Remove/Install Expansion Valve - AR83.30-P-5520MFA
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Model 118, 177, 243, 247
Shown on model 177 with engine 282.9 with code 228
| Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | Never 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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | AS83.00-Z-0007-01A | |
| Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. | No parts of the body or limbs should be within the operating area when the components are moving. | AS00.00-Z-0011-01A | |
| Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts | Never 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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | AS83.00-Z-0006-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 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 | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notes on handling refrigerant R134a | AH83.30-P-0003-01KOA | ||
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| Remove/install | |||
| 1 | Discharge air conditioning system. | Model 118, 177, 247 with engine 260, 282, 608, 654Model 118, 177, 247.7 with engine 139 Model 243 with engine 780 |
AR83.30-P-1760MFA |
| 2 | Remove on-board electrical system battery. | Model 118, 177, 247 with code B01 (48V technology) | AR54.10-P-1134MFI |
| Model 118, 177, 247 except code B01 (48V technology) | AR54.10-P-0005MFA | ||
| Model 243 | AR54.10-P-0005EQA | ||
| 3 | Remove heat shield (1) from firewall. | Model 118, 177, 247 with engine 654 | AR49.10-P-0001MFF |
| Model 118, 177, 247 with engine 608 | AR49.10-P-0001MFE | ||
| Model 118, 177, 247 with engine 282 | AR49.10-P-0001MFD | ||
| Model 118, 177, 247 with engine 260 | AR49.10-P-0001MFC | ||
| Model 118, 177, 247.7 with engine 139 | AR49.10-P-0001MFG | ||
| 4 | Remove nut (2) on firewall from auxiliary heating valve holder (3). | Model 118, 177, 247 with code 228 (Additional warm water heating) |
|
| 5 | Remove auxiliary heating valve holder (3) with auxiliary heating valve and place to one side. | Model 118, 177, 247 with code 228 (Additional warm water heating) |
|
| 6 | Remove nut (4) of refrigerant lines (5, 6). | *BA83.30-P-1001-01T | |
| 7 | Remove refrigerant lines (5, 6) and seal exposed openings with suitable stop plugs. | ||
| BB00.40-P-0362-01A | |||
| Fig 2 | |||
| 8 | Remove screws (7). | *BA83.30-P-1009-01T | |
| 9 | Remove expansion valve (8) and seal exposed openings using suitable stop plugs | ||
| BB00.40-P-0362-01A | |||
| Fig 2 | |||
| 10 | Install in the reverse order. | ||
| Check | |||
| 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 | |
| 11 | Perform engine test run, check air conditioning system for proper operation and leak tightness. | AR83.30-P-1760MFA |
AIR CONDITIONING
| Number | Designation | Model 118 | Model 177 | ||
|---|---|---|---|---|---|
| BA83.30-P-1001-01T | Nut, refrigerant line to expansion valve | M6 | Nm | 12 | 12 |
AIR CONDITIONING
| Number | Designation | Model 243 | Model 247 | ||
|---|---|---|---|---|---|
| BA83.30-P-1001-01T | Nut, refrigerant line to expansion valve | M6 | Nm | 12 | 12 |
AIR CONDITIONING
| Number | Designation | Model 118 | Model 177 | |
|---|---|---|---|---|
| BA83.30-P-1009-01T | Bolt, expansion valve to retaining plate | Nm | 7 | 7 |
AIR CONDITIONING
| Number | Designation | Model 243 | Model 247 | |
|---|---|---|---|---|
| BA83.30-P-1009-01T | Bolt, expansion valve to retaining plate | Nm | 7 | 7 |