2000 2.7T A6 Front Rotor Replacmeent
Thread Starter
Audiworld Junior Member
Joined: Jan 2008
Posts: 42
Likes: 0
2000 2.7T A6 Front Rotor Replacmeent
I have 108K miles on my original front rotors and I can feel vibration in the pedal when braking. I think I need to replace them. They were pretty worn on the last time I replaced the pads, but I didn't replace them.
My question is, what do I need to do to replace the rotors?
Do I need to remove the calipers, or can I replace the rotors with just the pads out and the calipers in place?
Thanks,
P.S. The car has the 4 pads per side, 8 total in front.
My question is, what do I need to do to replace the rotors?
Do I need to remove the calipers, or can I replace the rotors with just the pads out and the calipers in place?
Thanks,
P.S. The car has the 4 pads per side, 8 total in front.
AudiWorld Member
Joined: Jan 2012
Posts: 107
Likes: 0
From: Denver, CO
Assuming you have the HP2 brakes (sounds like you do) you can't get the front disks off without removing the calipers. The rear ones, you can, but that won't help you if you're just doing the fronts...
Jim
Jim
Tech Guru
Joined: Mar 2003
Posts: 6,006
Likes: 2
Yes, you must remove the calipers, which is a bit of a PITA due to bolt locations.
(140# and on the back of the hub, blocked by some fluid lines that must be moved, but i digress)
But i suspect that your vibration is NOT warped rotors. I suspect its pad deposits.
You might try a light sanding in place, if they measure well (face-face 28mm or more)
Its does not sounds like you have the tools or experience to measure run-out.
New rotors will certainly fix it either way.
G
(140# and on the back of the hub, blocked by some fluid lines that must be moved, but i digress)
But i suspect that your vibration is NOT warped rotors. I suspect its pad deposits.
You might try a light sanding in place, if they measure well (face-face 28mm or more)
Its does not sounds like you have the tools or experience to measure run-out.
New rotors will certainly fix it either way.
G
Thread Starter
Audiworld Junior Member
Joined: Jan 2008
Posts: 42
Likes: 0
Thanks for the info. It is true that I do not have any dial indicators to check the runout....ability is a maybe, in a past life I did it when aligning large rotating equipment....
I did have quite a 'lip' on the rotors the last time I did the pads. That is what lead me to the warped hypothesis.
Thanks again for the help.
Ciao,
I did have quite a 'lip' on the rotors the last time I did the pads. That is what lead me to the warped hypothesis.
Thanks again for the help.
Ciao,
Tech Guru
Joined: Oct 2002
Posts: 8,010
Likes: 192
From: Olney, MD
Stop-Tech has nice article on pad deposits and/or removal.
http://stoptech.com/technical-suppor...eposit-removal
Still, all this vibration on simple pedal-lift deceleration doesn't seem to me to be brake related. I could see it if you were using the brakes, but simply lifting shouldn't do this.
http://stoptech.com/technical-suppor...eposit-removal
Still, all this vibration on simple pedal-lift deceleration doesn't seem to me to be brake related. I could see it if you were using the brakes, but simply lifting shouldn't do this.
Thread
Thread Starter
Forum
Replies
Last Post
LarryJa
Brakes Discussion
1
Mar 17, 2018 11:40 AM
Is it hard to replace rotors? Should I take it to the shop, or is it a DIY for a technicaly inclined
maaliish
A4 (B5 Platform) Discussion
8
May 24, 2001 10:39 AM
