Removing and installing brake fluid reservoir - AR42.10-P-0301MCU
MODEL 451.3/4 with CODE 494 (US version)
Shown on model 451.30
Model 451.390/490
| Remove | |||
| Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | 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 | |
| Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. | Do not perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been drained. | AS83.00-Z-0001-01A | |
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-N-0005-01A | ||
| Procedure for a damaged or leaky air conditioning system | AH83.30-N-0004-01A | ||
| Notes on handling refrigerant R134a | AH83.30-N-0003-01A | ||
| 1 | Remove maintenance flap | ||
| 2 | Remove front module | Model 451.390/392/490/492 with code 494 (US version) | AR62.30-P-1575MCU |
| 3 | Drain air conditioning system | Model 451.390/392/490/492 with code 494 (US version) |
AR83.30-P-1760MCC |
| 4 | Unscrew cap of hydraulic fluid reservoir for brake fluid (2) and extract brake fluid from hydraulic fluid reservoir for brake fluid (2) | ||
| 5 | Raise vehicle with vehicle lift | ||
| 6 | Remove underfloor panels | ||
| 7 | Remove retainer (6) from master brake cylinder (5) | ||
| 8 | Detach brake lines (8) from master brake cylinder (5) | ||
| 9 | Release brake lines (8) from brackets (9) on underfloor | ||
| 10 | Cut through brake lines (8) at suitable position (arrow C) and remove loose sections of brake lines (8) | Only if a new hydraulic fluid reservoir for brake fluid (2) is to be installed. | |
| 11 | Lower vehicle with vehicle lift | ||
| 12 | Remove right headlamp unit | Model 451.3 (except 451.390/392), 451.4 (except 451.490/492) with code 494 (US version) | AR82.10-P-4730MCU |
| 13 | Unscrew nut (11) | Model 451.390/392/490/492 with code 494 (US version) | |
| 14 | Disconnect refrigerant pressure line (13) and refrigerant line between capacitor and expansion valves (12) from the capacitor | Model 451.390/392/490/492 with code 494 (US version) |
|
| 15 | Swivel right front cooling module (10) outward (arrow), open bracket (14) and remove brake lines (8) | Model 451.390/392/490/492 with code 494 (US version) |
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| 16 | Disconnect electrical connection (4) from hydraulic fluid reservoir for brake fluid (2) | ||
| 17 | Unclip hydraulic fluid reservoir for brake fluid (2) from fresh-air intake (1) using a suitable screwdriver (3) (arrow A) and lift off | ||
| 18 | Release brake lines (8) of hydraulic fluid reservoir for brake fluid (2) from bracket (arrow B) on firewall | ||
| 19 | Raise vehicle with vehicle lift | Only if the hydraulic fluid reservoir for brake fluid (2) is to be reused. | |
| 20 | Lift out hydraulic fluid reservoir for brake fluid (2) | ||
| Install | |||
| 21 | Raise vehicle with vehicle lift | Only if a new hydraulic fluid reservoir for brake fluid (2) is to be installed. | |
| 22 | Route brake lines (8) of brake fluid coolant reservoir (2) to master brake cylinder (5) starting at top and working down | ||
| 23 | Clip brake lines (8) into brackets (9) | ||
| 24 | Connect brake lines (8) to master brake cylinder (5) | Figure | |
| 25 | Install retainer (6) on brake lines (8) | ||
| 26 | Install underfloor paneling | ||
| 27 | Lower vehicle with vehicle lift | ||
| 28 | Swivel right front cooling module (10) outward (arrow), insert brake lines (8) into bracket (14) and close bracket (14) | Model 451.390/392/490/492 with code 494 (US version) |
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| 29 | Clip brake lines (8) of hydraulic fluid reservoir for brake fluid (2) into bracket (arrow B) on firewall | ||
| 30 | Clip hydraulic fluid reservoir for brake fluid (2) onto fresh-air intake (1) | ||
| 31 | Connect electrical connection (4) to hydraulic fluid reservoir for brake fluid (2) | ||
| 32 | Connect refrigerant pressure line (13) and refrigerant line between capacitor and expansion valves (12) with capacitor | ||
| Compressor oils (specification 362.0) | Model 451.390/392/490/492 with code 494 (US version) |
MB 362.0 compressor oil A 001 989 08 03 | |
| 33 | Fit and tighten nut (11) | Model 451.390/392/490/492 with code 494 (US version) | |
| 34 | Install right headlamp unit | Model 451.3 (except 451.390/392), 451.4 (except 451.490/492) with code 494 (US version) | AR82.10-P-4730MCU |
| 35 | Install front module | Model 451.390/392/490/492 with code 494 (US version) | AR62.30-P-1575MCU |
| 36 | Install maintenance flap | Model 451.390/392/490/492 with code 494 (US version) | |
| 37 | Evacuate air conditioning and then fill it | Model 451.390/392/490/492 with code 494 (US version) | AR83.30-P-1760MCC |
| 38 | Bleed brake system | AR42.10-P-0010MCC |