Remove/Install Low Temperature Circuit Cooler - AR09.41-P-6936MFG
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2023 Mercedes-Benz CLA45 AMG, 2023 Mercedes-Benz CLA35 AMG, 2023 Mercedes-Benz CLA250, 2022 Mercedes-Benz CLA45 AMG, and 2022 Mercedes-Benz CLA35 AMG. However, it is still accessible from the selected car via links, so may be relevant.
Engine 139 in model 118, 177, 247
MODIFICATION NOTES
| 18.03.2020 | Document completely revised. |
Fig 1: Low Temperature Circuit Cooler Components Location - Model 118 In Engine 139 (Shown On Model 177)
Shown on model 177
Shown on model 177
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove air intake pipe upstream of the air filter housing. | AR09.10-P-1150MFG | |
| 2 | Drain off Low Temperature circuit coolant. | AR09.41-P-6834MFG | |
| 3 | Discharge air conditioning system. | AR83.30-P-1760MFA | |
| 4 | Remove front left lamp unit. | AR82.10-P-4733MFA | |
| 5 | Remove air ducts (9). | ||
| 6 | Remove screws (4) and remove holder (6). | *BA00.10-P-1002-04A | |
| 7 | Remove screws (7) and remove holder (8). | *BA00.10-P-1002-04A | |
| 8 | Unclip electrical wiring harness (16) from crossmember (2). | Fig 4 | |
| 9 | Release and disconnect electrical connectors (15). | ||
| 10 | Unscrew screw (14). | *BA00.10-P-1002-04A | |
| 11 | Remove screws (3) and remove crossmember (2). | ||
| *BA62.30-P-1001-02O | |||
| 12 | Remove air duct segment (5). | ||
| 13 | Remove air duct segment (13) forward. | ||
| 14 | Remove nut (17), disconnect refrigerant line (18) and seal exposed openings with suitable stop plugs. | ||
| Compressor oils (specification 362.1) | BB00.40-P-0362-01A | ||
| *BA83.30-P-1012-01T | |||
| Fig 5 | |||
| Fig 2 | |||
| 15 | Unscrew screws (19) and remove refrigerant line (18) from radiator Low Temperature circuit (1). | *BA00.10-P-1002-04A | |
| 16 | Remove coolant hoses (10) and seal openings with protective covers. | AR20.20-P-7441-01RQ | |
| Fig 3 | |||
| 17 | Remove bleed line (11) and seal openings with suitable stop plugs. | Fig 5 | |
| 18 | Open brackets (12) and remove Low Temperature circuit cooler (1) upward. | ||
| Check | |||
| 19 | Check Low Temperature circuit cooler (1) for damage. | If there are problems: ↓ replace Low Temperature circuit cooler (1). |
|
| 20 | Install in the reverse order. | ||
| 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 | |
| 21 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143
| Number | Designation | 8.8 | 10.9 | |
|---|---|---|---|---|
| BA00.10-P-1002-04A | M6x1 | Nm | 9 | 13 |
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 118 | Model 177 | |||
|---|---|---|---|---|---|---|
| BA62.30-P-1001-02O | Screw, impact absorber/absorber to crossmember | M10 | Stage 1 | Nm | 28 | 28 |
| Stage 2 | ∠° | 135 | 135 | |||
FROND END WITH FRONT REINFORCEMENT
| Number | Designation | Model 247 | |||
|---|---|---|---|---|---|
| BA62.30-P-1001-02O | Screw, impact absorber/absorber to crossmember | M10 | Stage 1 | Nm | 28 |
| Stage 2 | ∠° | 135 | |||
AIR CONDITIONING
| Number | Designation | Model 118 | Model 177 | |
|---|---|---|---|---|
| BA83.30-P-1012-01T | Screw/nut, refrigerant line to refrigerant line | Nm | 20 | 20 |
AIR CONDITIONING
| Number | Designation | Model 247 | |
|---|---|---|---|
| BA83.30-P-1012-01T | Screw/nut, refrigerant line to refrigerant line | Nm | 20 |