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  1. #1
    Established Member Two Rings black2.7t's Avatar
    Join Date
    Mar 07 2012
    AZ Member #
    89511
    My Garage
    2003 Audi A4 1.8T - traded 2005 Cobalt SS - DD
    Location
    knoxville

    retracting the rear brake caliper

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    can i retract rear brake caliper piston without the clamp tool on a b6 a4? Can i just loosen the brake bleed screw and relive the pressure and screw in the caliper with hand? and be fine?
    03 A4 1.8T, silver/black, 5speed, Stage 1+ APR, gutted cat, APR Injectors, 6puck ACT unsprung clutch disc, light weight clutch masters flywheel, 034 street density tranny mount.

  2. #2
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '09 CC VR6 Sport
    Location
    Western Maryland

    It can be done but it takes a bit of force. It helps to have a "Cube of Death" available at any Automotive parts supply. You do not need to open the bleeder screw.






    .

  3. #3
    Veteran Member Four Rings Kwarner's Avatar
    Join Date
    Sep 06 2009
    AZ Member #
    47376
    Location
    Bay Area
    Items for Sale

    Renting the tool is free from Autozone. Save yourself the headache.

  4. #4
    Veteran Member Four Rings BARRY's Avatar
    Join Date
    Nov 02 2007
    AZ Member #
    22288
    My Garage
    AE86 20v, UZZ30 LS2, 2002 A4 B6 1.8t
    Location
    Hollywood, Ca
    Items for Sale

    i've had issues with rear calipers of many cars before. some need a little work with the cube and clamping force at the same time. i don't have the nice dealer tool that clamps and turns, so when just the cube doesn't work i do two steps. use the cube...turn turn turn until you realize the turning isn't turning the piston inwards. remove cube take your c-caliper vise and clamp down a few turns to put some pressure. remove the c-clamp vise then use the cube again with a VERY strong hand, forcing the piston inwards while turning. if this doesn't work, use the vice again...this procedure always works eventually. sometimes it'll take 30 minutes but it will eventually work.

  5. #5
    Veteran Member Four Rings CoreyRS's Avatar
    Join Date
    Aug 07 2009
    AZ Member #
    46056
    My Garage
    Honda Hawk NT-650
    Location
    Mountain View, CA

    x10 rent the tool from autozone, the little cube part didn't fit on mine
    Buy my:
    | Brilliant Black Oettinger Rear | non-usp fog grills | soul black trim | AMB valve cover |

  6. #6
    Veteran Member Four Rings boostedAvant's Avatar
    Join Date
    Mar 27 2008
    AZ Member #
    26960
    My Garage
    A Meat Wagon
    Location
    Denver

    I just did rears on mine, after trying to retract it for a while and cursing, I just rented the damn tool. As Tyler said "You know what a good trick is, having the right tool for the fucking job" I believe those were close to his exact words.
    -Jace-

    RogueEuro

    "Beer should only come in liters, it leads to brilliance" - tankdeer

    Meat Wagon


  7. #7
    Established Member Two Rings black2.7t's Avatar
    Join Date
    Mar 07 2012
    AZ Member #
    89511
    My Garage
    2003 Audi A4 1.8T - traded 2005 Cobalt SS - DD
    Location
    knoxville

    other than him not replacing the caliper with the broken boot, heres how to do it with the "cube of death"

    03 A4 1.8T, silver/black, 5speed, Stage 1+ APR, gutted cat, APR Injectors, 6puck ACT unsprung clutch disc, light weight clutch masters flywheel, 034 street density tranny mount.

  8. #8
    Registered Member One Ring Cheffy's Avatar
    Join Date
    Nov 08 2012
    AZ Member #
    103713
    Location
    Daphne, AL

    This was a great video and saved my husband a lot of frustration. Thanks!

  9. #9
    Veteran Member Four Rings walky_talky20's Avatar
    Join Date
    Jun 30 2008
    AZ Member #
    30427
    Location
    Erie, Pennsylvania

    Quote Originally Posted by black2.7t View Post
    other than him not replacing the caliper with the broken boot
    Yeah, big no no there. The failed boot means the piston is rusty. Then he's using his tool to twist and force it back through the caliper seal. Chances of that caliper eventually sticking on and burning up those nice new pads and rotor is pretty high.
    ^Don't listen to this guy, he's not even a mechanic.
    2001 Laser Red A4 1.8TQM, 5-Speed Swapped, APR 93, Splitter, electronic oil pressure gauge, B6 Sport 17's, ST Coilovers,
    Need to borrow a Cam Chain Tensioner Tool? $4 for shipping. PM me. *Available*

