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    VWVortex


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    Thread: Fade

    1. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-05-2012 04:30 AM #1
      UK '06 B6 tFSI 3c0 chassis estate 52k mile - standard original TRW calipers with standard TRW pads changed about 2k ago - no VCDS faults - Discs are original from factory - Autohold's fine as is EPB - Fluid resovoir level seems to stay at same level - there's no evidence of leaks at calipers, they were bled thru after pads' change

      Usual in town driving brake operation is normal and sharp if needed at in town speeds, and brake pedal is hard and at nearly top of travel.

      At speed there is a slight fade soas the pedel very, very gently sinks. Braking is even and there's no drift to either side. Have done brake adaption in VCDS and no change.
      But there's not ever been yet a flush through of brake fluid and replacement with fresh. Am I getting a symptom of this? Or something more severe? Not a mechanic so your experience welcome!

      Address 03: ABS Brakes Labels: 3C0-614-095-C2.clb
      Part No SW: 3C0 614 095 Q HW: 3C0 614 095 Q
      Component: ESP 440 C2 H015 0003
      Revision: H015 Serial number: 0667233697
      Coding: 0013731
      Shop #: WSC 05311 000 00000
      VCID: 3041DD31A338729

      No fault code found.

      Address 53: Parking Brake Labels: 3C0-907-801-53.clb
      Part No SW: 3C0 907 801 B HW: 3C0 907 801 B
      Component: EPB VC8HC001 013 0001
      Revision: 013
      Coding: 0000012
      Shop #: WSC 05311 000 00000
      VCID: 21672875F8D2CB1

      No fault code found.

      Thanks
      RichardSEL

      ... it's only a hobby, only a hobby, only a...

    2. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-05-2012 10:26 AM #2
      Just been on the motorway, took to legal limit and when nothing behind braked hard. ABS came on with a muffled repeated thumping together with hazards. But pedal went to about two thirds of travel

      Anyone?
      RichardSEL

    3. Member
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      07 CW GTI
      08-05-2012 10:31 AM #3
      Start with a fluid flush. Fluid should be flushed every two years, not every six. Make sure you cycle the ABS pump in the process.
      --------------------
      John

      I'd stop drinking beer, but I'm no quitter.

    4. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-05-2012 11:16 AM #4
      Quote Originally Posted by Elwood View Post
      Start with a fluid flush. Fluid should be flushed every two years, not every six. Make sure you cycle the ABS pump in the process.
      Thanks John it's in my Bentley list too, should've had it done before...
      Is ABS pump cycling a function in VCDS?

      Cheers
      Richard

    5. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-05-2012 12:10 PM #5
      Quote Originally Posted by RichardSEL View Post
      Thanks John it's in my Bentley list too, should've had it done before... (shame)
      Is ABS pump cycling a function in VCDS?
      Just found service book, it was done in Nov. '08, still too overdue though...

    6. Member
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      07 CW GTI
      08-05-2012 04:24 PM #6
      Quote Originally Posted by RichardSEL View Post
      Is ABS pump cycling a function in VCDS?
      Yes.
      --------------------
      John

      I'd stop drinking beer, but I'm no quitter.

    7. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-18-2012 07:07 AM #7
      Quote Originally Posted by Elwood View Post
      Yes.
      Right, had the flush thru done. Asked the VAG-certified techie whether I should do the re-adaption of ABS and he said no. Tried the repeat of previous test: took vehicle up to legal limit and braked hard. Slight squeal off-side and ABS came in far more smoothly than before. All perfectly streight under this braking. But this time no "thump-thump-thump" of ABS coming in and out
      Yesterday used VCDS to reset ABS to "factory defaults", and brakes do seem harder under pedal and more responsive. But havn't done same hard-braking test yet.
      Do the brakes/ABS module have to re-learn their operation again?
      See that in VCDS there are a series of setups to do concerning angle etc. But the Wiki says some of these have to be done with all four wheels off the ground. Havn't touched any of these settings.

      How far should I go with re-adjusting these other adaptions?

    8. Member
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      '06 UK B6 BWA 3c0 SEL estate
      08-18-2012 07:28 AM #8
      This is the log I got after doing re-set to basic:

      Address 03: ABS Brakes
      Control Module Part Number: 3C0 614 095 Q
      Component and/or Version: ESP 440 C2 H015 0003
      Software Coding: 0013731
      Work Shop Code: WSC 05311
      VCID: 3041DD31A39FEA98915

      Advanced Identification
      Serial number: 0667233697
      Identification: GNO-000
      Revision: H015
      Date: 23.02.06
      Test stand number: ÿ
      Manufacturer number:
      Flash Status
      Programming Attempts: 1
      Successful Attempts: 2
      Programming Status: 00000000
      Required Conditions: 00000000
      Flash Tool Code: 394758 024 12337
      Flash Date: 23.02.06
      Misc.
      Hardware number: 3C0 614 095 Q
      Lot Number: K03
      VCDS Info:
      Labels: 3C0-614-095-C2.CLB

      Address 03:3C0 614 095 Q channel 0 adapted from --- to 000

      As usual, more info from those in here that know what they're doing very welcome!

    9. Member
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      '06 UK B6 BWA 3c0 SEL estate
      09-02-2012 04:34 AM #9
      After having had the help in the VCDS forum that if there's no fault in the control modules showing then there's little can be done (words to that effect), took to the same motorway yesterday after some miles of mixed motoring without changing anything more.

      Previously had a muffled thump-thump-thump from front end as ABS came in and out (control module also gave the signal to switch on hazards) Had the flush thru and re-fill, re-adapted ABS module, and believing I should also do a basic brakes' adaption from the Wiki site did that too.

      Tried again yesterday same speed 60mph streight line and whilst brake pedal travel is certainly less, and control module activates the hazards, the ABS function is much quieter and appears faster in operation -- more of a thrum-thrum-thrum.

      Just concerned that I might've lessened the ABS's operation and effectiveness -- but don't know which is correct: the before or after? Have I done this the wrong way round i.e. should I have done the basic adaption first or the ABS module first?

      Address 03: ABS Brakes
      Control Module Part Number: 3C0 614 095 Q
      Component and/or Version: ESP 440 C2 H015 0003
      Software Coding: 0013731
      Work Shop Code: WSC 05311
      VCID: 3041DD31A39FEA98915

      Advanced Identification
      Serial number: 0667233697
      Identification: GNO-000
      Revision: H015
      Date: 23.02.06
      Test stand number: ÿ
      Manufacturer number:
      Flash Status
      Programming Attempts: 1
      Successful Attempts: 2
      Programming Status: 00000000
      Required Conditions: 00000000
      Flash Tool Code: 394758 024 12337
      Flash Date: 23.02.06
      Misc.
      Hardware number: 3C0 614 095 Q
      Lot Number: K03
      VCDS Info:
      Labels: 3C0-614-095-C2.CLB
      --------------------------------------------------------------------------------
      Address 03:3C0 614 095 Q channel 0 adapted from --- to 000

    10. Member
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      '06 UK B6 BWA 3c0 SEL estate
      09-11-2012 04:18 AM #10
      Quote Originally Posted by RichardSEL View Post
      Just concerned that I might've lessened the ABS's operation and effectiveness -- but don't know which is correct: the before or after? Have I done this the wrong way round i.e. should I have done the basic adaption first or the ABS module first?
      --------------------------------------------------------------------------------
      Address 03:3C0 614 095 Q channel 0 adapted from --- to 000
      Anyone?

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