Checking Check Valve - AR43.10-P-0023GZ
MODEL 164, 166, 292
Shown on model 164.175
| 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 | |
| Check | |||
| 1 | Open engine hood and raise to vertical position | Model 164 | AR88.40-P-1000GZ |
| Model 166 | AR88.40-P-1000GQ | ||
| 2 | Remove cover over left suspension strut tower | Model 166, 292 | |
| 3 | Connect vacuum tester (1) to BAS brake booster (A7/7) | AR43.10-P-0024-01GZ | |
| Fig 2 | |||
| Fig 1 | |||
| 4 | Start engine and generate vacuum of 0.75 to 0.80 bar; to do so, depress accelerator pedal and release abruptly | ||
| 5 | Reduce vacuum by depressing brake pedal | If the vacuum is too high. | |
| 6 | Switch off engine and observe pressure gauge of vacuum tester (1) | If the vacuum drops by more than 0.2 bar in 30 s ↓ Replace vacuum line with check valve (2) |
|
| 7 | Check BAS brake booster (A7/7) | Model 164 | AR43.10-P-0350GZ |
| Model 166, 292 | AR43.10-P-0325GZ | ||
| If BAS brake booster (A7/7) is damaged ↓ Replace BAS brake booster (A7/7) |
AR43.10-P-0350GQ | ||
| 8 | Detach vacuum tester (1) | AR43.10-P-0024-01GZ | |
| Fig 1 | |||
| Fig 2 | |||
| 9 | Install cover over left suspension strut tower | Model 166, 292 | |
| 10 | Close engine hood | Model 164 | AR88.40-P-1000GZ |
| Model 166 | AR88.40-P-1000GQ |