Changing front brake rotors on '04 Sonata--Hyundaitech??

  • Thread starter Thread starter edwardjdiaz
  • Start date Start date
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edwardjdiaz

I have an '04 Sonata and plan to change the front rotors myself since
they are warped and they have already been resurfaced once. I won't be
changing my brake pads as they have plenty of brake material left.
Never having replaced brakes and/or rotors before, how easy is it to
remove the rotors? Any special tools needed for removing the rotors?
After removing the wheel, what is the procedure for removing the brake
calipers? To remove the rotors, do I remove the nut in the center with
the cotter pin through it? I appreciate any advice given.
 
I have an '04 Sonata and plan to change the front rotors myself since
they are warped and they have already been resurfaced once. I won't be
changing my brake pads as they have plenty of brake material left.
Never having replaced brakes and/or rotors before, how easy is it to
remove the rotors?
Click to expand...

It will vary with the amount of rust involved.
Any special tools needed for removing the rotors?
Click to expand...

A rubber mallet or a hammer and a block of wood will come in handy.
After removing the wheel, what is the procedure for removing the brake
calipers?
Click to expand...

There are two bolt that hold the caliper on. Remove, them and hang the
caliper out of the way. I piece of coat-hanger wired hung off the coil
spring works well for this.
To remove the rotors, do I remove the nut in the center with
the cotter pin through it?
Click to expand...

No. The rotors are held in place primarily by the wheels and are
separate from the hub/bearing assembly. There are two small screws on
each rotor that attach them to the hub. Remove the screws, then pull the
rotors off. You may need the mallet/hammer to "persuade" them to come
off. A little Liquid Wrench or WD-40 squirted into the hub/rotor
interface from the back may help a bit.
 
Brian,
Thanks for the reply, it doesn't sound too complicated at all. As for
the two screws that hold the rotor in place, what is the recommended
torque value when re-installing them? Thanks again.

Ed
 
OverLord1 said:
Brian,
Thanks for the reply, it doesn't sound too complicated at all. As for
the two screws that hold the rotor in place, what is the recommended
torque value when re-installing them? Thanks again.
Click to expand...
I don't know, but from what I've read, the screws are more of an
assembly aid than a structural part and can even be left out without any
problems. The rotor is sandwiched between the wheel and hub and the
entire assembly is held together by the lug nuts. Given that and their
small size, the torgue setting can't be critical, so "tight" should be
good enough.
 
Sorry again. Yet another post I've entered without actually being posted.

Everything above is pretty much correct, but presuming you have less than
60k on your car, why don't you take it to the dealer and have the work
done under warranty. Rotor warpage is a warrantable condition.
 
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