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    Thread: B6 Passat Rear Brake R&R DIY

    1. Junior Member SoSeductive's Avatar
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      07-16-2009 03:37 AM #51
      Hey Mate,
      I literally just noticed that you are in Dallas and that we have the same color car. That's weird huh...well thanks for posting this tutorial btw.
      I need to replace the rear brakes on my Passat as soon as possible and was wondering what you were up to this weekend? All we need is someone with VAG-Com to help open/close the calipers. I mean you posted the tut so you would know what I need the VAG for right.... Please let me know if you can help, thanks.

    2. Member jimb's Avatar
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      '12 A4, '12 Highlander, '06 Passat
      07-18-2009 12:12 AM #52
      Thank you very much for this DIY. It made for one of the easiest brake jobs I have ever done.

    3. Member TerryWood02's Avatar
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      2012 4Dr Golf TDI TechPkg
      07-19-2009 10:13 PM #53
      Thanks for the DIY! Just did all four corners on the B6 including new disks, and all four on my Jetta. Easy Easy time!

    4. 09-25-2009 10:25 AM #54
      I can verify that rear brake pads can be done with out vag com. Long story short:
      - Ensure auto hold and park brake is off
      - Jack the rear and remove wheel
      - Remove the rear brake caliper
      - Crack the bleeder screw
      - Twist and press caliper piston all the way in
      - Tighten bleeder screw once piston is in
      - Install new pads
      - Remount rear brake caliper
      - Remount wheel
      Thanks RedWabbitVR.

    5. 09-25-2009 10:41 AM #55
      Can anyone verify and second that from what Red WabbitVR said about not having VAG to replace rear brakes?

    6. 09-25-2009 12:39 PM #56

    7. 09-25-2009 01:19 PM #57
      I have to agree that having to purchase a program to retract the electric parking brake is a bit much. I do know my way around brakes as I was a certified technician. The systems have not changed much over the past 15 years. I can see just opening the bleeder would allow the piston to be seated again and not throw a code as the fluid is not going back to the master cylinder. I like to see who else chimes in on this fix.

    8. 10-05-2009 12:19 PM #58
      Thanks for a great DIY. I have an 08 2.0T with a bad parking brake switch button. And my rear brakes are trash at 30k Rotors and Pads. Could the bad PB button have cause premature failure of my rear brakes?? The Rear brake have had MAJOR dust on them since I bought the car new... My front brakes have over half the pad left- just have no idea how rear brakes are trash at 30k. Any help would be great thanks.

    9. 10-05-2009 04:43 PM #59
      From what I understand only one caliper in the rear will activate and be the parking brake. Therefore, if it was stuck then only this side would be worn out and rotor possibly toast. If both are doing it then there is another problem...like heavy braking on your part, crappy parts, proportion valve leads the rear brakes to work harder than designed. It is to my understanding that VW designed the rear brakes to work harder than the front. Perhaps some one can verify that. On my B6 the rear breaks do not generate more dust than the front brakes.

      Modified by avgwarhawk at 1:44 PM 10-5-2009


      Modified by avgwarhawk at 1:45 PM 10-5-2009

    10. 10-06-2009 12:58 PM #60
      Thanks for the reply. I am taking the car to another VW dealer to have the brakes replaced and I will check if it one rotor or two that are bad. I do know what the wear is on the inside of the rotor as the pads and rotors are in great condition on the outside of the rear rotors. This is just very stange to me thanks again.

    11. Member
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      10-06-2009 06:54 PM #61
      With the rear brakes make sure you check the thickness yourselves.. my dealer wanted me to change them at 51k miles and claimed i really needed to change them. its finally time at 70k miles to replace them...
      I'll be trying to do the rear brake procedure sans vag-com but with it at the ready.... I'm sure with a mityvac on the bleeders i can do it myself, just like any other brake job.

    12. 10-07-2009 09:03 AM #62
      I'm interested if you can get the brakes changed by just opening the bleeder to allow the caliper piston to seat in the bore. Let me know!

    13. Member
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      10-08-2009 07:20 PM #63
      Thanks to everybody for the notes. Sorry if I missed the opportunity to help out on a brake job, I've been traveling a lot.
      Taking the fluid out of the caliper does allow the piston to make back some, simple displacement. However, the VAGCom activates the motors that work the parking brake and retracting the pistons. I am not saying it won't work, I am saying there have been a lot more people posting that it doesn't work that have successfully done it.
      Also, following the procedures in the DIY also has VAGCom reset the entire elctric motors sytem to compensate for the thickness of the new pads and/or rotors.
      2010 Golf TDI 4 Door Shark Blue. DSG, Sunroof, Dynaudio, Nav, Rear airbags

      Quote Originally Posted by Outie5000 View Post
      And lets be honest, owning a diesel car is nifty.

    14. 10-09-2009 09:04 AM #64
      Rob is going to attempt with just bleeding the caliper and I'm interested in what becomes of it. There is always two ways to skin a cat as they say.

    15. Member
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      1999 VW Passat V6 (Windsor Blue)
      10-18-2009 03:14 PM #65
      Well i just finished the rear brake job. Took just under an hour.
      My buddy at VW service lent me the vagcom cable for the weekend and i just downloaded the software.
      I spoke to him about doing the job without vagcom and he told me that when the new audi a8's came out they had the electronic rears just like our cars and when they attempted to replace the brakes without vagcom it screwed up the calipers and they had to replace them. He also stated that hes had many people trying this having their cars towed for repairs on calipers... so i say just find a friend and borrow a cable... he said its very possible to do this without but why risk it when theres soo many vagcom users out there.

