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Old 02-27-2012, 10:47 PM   #11
HI-life-GTI
Newbie
 
Drives: 2010 GTI DSG CARBON
Join Date: Feb 2012
Location: WA
Posts: 4
Copied/Pasted from ALLdata

On vehicles with Electronic Differential Lock (EDL), EDL/Anti-Slip Regulation (ASR) or EDL/ASR/Electronic Stabilization Program (ESP), the brake system must be pre-bled when a chamber in the brake fluid reservoir is completely empty. This will happen if there are leaks in the brake system.

Pre-Bleeding



Connect the (VAS 5234) or (V.A.G 1869 ).
Bleeding sequence:

1 - Bleed the left front and right front brake calipers simultaneously

2 - Bleed the left rear and right rear brake caliper together simultaneously



With the bleeder bottle hoses attached, leave the bleeder valves open long enough that brake fluid exits without bubbles.
Then, the brake system must be bled normally
Bleeding

Adhere strictly to the work sequence when bleeding the brake system.



Connect the (VAS 5234) or (V.A.G 1869 ).
Open the bleeder valves in the sequence below and bleed the brake calipers.
1- Left front

2 - Right front

3 - Left rear

4 - Right rear

Use a suitable bleeder hose. It must fit tightly on the valve so that no air gets into the brake system.



With the bleeder bottle hose attached, leave the valve open long enough that brake fluid exits without bubbles.
Post-Bleeding

A second mechanic is required to assist:



Press the brake pedal forcefully and hold.
Open the bleeder valve at the brake caliper.
Press the brake pedal down to the floor.
Close the bleed valve when the brake pedal is pushed down all the way.
Release the brake pedal slowly.
This bleeding procedure must be performed 5 times per brake caliper.

Bleeding sequence:

1- Left front

2 - Right front

3 - Left rear

4 - Right rear

A road test must be performed after bleeding. During this, at least one ABS regulation stop must be performed!
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