Vacuum Brake Booster
Test Specifications For Pneumatic Brake Booster
NOTE: In order to allow as far as possible for errors in measurement (incorrect force on brake pedal, incorrect vacuum) and measuring instrument scatter, a tolerance of ±10 bar on the specified value is permissible.
Model 129.05/06
With ATE T52/4A 22S-210 or Lucas LSC 115 booster
Brake booster diameter 203/228.6 mm (8/9 inch)
Boost factor approx. 5.6
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 14-25 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 35-45 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 53-63 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 71-81 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 87-98 bar
Model 129.076
With ATE T52/4A 225-210 booster
Brake booster diameter 203/228.6 mm (8/9 inch)
Boost factor approx. 5.6
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 14-25 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 35-45 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 53-63 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 71-81 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 87-98 bar
Model 140.02/03/1
With ATE T52/4A 225-210 or Lucas LSC 115 booster
Brake booster diameter 203/228.6 mm (8/9 inch)
Boost factor approx. 5.6
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 14-25 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 35-45 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 53-63 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 71-81 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 87-98 bar
Model 140.04/O5/06/07
With ATE T52/A4 255-225 booster
Brake booster diameter 228.6/254 mm (9/10 inch)
Boost factor approx. 6.85
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 13-25 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 35-47 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 57-69 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 78-92 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 95-105 bar
Model 202.018 up to 9/93
Models 202.120/121/122/125 up to 04/94
With Lucas LSC 65 or Bendix Isovac 225 dia. booster
Brake booster diameter 228.6 mm (9 inch)
Boost factor approx. 3.85
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 7-15 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 26-38 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 43-58 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 62-75 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 78-88 bar
Model 202.018 up to 9/93
Models 202.120/121/122/125 up to 04/94
With Lucas LSC 65 or Bendix Isovac 225 dia. booster
Brake booster diameter 228.6 mm (9 inch)
Boost factor approx. 3.85
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 7-15 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 26-38 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 43-58 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 62-75 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 78-88 bar
Model 202.02/078/08/128/13/18/19
Model 202.018 as of 10/93
Models 202.120/121122/125 as of 05/94
With ATE T52/4A/255 or Lucas LSC 80 booster
Brake booster diameter 254 mm (10 inch)
Boost factor approx. 4.5
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 13-23 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 32-44 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 48-62 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 62-78 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 75-91 bar
Models 208.335/345/347/365/435/465,
Models 208.370/470 (USA)
Brake booster diameter 254 mm (10 inch)
Boost factor approx. 4.5
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 13-23 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 32-44 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 48-62 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 62-78 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 75-91 bar
Model 210.003/004/006/010/017/020/035/037/206/210/235/237
Model 210.217 up to 01 /97 (Teves),
Model 210.061/261 without ESP
Brake booster diameter 254 mm (10 inch)
Boost factor approx. 5.0
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 15-25 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 38-50 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 57-70 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 72-83 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 82-91 bar
Model 210.015/016/025/045/053/055/063/065/070/072/081/082/210/215/216/225/245/265/272/281/282/606/610/617/663
Model 210.217 as of 01/1997 (Teves),
Model 208.370/470 except USA
Model 202.033/093,
Model 210.074/274,
Model 210.061/261 with ESP
Brake booster diameter 203/228.6 mm (8/9 inch)
Boost factor approx. 5.6
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 8-18 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 33-40 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 52-61 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 68-79 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 82-95 bar
Models 215
Models 220
Brake booster diameter 243 mm (8/9 inch)
Boost factor approx. 6.3
Intake pipe vacuum 0.75-0.8 bar
Force On Brake Pedal 50 N
Line Pressure In Brake Lines 22-30 bar
Force On Brake Pedal 100 N
Line Pressure In Brake Lines 42-52 bar
Force On Brake Pedal 150 N
Line Pressure In Brake Lines 60-70 bar
Force On Brake Pedal 20O N
Line Pressure In Brake Lines 80-95 bar
Force On Brake Pedal 25O N
Line Pressure In Brake Lines 100-120 bar