      Funny cause i dont have a laptop so i had my desktop hooked up in my driveway with neighbors looking at me weird.
      Have to say this is the easiest brake job i have ever done even without using vagcom before. If it werent for finding all the tools and removing/installing the wheels this really would take 15 minutes.


      Modified by handsome rob is taken at 12:18 PM 10-18-2009

    16. 10-29-2009 10:26 AM #66
      i have a scanner Launch X-431, it is very usefull for all brands of vehicles and especially for VWs and i am wondering if i can make it work to open the rear calipers on the B6 Passat
      OR
      Do i absolutely need the VAG-COM tool to do that maintenance ?
      thanks in advance.

    17. 10-30-2009 11:14 AM #67
      problem solved, with an other scanner in which you can select the function basic setting, you could do the repair work !

    18. Member
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      11-03-2009 09:49 PM #68
      Thanks for a great DIY. Butter smooth procedure beginning to end.
      Sometimes a majority only means that all the fools are on the same side.

    19. Member briankstan's Avatar
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      11-26-2009 03:02 PM #69
      Well I did my first brake job on the Passat. I followed this tutorial and everything went really smooth. I didn't have any issued.
      thanks for the great DIY Tutorial. [IMG]http://**********************/smile/emthup.gif[/IMG]
      Happy Thanksgiving

    20. Member
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      11-26-2009 06:29 PM #70
      Thanks for the kind words guys. Have a great Thanksgiving weekend.
      C'mon Cowboys!
      2010 Golf TDI 4 Door Shark Blue. DSG, Sunroof, Dynaudio, Nav, Rear airbags

      Quote Originally Posted by Outie5000 View Post
      And lets be honest, owning a diesel car is nifty.

    21. Member JULIOVR6's Avatar
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      11-26-2009 08:40 PM #71
      great job.
      i will try to do this some time next week

    22. 01-09-2010 02:22 PM #72
      A bit of an old post I know, but I changed my rear brakes BEFORE I saw this.
      I dont have the VAG thing and in fact, before I found this site, I had never even heard of it!
      When I went to retract the calipers as I have on all my past cars, naturally they would not go back in. To the internet I went and read here that you need this VAG thing AND that if the calipers extended all the vag, you're toast.
      Figuring I had nothing to lose, this is what I did.
      I just unplugged the brake motor on the caliper and then removed the two screws holding on the motor.
      The motor pops right off.
      I then took a size 24 torx bit into my cordless drive set to low and 1 on the torque setting.
      With the drill in reverse, I put the bit into the caliber hole, which fits nicely and drilled until it got to the end.
      The calipers retraced just fine. And with the gear all the way to the end, the calipers could be easily retraced the rest of the way with a C-Clamp.
      Then I re-installed the motor and the caliper.
      Reconnected the electric connection.
      Put the wheel back on.
      Now, you will notice when you push the parking brake for the first time, it will go for at least double the amount of time. This is because the motor will keep spinning until it measures enough current draw and remember, I spun the gear ALL THE WAY>
      The second side took less than 10 minutes from taking the wheel off and reinstalling it.
      No errors and everything seems fine.
      Anyone else try this way?

    23. 01-30-2010 06:04 PM #73
      Did this procedure. Great diy. One comment. 15 MM THIN wrench needed. I substituted a smaller crescent wrench.

    24. 01-30-2010 06:07 PM #74
      Quote, originally posted by pablo_max »
      A bit of an old post I know, but I changed my rear brakes BEFORE I saw this.
      I dont have the VAG thing and in fact, before I found this site, I had never even heard of it!
      When I went to retract the calipers as I have on all my past cars, naturally they would not go back in. To the internet I went and read here that you need this VAG thing AND that if the calipers extended all the vag, you're toast.
      Figuring I had nothing to lose, this is what I did.
      I just unplugged the brake motor on the caliper and then removed the two screws holding on the motor.
      The motor pops right off.
      I then took a size 24 torx bit into my cordless drive set to low and 1 on the torque setting.
      With the drill in reverse, I put the bit into the caliber hole, which fits nicely and drilled until it got to the end.
      The calipers retraced just fine. And with the gear all the way to the end, the calipers could be easily retraced the rest of the way with a C-Clamp.
      Then I re-installed the motor and the caliper.
      Reconnected the electric connection.
      Put the wheel back on.
      Now, you will notice when you push the parking brake for the first time, it will go for at least double the amount of time. This is because the motor will keep spinning until it measures enough current draw and remember, I spun the gear ALL THE WAY>
      The second side took less than 10 minutes from taking the wheel off and reinstalling it.
      No errors and everything seems fine.
      Anyone else try this way?

      I have not installed brakes on my Passat yet but when I do I will do as you did. After all, the motor for the parking brake is servicable. In short, take it off the caliper as you did.

    25. 02-04-2010 07:55 AM #75
      Hey guys, just did my dads B6 2007 Passat recently without reading this thread and without the VAG cable thingy, but still did it.
      #1) take everything off as described.
      #2) unclip the motor cable from the motor,,,, note... it has only a two pin terminal.... one positive, one negative.
      #3) extend some wires from the car battery and tap them on to these therminals, you should be able to see the piston extend or retract....(just by switching between the positive and negative)
      #4) put everything back together with the new pads.... when you press the brake button.... it is normal to hear the motors trying to engage for a little longer than normal...

      This method works and has no error codes.... or any problems...
      only took about 10 minutes per wheel with the right toolz...
      hope you find it useful

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