911 Turbo S Cabriolet (996) F6-3.6L Turbo (2005)
Vacuum Brake Booster: Service and Repair
Installation
Installation
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When replacing the brake booster, observe the correct allocation! Different transmission ratio (boost ratio) of the 911 Turbo (996) compared to the
911 GT2.
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Boost ratio 911 GT2 = 3.15 : 1. Boost ratio 911 Turbo (996) = 3.85 : 1.
1. Install new pushrod (push rod with fastening nut) -12.1- (if not already present) in place of -12- (push rod with retainer). When doing so, observe
installation dimension X (138 mm).
Basic setting of the push rod -dimension X- is 138 mm (set in new brake boosters)! If necessary, correct during the relevant work!
2. Insert brake booster with bellows -B- and tightened clamps -6-.
Note:
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Do not trap wiring harness!
3. Tighten fastening screws (Torx T 45) -arrow- to 23 Nm (17 ft. lbs.).