Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: Arrolman on 29 March 2007, 20:36:31
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Hi,
Looking at repalcing my brake pads, anything worth considering changing at teh same time? Anyone got a runthrough/pics of how too do it?
Cheers,
Iain
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Hi,
Looking at repalcing my brake pads, anything worth considering changing at teh same time? Anyone got a runthrough/pics of how too do it?
Cheers,
Iain
To belabour the obvious, discs.
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just check the discs make sure there isn't a big corrosion lip on them.
on the back on the calliper there is a 13mm bolt on the top and again the bottom,if memory serves me right you only need to undo the bottom one and you can swing the calliper up. Check the sliders they are what the calliper bolts go into and free and as there name suggest slide easily. Before pushing the piston in the calliper back either take the top of the master cylinder or clamp the rubber flexi hose off and undo the bleed nipple on the calliper. This is just so when pushing the piston back the rush of brake fluid back up the pipe doesn't damage the seals in the master cylinder.
hope that's not all patronising some things are obvious to some and not others.
oh and remember to pump the brake pedal back out before you drive away
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Have a look at this
http://www.omegaowners.com/forum/YaBB.pl?num=1171805208
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Always fit a tube to the bleed nipple and open it fully before pushing the pistons back (and preferably clamp the brake hose if you have the right tool(not moles)). The reason we do this is that the fluid in the wheel cylinder is dirty with dissolved rubber from the seals and is likely to contain some moisture, we want to stop this muck from being pushed back into the pipework so opening the bleed screw lets it escape. Also there is a risk that pushing the pistons back forces fluid through the master cylinder into the reservoir, this can cause the master cylinder seals to invert and can upset the ABS unit.
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I think the Haynes description is pretty decent as I recall.
You may need new wear sensors if your car has these - in my experience they are impossible to detach in one piece.
As someone said its worth checking the disks - bloody annoying if you need to change disks in six months as you then need new pads again.
I also seem to recall someone saying you should open the bleed nipple when you push the caliper back in order to avoid hydraulic fluid forcing the master cylinder seals back on themselves. Maybe worth changing fluid while you are at it ?(should be done every 2 years)
Take care with the caliper not to strain the flexy hose - having some string/wire available to support it is a good idea.
Cheers
Ian