New Owner needs input

[dbenson]

Hello all,

I am a new owner of an 07 RS4 which is great this far but I have a few quick questions I thought I would pass by you all. Any input is appreciated!

I have a fairly nasty clicking from a slow start which seems to come from my left rear rotor. This sounds like the rotor and base plate are loose but I find that hard to believe. Thoughts?

When I hard turn the steering wheel to full lock on either side I hear a slight whine, is this to be expected?

I think I need a front right wheel bearing, is this common at 50K?

So far the car is great. I am a BMW convert (e46 M3 and e39 and e28 M5), I feel all grown up and like being able to drive the car without beating on it, something I was never able to do with the M-Cars. Good thing I still own the e28!

Thanks much for your input in advance.

db

http://swingpad.com/db/RS4.JPG

 

[Sandra]

Welcome to Audi-Sport.Net. Nice looking car. Where are you located? One of the guys will be along to advise you. Hope you enjoy the forum. x

 

[dbenson]

I am US based, in Rhode Island Specifically.

Thanks,

db

 

[PetrolDave]

I have a fairly nasty clicking from a slow start which seems to come from my left rear rotor.

Are you sure there isn't something like a stone stuck between the rotor and the backplate?

When I hard turn the steering wheel to full lock on either side I hear a slight whine, is this to be expected?

Yes, full lock puts a significant load on the power steering pump which makes it whine.This is totally normal.

I think I need a front right wheel bearing

What makes you think that?

 

[dbenson]

Dave,

Thanks for taking the time and answering the power steering question. That is what I assumed but I wanted to ask around.

As for the Rotor/Rear Drivers side wheel clicking. This issue is very mechanical and seems to happen upto but not beyond 10MPH and usually after I have backed up. It really sounds like a two part rotor being loose but all seems fine in that department. Def not a rock. Could I have a missing rattle clip in that caliper? I would expect that to make more nose in bumpy conditions.

With regards to the wheel bearing, I am a wrench and recognize the tell-tails of a wheel bearing going with regards to the harmonic noise it usually creates. I was curious if this could just be due to milage or if they have a history of failure. Obviously the slotted rotors can elude to this sound as well but not usually at a slow steady pace without the brakes applied.

Again, thanks much for the insight.

db

 

[PetrolDave]

As for the Rotor/Rear Drivers side wheel clicking. This issue is very mechanical and seems to happen upto but not beyond 10MPH and usually after I have backed up. It really sounds like a two part rotor being loose but all seems fine in that department. Def not a rock. Could I have a missing rattle clip in that caliper? I would expect that to make more nose in bumpy conditions.

Worth checking the rattle clip, definitely not a common problem - can't remember anyone else posting about it on the many RS sites I frequent.

With regards to the wheel bearing, I am a wrench and recognize the tell-tails of a wheel bearing going with regards to the harmonic noise it usually creates. I was curious if this could just be due to milage or if they have a history of failure. Obviously the slotted rotors can elude to this sound as well but not usually at a slow steady pace without the brakes applied.

Again not something that is a known problem, even on cars with 80k+ miles.

 

[dbenson]

Hello again everyone.

I just wanted to bump this again due to both my rear calipers/Rotors making the same noise at slow speeds.

Any help would be appreciated.

db

 

[dbenson]

Hey Folks,

My lack of knowledge on the RS4 is at the root of my rotor clicking issue. I did not realize the RS4 came with X-Drilled rotors OEM while my car has two piece slotted rotors. I have been unable to identify the manufacturer of the rotors but they are slotted with polished aluminum center Hubs.

Any insight is appreciated.

db

 

[t8ups]

have you checked the bearings?

my C6 RS6 does this and on the rs246 forum its down to the bearing according to owners who have had the issue sorted.

 

[dbenson]

All,

I got the bottom of my clicking. It seems the Air pressure sensors became free inside the tires and were hitting the rim at slow speeds, causing the nasty clanking sound I was having.

As for the breaks, it sure looks like I have JHM rotors all around which I am happy about. Any insight on which kit I have? I believe them are the OEM replacements but who knows.

Thanks,

db

 

[ex911driver]

Glad you got it sorted, bit of an odd problem !