New brake disks without replacing pads... - Will the world explode into a ball of fire?

Akagi

Akagi

Akagi

Caporegime
Joined
29 Jul 2011
Posts
37,064
Location
In acme's chair.
Hi guys,

So I need to do the front disks on my Corolla because one of them has warped slightly. (cheap eBay Evora drilled & grooved disks...)

But my pads are EBC Yellowstuff with loads of meat left on them. Can I re-use these, or should I definitely replace them?
 
Just heard people say that you should always do disks and pads together etc... Just what I have rattling around in mah brain. :)
 
jamoor said:
How do you manage to use cheap discs with expensive pads
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Wasn't me. :p

I didn't know they were cheap ones tbh. The fact that one is warped prompted me to flit through the history, and found that they are "Evora" drilled & grooved discs.

A quick Google told me they are cheap eBay tat.
 
Diddums said:
You sure it's warped?
Click to expand...

Fairly. Symptoms:

- Light knocking noise coming from the front constantly, goes away when gently brushing the brake pedal
- Very loud "womwomwomwom" noise under moderate to heavy braking
- When braking gently at low speed you can sort of feel the braking effort flip flopping. Like its gripping a little more then a little less with each rotation of the wheel.
- Took the NSF wheel off and span the disk, can feel it getting much harder to turn part way round, then spins freely, then gets tight again, etc. Not noticeable with the wheel on and spinning by hand though.
 
No its for the Corolla. Set of Yellowstuffs is £60. Pair of decent disks is £70, so replacing the pads (if I want like for like, and I would) would double the cost lol. :p
 
Just looked up the job, turns out changing the discs on these is a piece of ****. :)

2 bolts and the caliper is free, 2 bolts and the carrier is free, then the disc falls off. :p
 
Mysterae_ said:
That's if it goes to plan! It'll probably need a few knocks of persuasion depending how long it's been on and the corrosion. I'd recommend using some Pagid CeraTec from ECP for the areas that need to be lightly greased (obviously keep it away from the surface of the discs and pads!). To answer you original question, I'd replace the pads anyway so you don't have to do it again sooner rather than later. If you're not keeping the car for any length of time then no problem.
Click to expand...

Nope, they're already loose thankfully! :D
 
well when i had the front wheels off i couldnt feel anything moving around, and i still have a knocking noise which goes when the brakes are touched, so im going to look at the back later...
 
Hmm... Well as I say I'm going to check the back brakes next in case there is something up there, might not be the front ones at all.
 
Well ive had all the wheels off now and three of them seem a little sticky part way round spinning them but nothing worrying, and i cant detect any odd movement.

Went for a spirited drive during which i laid into the brakes quite had quite a few times and that weirdly seems to have helped. Still a slight knocking from the brakes sometimes though.

The noise when braking ive just put down to the drilled and grooved disks and it being part of having them. They perform well.

Any thoughts?
 
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