Remove/install brake line from the ESP hydraulic unit to the rear axle - AR42.10-P-0035MCU
MODEL 451.3/4
Illustrated on model 451.30
Model 451.391/491
Shown on model 451.30
| Remove/install | |||
| Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | AS42.50-Z-0001-01A | |
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| 1 | Remove maintenance flap | ||
| 2 | Unscrew cap (2) of brake fluid expansion reservoir and suction off brake fluid | ||
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 3 | Raise vehicle using the vehicle lift and remove underfloor paneling | Rechargeable drill / screwdriver GOTIS://G_58.0_01.1 |
|
| 4 | Remove diagonal struts | On model 451.431 | AR61.10-P-5138MCU |
| 5 | Remove bulkhead wall | On model 451.431 | AR61.25-P-6600MCU |
| 6 | Remove high-voltage battery | On model 451.391/491 | AR54.10-P-1140MEV |
| 7 | Unclip retaining clips (5) of electrical line (17) on upper brake line (1) | On model 451.391/491 | |
| 8 | Unscrew plastic nut (3), open folding clamp (4) using a suitable tool and take off | ||
| 9 | Unclip retaining clips (5) of electrical line (6), RPM sensor connector (L6/3x1) and RPM sensor connector (L6/4x1) on the brake lines (1) | ||
| 10 | Unclip brake lines (1) from the bracket (7) | ||
| 11 | Unclip brake line (8) from the bracket (9) | ||
| 12 | Loosen nuts (10), unscrew bolts (11) and remove bracket (12) | ||
| *BA42.45-P-1008-01F | |||
| 13 | Support hydraulic unit (14) using transmission jack and removal fixture | Transmission jack GOTIS://H_00.10_01.0 |
*450589026200 |
| 14 | Check bolted connections of brake lines (15) with the hydraulic unit (14) for color coding | AR42.10-P-0013-05MCC | |
| 15 | Loosen bolted connections of brake lines (15) with the hydraulic unit (14) and separate | ||
If a brake line (15) with red color coding has been loosened, this brake line (15) must be replaced. Refer to: ↓ |
*BA42.10-P-1010-04E | ||
| Remove/install brake line from the master brake cylinder to the ESP hydraulic unit | AR42.10-P-0034MCU | ||
| 16 | Lower the hydraulic unit (14) carefully until the brake lines (1) are accessible | ||
| 17 | Check bolted connections of brake lines (1) with the hydraulic unit (14) and the master brake cylinder (16) for color coding | AR42.10-P-0013-05MCC | |
| 18 | Loosen bolted connections of brake lines (1) with the hydraulic unit (14) and loosen the brake hoses (16) and separate | ||
| *BA42.10-P-1002-04E | |||
| *BA42.10-P-1010-04E | |||
| *450589099904 | |||
| *451589000300 | |||
| 19 | Remove brake lines (1) | ||
| 20 | Install new brake lines (1) | Only if the brake lines (1) with the red color coding have been detached. | |
| 21 | Install in the reverse order | ||
| 22 | Bleed brake system | AR42.10-P-0010MCU |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 451.3/4 | |
|---|---|---|---|
| BA42.10-P-1002-04E | Brake pipe to brake hose | Nm | 16 |
| BA42.10-P-1010-04E | Brake line to ESP hydraulic unit | Nm | 16 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 451.3/4 | |
|---|---|---|---|
| BA42.45-P-1008-01F | Bolt, ESP hydraulic unit bracket to floor panel | Nm | 25 |