Checking Brake Booster Check Valve - AR43.10-P-0023FR
Model 257
Model 290
Shown on model 257
Shown on model 257
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove | |||
| Remove wiper arms. | AR82.30-P-6100FR | ||
| 2 | Remove cover (1) on driver's side. | ||
| 3 | Remove air/water duct. | ||
| 4 | Remove strut (2). | ||
| Check | |||
| 5 | Remove vacuum in BAS brake booster (A7/7) by depressing brake pedal several times. | ||
| 6 | Connect vacuum tester (030) with test connection (031) at BAS brake booster (A7/7). | AR43.10-P-0024-01FR | |
| Fig 1 | |||
| Fig 2 | |||
| 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. | AS00.00-Z-0005-01A | |
| 7 | Start the engine and switch off once test pressure is reached. | ||
| Check valve/pressure in vacuum system of brake booster | *BE43.10-P-1006-01G | ||
| 8 | Check check valve (17). | Check valve/pressure in vacuum system of brake booster | *BE43.10-P-1006-01G |
| In the event of a problem, ↓ Replace vacuum line (8) with check valve (17) |
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| AR43.10-P-0355FR | |||
| 9 | Disconnect vacuum tester (030) with test connection (031) from BAS brake booster (A7/7). | AR43.10-P-0024-01FR | |
| Install | |||
| 10 | Install support (2). | *BA62.30-P-1003-02K | |
| *BA62.30-P-1004-02K | |||
| 11 | Install air/water duct. | ||
| 12 | Install cover (1) on driver's side. | ||
| 13 | Install wiper arms. | AR82.30-P-6100FR |
CHECK VALUES FOR PNEUMATIC BRAKE BOOSTER
| Number | Designation | Model 257 | Model 290 | ||
|---|---|---|---|---|---|
| BE43.10-P-1006-01G | Check valve/pressure in vacuum system of brake booster | Test pressure (vacuum) | bar | 0, 75...0, 8 | 0, 75...0, 8 |
| Test period | s | 30 | 30 | ||
| Permissible pressure loss | bar | ≤0, 2 | ≤0, 2 | ||
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 257 | Model 290 | |
|---|---|---|---|---|
| BA62.30-P-1003-02K | Screw/bolt, lower strut to suspension strut tower mounting bracket | Nm | 50 | 50 |
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 257 | Model 290 | |
|---|---|---|---|---|
| BA62.30-P-1004-02K | Screw/bolt, lower strut to firewall | Nm | 23 | 23 |