1 | Vacuum tester |
S43.10-4510-11
Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
| Check | ||
1 | Attach vacuum tester (1) to brake booster | ||
Test connection | |||
Vacuum tester | |||
2 | Bring engine to an operating temperature of approx. 80 °C | ||
3 | Turn off engine | ||
4 | Release vacuum by depressing the brake pedal several times | ||
5 | Start engine | ||
6 | Read off measurement value | Keep engine at idle and read off the measurement value on the vacuum tester (1) after 30 s and 50 s. | |
Vacuum in hose after engine has been running for 30 seconds | |||
Vacuum in hose after engine has been running for 50 seconds | |||
7 | Turn off engine | ||
8 | Read off measurement value | After 30 s, read off the measurement value on the vacuum tester (1). | |
Vacuum in hose after engine OFF for 30 seconds | |||
In case of pressure loss outside the limit value | |||
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Replace vacuum line with check valve | |||
In case of pressure loss outside the limit value | |||
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Checking brake booster | |||
9 | Remove vacuum tester (1) at brake booster | ||
Test connection | |||
Vacuum tester |
201 589 13 21 00
Vacuum tester
168 589 08 63 00
Test connection
Referenced documents
- ar4310s002401cd Connect/disconnect testing unit at brake booster
- ar4310s0325cd Checking brake booster
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.