Remove/install brake booster vacuum line - AR43.10-P-0355MEX
MODEL 451.390/392/490/492
Fig 1: Identifying Brake Booster Vacuum Line Remove/Install Components - Model 451.390/392/490/492 (1 Of 2)
Fig 2: Identifying Brake Booster Vacuum Line Remove/Install Components - Model 451.390/392/490/492 (2 Of 2)
| Risk of death when touching components on vehicles with high-voltage on-board electrical system | Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems. | AS54.00-Z-0001-01A | |
| Note on high-voltage battery | AH54.10-P-0006-01MEV | ||
| Note on the voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Push down brake pedal several times | ||
| 2 | Remove high-voltage battery | AR54.10-P-1140MEX | |
| 3 | Release and disconnect electrical connectors (6) | ||
| 4 | Unscrew nut (2) on vacuum sensor bracket (3) and remove vacuum sensor bracket (3) | ||
| 5 | Pull brake booster vacuum line (1) out of the seal (4) on the brake booster (5) | ||
| 6 | Unclip brake booster vacuum line (1) from brackets (7, 8) | ||
| 7 | Remove maintenance panel (9) | Model 451.490/492 | |
| 8 | Unclip brake booster vacuum line (1) from brackets (10, 11) | ||
| 9 | Operate both catch hooks of pneumatic clutch (12) simultaneously in the direction of the arrow and detach brake booster vacuum line (1) at brake booster vacuum pump (M57) | ||
| 10 | Pull out the brake booster vacuum line (1) towards the left between the integral support and body, and remove | ||
| 11 | Install in the reverse order |