SM20.00-W-0003A | Check bracket for coolant pipe | 12.10.10 |
ENGINE 457.9 in MODEL 375.4, 940, 942, 943, 944 with CODE (H03) Air conditioning in front end
W20.00-1047-06
9 Coolant hose
13 Retaining clamps
14 Coolant pipe
15 Bracket
16 Retaining clamps
17 Refrigerant lines
18 AC compressor
19 Bolts
W20.00-1048-06
13 Retaining clamps
14 Coolant pipe
21 Bolts
22 Carrier
W20.00-1049-06
Shown on vehicle with code (N55) Transmission oil cooling
13 Retaining clamps
14 Coolant pipe
23 Retaining clamps
24 Bracket
Operation no. of operation texts or standard texts and flat rates
Category | Op. no. | Operation text | Time | Acc. no. | Code |
O | 027344 | OPERATION: CHECK BRACKET FOR COOLANT PIPE | 0.2 h | 20 910 64 | U BRACKET |
O | 027345 | OPERATION: RETROFIT BRACKET FOR COOLANT PIPE | 1,8h | 20 910 64 | U BRACKET |
| Checking | ||
1 | Remove soundproofing below the engine | ||
2 | Check whether the bracket (24) is already installed | If the bracket (24) is already installed: | |
Install soundproofing under the engine again and complete measure. | |||
If the bracket (24) is not installed: | |||
Retrofit bracket (24) for coolant pipe (from operation step 3). | |||
Install bracket for coolant pipe | |||
3 | Switch off ignition | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | |
4 | Partially drain coolant at radiator | ||
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; shield off hazard area if necessary. | |
5 | Release poly-V belt and remove from A/C compressor (18) | ||
6 | Remove retaining clamps (13) of coolant pipe (14) from bracket (15) | ||
7 | Remove retaining clamps (16) of refrigerant lines (17) from bracket (15) | ||
8 | Remove bracket (15) | ||
9 | Detach electrical connector for magnetic clutch of A/C compressor (18) | ||
10 | Remove bolts (19) from A/C compressor (18) | ||
11 | Remove A/C compressor (18) with connected refrigerant lines (17) downward | Fasten A/C compressor (18) using wire to a suitable position. | |
12 | Remove bolts (21) from carrier (22) of A/C compressor (18) | With regard to return shipment or scrapping of removed parts, please observe the information in your warranty system. | |
13 | Remove coolant pipe (14) from coolant hose (9) | ||
14 | Remove retaining clamps (13) from coolant pipe (14) rotate through 180° and slide back on to the coolant pipe (14) | ||
15 | Mount coolant pipe (14) onto coolant hose (9) | ||
16 | Remove retaining clamps (23) for transmission fluid lines | Only on vehicles with code (N55) transmission oil cooling. | |
17.1 | Install new bracket (24) for coolant pipe (14) | For vehicles without code (N55) Transmission oil cooling | |
| |||
17.2 | Fit new bracket (24) using retaining clamps (23) for transmission fluid lines | For vehicles with code (N55) Transmission oil cooling: | |
| |||
18 | Fit retaining clamps (13) of coolant pipe (14) onto new bracket (24) | Mount retaining clamps (13) free of tension, if necessary realign position of coolant pipe (14). | |
19 | Install carrier (22) of A/C compressor (18) using new bolts (21) | | |
20 | Install A/C compressor (18) | | |
21 | Connect electrical connector for magnetic clutch of A/C compressor (18) | Use new cable tie. | |
22 | Install bracket (15) | ||
23 | Mount retaining clamps (16) of refrigerant lines (17) onto bracket (15) | ||
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; shield off hazard area if necessary. | |
24 | Install poly V-belt to A/C compressor (18) | ||
25 | Pour in coolant | ||
26 | Mount soundproofing below the engine |
Coolant pump, coolant thermostat
Refrigerant compressor
Number | Designation | Model | ||
BA83.55-N-1001-01C | Bolt, refrigerant compressor/bracket | Nm | 25 | |
BA83.55-N-1005-01C | Bolt, A/C compressor carrier to cylinder crankcase | Stage 1 | Nm | 20 |
Stage 2 | ° | 90 | ||
Parts ordering notes
Part no. | Designation | Quantity |
Q600 25 05 | Parts kit (TS) for bracket (for vehicles without code (MP6 or MP7 or MP8) Preinstallation for retrofitting FRIGOBLOCK) | 1 |
Q601 25 05 | Parts kit (TS) for bracket (for vehicles with code (MP6 or MP7 or MP8) Preinstallation for retrofitting FRIGOBLOCK) | 1 |
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