GTO V8-6.0L VIN U (2005)
18. Important: Do not push the booster push rod or the brake pedal.
Remove the master cylinder assembly (4).
19. Remove and discard the O-ring (3).
20. Remove the reservoir and the reservoir seals, if necessary.
Installation Procedure
1. Install the reservoir and the reservoir seals, if necessary.
2. Install a NEW O-ring (3) to the master cylinder (4).
3. Install the master cylinder assembly to the vacuum brake booster.
