Front rotor removal without taking the calipers off?
Thread Starter
AudiWorld Member
Joined: Oct 2003
Posts: 279
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From: Sweden
Front rotor removal without taking the calipers off?
I decided to try and change the front rotors and pads on my dual piston type brakes.
I can however not get enough space and subsequently torque to remove the brake carrier bolts.
Hence my question in the title, ie is there any other way to get the rotors off with the calipers still in-place?
What would happen if undo the center bolt (not sure of the english name for it but its the bolt holding the hub or perhaps arbor)With the pads off would that give me enough space to get the rotors out?
Thanks/Michael
I can however not get enough space and subsequently torque to remove the brake carrier bolts.
Hence my question in the title, ie is there any other way to get the rotors off with the calipers still in-place?
What would happen if undo the center bolt (not sure of the english name for it but its the bolt holding the hub or perhaps arbor)With the pads off would that give me enough space to get the rotors out?
Thanks/Michael
AudiWorld Super User
Joined: May 2010
Posts: 2,611
Likes: 11
From: East TN
I decided to try and change the front rotors and pads on my dual piston type brakes.
I can however not get enough space and subsequently torque to remove the brake carrier bolts.
Hence my question in the title, ie is there any other way to get the rotors off with the calipers still in-place?
What would happen if undo the center bolt (not sure of the english name for it but its the bolt holding the hub or perhaps arbor)With the pads off would that give me enough space to get the rotors out?
Thanks/Michael
I can however not get enough space and subsequently torque to remove the brake carrier bolts.
Hence my question in the title, ie is there any other way to get the rotors off with the calipers still in-place?
What would happen if undo the center bolt (not sure of the english name for it but its the bolt holding the hub or perhaps arbor)With the pads off would that give me enough space to get the rotors out?
Thanks/Michael
Removing the axle bolt (center) would not help. That is the highest torque bolt on the entire vehicle...and only removed when removing the axle shaft. It normally takes a very large wrench (2-4 ft long) to properly replace, anyway...190nm initial torque, then a full half turn (180 degrees) tighter for proper operation.
Thread Starter
AudiWorld Member
Joined: Oct 2003
Posts: 279
Likes: 6
From: Sweden
AudiWorld Super User
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From: Full-time Utah skier now
Does that end up being more tight than the timing pulley crankshaft bolt?
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AudiWorld Super User
Joined: May 2010
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From: East TN
On the 40V motor, it requires 200nm + 180 degrees...not sure what the final torque equals...I've asked engineers that question before and just got a long list of variables for an answer.
On 32V motors, it's supposed to be a straight 450nm (350nm with the special tool...added leverage)...no extra turns.
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From: Melbourne, Victoria, Australia
I'm not familiar with A8Q stock calipers - are they a floating design like the B5 A4's?
(I know the A8 rotor is the right size for B5 pads)
If so, you could remove the sliding pin bolts and get the caliper off the rotor that way couldn't you? Unless the carrier frame is still fouling the rotor too much...
Ignore this comment if they're a multi-piston design!
(I know the A8 rotor is the right size for B5 pads)
If so, you could remove the sliding pin bolts and get the caliper off the rotor that way couldn't you? Unless the carrier frame is still fouling the rotor too much...
Ignore this comment if they're a multi-piston design!
Last edited by twentysevenlitres; Aug 16, 2013 at 05:52 PM.
AudiWorld Super User
Joined: May 2010
Posts: 2,611
Likes: 11
From: East TN
I'm not familiar with A8Q stock calipers - are they a floating design like the B5 A4's?
(I know the A8 rotor is the right size for B5 pads)
If so, you could remove the sliding pin bolts and get the caliper off the rotor that way couldn't you? Unless the carrier frame is still fouling the rotor too much...
Ignore this comment if they're a multi-piston design!
(I know the A8 rotor is the right size for B5 pads)
If so, you could remove the sliding pin bolts and get the caliper off the rotor that way couldn't you? Unless the carrier frame is still fouling the rotor too much...
Ignore this comment if they're a multi-piston design!