to scrape all the corrosion from out of where the seals sit, there will be loads.
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killa
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Joined: 18 Oct 2004
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PostPosted: 15:13 - 09 Apr 2008    Post subject: Reply with quote
I was told a metal pick, like a dentist pick is a good thing to use.

I have brake cleaner as well.
Getting some DOT4 and should be good to go.

Thanks for help guys, i'm doing it tonight.

Confused
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TUG
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Joined: 12 May 2007
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PostPosted: 15:17 - 09 Apr 2008    Post subject: Reply with quote
killa wrote:
I was told a metal pick, like a dentist pick is a good thing to use.

I have brake cleaner as well.
Getting some DOT4 and should be good to go.

Thanks for help guys, i'm doing it tonight.

Confused

Exactly that, you can get em from most DIY stores or try halfords, Scrape for a good while as the smallest amout will stop a piston going back into the caliper. Give us all a shout if you need more help mate. Thumbs Up
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 15:37 - 09 Apr 2008    Post subject: Reply with quote
killa wrote:


Why would putting some fluid straight into the calipers be different from it coming down the lines?



Brake fluid is heavier than air and will fill the bottom of the caliper. You are trying to remove air from the system, why leave a huge amount in there when you can easily remove it?
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Old Thread Alert!

The last post was made 17 years, 299 days ago. Instead of replying here, would creating a new thread be more useful?
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