Remove/Install Air Conditioner Housing - AR83.30-P-5200MFA
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Model 118, 177, 247
| 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 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 | |
| Notice | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notice | Notes on coolant | Model 118, 177, 247 with engine 139, 260, 282 | AH20.00-P-2080-01KOA |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove/install | |||
| 1 | Remove expansion valve. | AR83.30-P-5520MFA | |
| 2 | Carefully open cap at coolant expansion reservoir, release pressure in coolant system, and close cap again. | ||
| 3 | Release and disconnect coolant hoses (3), and seal exposed connections with suitable protective covers. | AR20.20-P-7441-01RQ | |
| Fig 1 | |||
| 4 | Remove crossmember under instrument panel. | AR68.10-P-1120MFA | |
| 5 | Remove powertrain control unit (N127) and place to one side with connected lines. | Model 118, 177, 247 with engine 139, 260, 282, 608, 654 Do not crush or kink or subject electric lines to tension. This will result in damage to the electric lines and can impair their function. |
AR07.08-P-0002MFE |
| 6 | Remove holder of powertrain control unit (N127) from air conditioner housing (A32). | If air conditioner housing (A32) is replaced. | |
| 7 | Detach drain hose (1) from air conditioner housing (A32). | AR83.30-P-5200-03A | |
| 8 | Disconnect positive line and ground line from PTC heater booster (R22/3). | Model 118, 177, 247 with engine 608, 654 | AR83.70-P-8000MFA |
| 9 | Release and disconnect electrical connectors from air conditioner housing (A32). | ||
| 10 | Remove electrical wiring harnesses from air conditioner housing (A32). | ||
| 11 | Guide air ducts at bottom out of air conditioner housing (A32). | ||
| 12 | Carefully take air conditioner housing (A32) off holders (2) and remove. | ||
| 13 | Remove detachable parts of air conditioner housing (A32). | If air conditioner housing (A32) is replaced. | |
| 14 | Install in the reverse order. | ||
| 15 | Fill coolant, bleed engine cooling system, and check for leak tightness. | Model 118, 177, 247.7 with engine 139 | AR20.00-P-1142MFG |
| Model 118, 177, 247 with engine 260, 282 | AR20.00-P-1142MFC | ||
| Model 118, 177, 247 with engine 608 | AR20.00-P-1142MFE | ||
| Model 118, 177, 247 with engine 654 | AR20.00-P-1142MFF |