  10. #10
    Veteran Member Three Rings DiertyEuroSpec's Avatar
    Join Date
    Aug 21 2009
    AZ Member #
    46695
    Location
    Fairfield County, CT

    Quote Originally Posted by boostedAvant View Post
    As Tyler said "You know what a good trick is, having the right tool for the fucking job" I believe those were close to his exact words.
    Amen and also the method that BARRY suggested helped me out..Sometimes it needs some more pressure then whats being applied to back in as opposed to just spinning.
    2003 A4 1.8T Quattro | 18" BBS CH | KW V3 | K04-15 | United Motorsport | RA4 Stage 1 w/SMFW | Milltek | OCT TIP | TR1.8 FMIC | USP F/R | H-Sport F/R Sway | APR Snub | RS4 Motor Mounts | Stern Trans Mount | Skid Plate | Solid Tie Rod Ends | Short Shifter | Euro Shift Knob | VMR Boost Gauge | S4 F/R Brakes | Tyrolsport Stiffening Kit | ECS S.S. Lines | Hawk HPS Pads | 034 PCV

  11. #11
    Senior Member Four Rings Charles.waite's Avatar
    Join Date
    Jun 27 2011
    AZ Member #
    77478
    My Garage
    2004 A4 1.8TQ 6MT USP 2006 A4 Avant 2.0T tip
    Location
    Seattle, WA

    I'll throw in my plug for the MetalNerd Retractor tool I bought. Saved me hours of frustration (once I read the manual and started using it correctly that is ).

    http://www.metalnerd.com/cat08.htm

    $45 VERY well spent.
    -CP
    USP CLUB MEMBER #136
    2004 A4 1.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR6EIX-11 - 034 Rear Swaybar (Soft Setting) and Endlinks - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
    2008 Black Unicorn (2.0t S-Line Ti 6MT Avant) - BKR7EIX-11
    SOLD -- 2006 A4 2.0TQ Avant Tiptronic stocker - Failing TC Mod

  12. #12
    Veteran Member Three Rings woofster's Avatar
    Join Date
    Jun 10 2007
    AZ Member #
    18699
    Location
    Toronto, Ontario, Canada

    Although I'm aware of the rear brake piston design, for some reason I've always been able to do it simply with a standard C-clamp. The pressure of the clamp provides enough friction to rotate the piston as it rotates with the cup of the C-clamp.
    2003 Acura MDX
    2006 BMW X3

  13. #13
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '09 CC VR6 Sport
    Location
    Western Maryland

    Quote Originally Posted by woofster View Post
    Although I'm aware of the rear brake piston design, for some reason I've always been able to do it simply with a standard C-clamp. The pressure of the clamp provides enough friction to rotate the piston as it rotates with the cup of the C-clamp.
    Wow. You were lucky that you didn't destroy the caliper. You must have a rusted up pivot ball in your C-clamp pad.

  14. #14
    Veteran Member Four Rings Myst420's Avatar
    Join Date
    Dec 07 2008
    AZ Member #
    36074
    My Garage
    02 Nissan Xterra
    Location
    Tampa

    Its always SOO much easier with the right tool. I've never used the cube, but this is what I use:

    02 A4 Quattro 1.8T
    Votex kit, Neuspeed race springs and Koni struts, 18" AT Italia Flash Sport wheels, painted lowers.
    Nuespeed: Chip, Exhaust, Short Shifter, Rear Sway-Bar, Dual Side-Mount Intercoolers, Forge Splitter.

  15. #15
    Veteran Member Four Rings walky_talky20's Avatar
    Join Date
    Jun 30 2008
    AZ Member #
    30427
    Location
    Erie, Pennsylvania

    ^I use the same kit. It works a treat.
    ^Don't listen to this guy, he's not even a mechanic.
    2001 Laser Red A4 1.8TQM, 5-Speed Swapped, APR 93, Splitter, electronic oil pressure gauge, B6 Sport 17's, ST Coilovers,
    Need to borrow a Cam Chain Tensioner Tool? $4 for shipping. PM me. *Available*

  16. #16
    Veteran Member Three Rings DiertyEuroSpec's Avatar
    Join Date
    Aug 21 2009
    AZ Member #
    46695
    Location
    Fairfield County, CT

    Quote Originally Posted by Myst420 View Post
    Its always SOO much easier with the right tool. I've never used the cube, but this is what I use:

