Changing Rear Discs and Pads

[lambo]

Ive just had a service on my 182 and Renault have said i need to replace my front and rear discs and pads. Fronts arnt a problem as ive already got uprated parts ready to go on (which a couple of my mates are fitting). What i wanted to know was if changing rear discs and pads is a DIY job or if you need any special equipment for it (heard on the grapevine that 172 needed to have the bearings taken out with a press). Also if a DIY job isnt possible do i need a specific type of discs and pads to go on there or will anything be ok?? the reason i ask is cause Renault want £320 to change them and i dont really want to pay that so i was going to try an independant garage.

Thanks

 

[DrR]

It#s a peice of piss to do if you've got discs with bearing allready pressed in, otherwise you need a massive press and have to try to remove the old one without breaking them.

 

[davebem]

Renault sell the discs with bearings already in them, they are about £180 for the pair, or gsf sell the Renault items for about £150. They are easy to fit, you just need a 30mm socket to take the hub nut off. Its also recomended to replace the nuts at the same time.

 

[lambo]

ok cheers ill c if i can get some with bearings in then

 

[Russ.]

http://www.yozzasport.co.uk/proddetail.php?prod=rs_182_172_cup_trophy_rear_disc_bearing_abs_ring

 

[Rich_16v]

Just buy them new from gsfcarparts .com or .co.uk you'll get 10% discount by mentioning club membership plus you can collect them locally to avoid postage.

They'll come with the barings in them

New rear pads are only about £15

 

[lambo]

thanks for the help

im gonna get a mate to check i actually do need rear discs as the car is only 2 1/2 years old and done 24000miles so i would have expected them to last abit longer than that

 

[martandem]

I have read in a couple of threads that a G clamp makes it a lot easier to change the front pads. I have no experience of doing my own work on cars, but as i realise they mug you off at main dealers, and all i need is the rear pads changing, i want to start!
So i assume the rear pads are the same as the front pads, i.e. i will need a G clamp for that too?...
Thanks!

 

[ben_p]

you also need to re torque the 30mm nut to 175 NM

 

[ben_p]

I have read in a couple of threads that a G clamp makes it a lot easier to change the front pads. I have no experience of doing my own work on cars, but as i realise they mug you off at main dealers, and all i need is the rear pads changing, i want to start!
So i assume the rear pads are the same as the front pads, i.e. i will need a G clamp for that too?...
Thanks!

no,

i presume there using G clamps to push the piston back in?

on the rear you "wind" the piston back in with a flat blade rather than pushing it

 

[ben_p]

I have read in a couple of threads that a G clamp makes it a lot easier to change the front pads. I have no experience of doing my own work on cars, but as i realise they mug you off at main dealers, and all i need is the rear pads changing, i want to start!
So i assume the rear pads are the same as the front pads, i.e. i will need a G clamp for that too?...
Thanks!

also i never use a G Clamp for forcing the piston back in, when the top section of the calliper is undone (13mm bolts)

force the back of it against the disk (with the olds pads still in) to push the piston back.

 

[mattjk]

Do you have to remove the brake res cap? I was always told to. It does make sense in theory.

 

[ben_p]

i never have done, would that draw air into the system?, i ALWAYS re bleed after fitting pads btw

 

[dswarwick]

Yes, removing the filler cap should relieve some the pressure as you push the piston back in. You need to watch for the reservoir overflowing, although chances are it won't unless you're doing all 4 pads.

I'd also recommend pressing it back in with a G clamp onto the old pads (or disc) rather than pushing directly on the piston itself.

 

[mattjk]

i never have done, would that draw air into the system?, i ALWAYS re bleed after fitting pads btw

I think I need to bleed. Ill do that soon. I doubt it would introduce air though. But if your winding back the piston id be worried it would cause unnessasary pressure.

 

[dswarwick]

It won't introduce air into the system (unless you've got a leak somewhere - which is clearly a whole other problem). Although it takes a hearty shove we're not talking about massive pressures here - not compared to you stamping on the brake pedal!

Bleeding the brakes is a sensible thing to do if it's not been done for a while, not strictly necessary as a direct result of a pad/disc change, but hey - safety first.

 

[mattjk]

No I did think that, the only reason I said the above was because your forcing the flow the other way. probably doesnt mean s**t though lol!