    Look familiar...same kit
    2003 A4 1.8T Quattro | 18" BBS CH | KW V3 | K04-15 | United Motorsport | RA4 Stage 1 w/SMFW | Milltek | OCT TIP | TR1.8 FMIC | USP F/R | H-Sport F/R Sway | APR Snub | RS4 Motor Mounts | Stern Trans Mount | Skid Plate | Solid Tie Rod Ends | Short Shifter | Euro Shift Knob | VMR Boost Gauge | S4 F/R Brakes | Tyrolsport Stiffening Kit | ECS S.S. Lines | Hawk HPS Pads | 034 PCV

  17. #17
    Senior Member Two Rings
    Join Date
    Apr 19 2012
    AZ Member #
    92179
    Location
    Tri State
    Items for Sale

    Quote Originally Posted by Myst420 View Post
    Its always SOO much easier with the right tool. I've never used the cube, but this is what I use:


    That didn't work for me. I noticed that it was not rotating the piston. I used the strange cube device that was a pain in the ass but at least it worked.

  18. #18
    Senior Member Four Rings customa4's Avatar
    Join Date
    Apr 07 2011
    AZ Member #
    73592
    My Garage
    92 Geo Prizm
    Location
    CT

    Did you have you're ebrake engaged?
    K&N-Milltek HFC-Magnaflow Catback-APR snub mount-ER Sport FMIC-Forge TIP-Forge DV-Podi-034 Motor Mounts-034 Rear Sway/End Links-STaSIS Street Sport Coils-Bentley Manual

  19. #19
    Veteran Member Four Rings Myst420's Avatar
    Join Date
    Dec 07 2008
    AZ Member #
    36074
    My Garage
    02 Nissan Xterra
    Location
    Tampa

    The only way that kit didn't work is if you had the wrong attachment on. That kit works for just about every make and model. You have to use the small round one with 2 pins that match up to the caliper.



    Edit: custom, good point. I didn't think about that.


    Sent from my HTC6500LVW using Tapatalk
    02 A4 Quattro 1.8T
    Votex kit, Neuspeed race springs and Koni struts, 18" AT Italia Flash Sport wheels, painted lowers.
    Nuespeed: Chip, Exhaust, Short Shifter, Rear Sway-Bar, Dual Side-Mount Intercoolers, Forge Splitter.

  20. #20
    Senior Member Four Rings customa4's Avatar
    Join Date
    Apr 07 2011
    AZ Member #
    73592
    My Garage
    92 Geo Prizm
    Location
    CT

    Lol the only reason I mention it is because I had the same kit and it wasn't working. I even went out of my way to go buy the cube and try with that. No go. After that I realized something wasn't right and let the ebrake go. Put the original kit with the proper attachment back on and everything went smooth as butter.
    K&N-Milltek HFC-Magnaflow Catback-APR snub mount-ER Sport FMIC-Forge TIP-Forge DV-Podi-034 Motor Mounts-034 Rear Sway/End Links-STaSIS Street Sport Coils-Bentley Manual

  21. #21
    Senior Member Two Rings
    Join Date
    Apr 19 2012
    AZ Member #
    92179
    Location
    Tri State
    Items for Sale

    Quote Originally Posted by BARRY View Post
    i've had issues with rear calipers of many cars before. some need a little work with the cube and clamping force at the same time. i don't have the nice dealer tool that clamps and turns, so when just the cube doesn't work i do two steps. use the cube...turn turn turn until you realize the turning isn't turning the piston inwards. remove cube take your c-caliper vise and clamp down a few turns to put some pressure. remove the c-clamp vise then use the cube again with a VERY strong hand, forcing the piston inwards while turning. if this doesn't work, use the vice again...this procedure always works eventually. sometimes it'll take 30 minutes but it will eventually work.
    This is exactly correct! Took me about 30 minutes on each rear caliper using the "cube of death" and the tool that I rented from AutoZone. (BTW: I bought two cubes just to make sure one of them worked and I am glad I did because only one fit.)

  22. #22
    Established Member Two Rings
    Join Date
    Jul 25 2012
    AZ Member #
    97487
    Location
    MI

    Quote Originally Posted by S4bmwslayer View Post
    This is exactly correct! Took me about 30 minutes on each rear caliper using the "cube of death" and the tool that I rented from AutoZone. (BTW: I bought two cubes just to make sure one of them worked and I am glad I did because only one fit.)
    I found it is easier with 90* needle nose and c clamp. Apply light pressure to the piston with the c clamp, turn the piston in using the needle nose points in the little notches that would engage the CoD (Cube of Death), apply a little more pressure with the c clamp, turn in with needle nose, repeat until finished.
    sic semper tyrannnis, canis



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