Test compression pressure - AR01.00-P-1200EL
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ENGINE 157, 276, 278 in MODEL 212, 218
| Remove/install | |||
| 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 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 | |
| 1 | Bring engine up to operating temperature (approx. 80°C) | ||
| 2 | Remove key from ignition lock | ||
| 3 | Remove spark plugs | ||
| AP15.10-P-1580EW | |||
| 4 | Attach electrical feed lines on compression recorder (1) and crank engine with the contact switch at the compression recorder | AR01.10-P-0110EL | |
| Figure | |||
| Fig 2 | |||
| Fig 4 | |||
| Check | |||
| 5 | Screw screw-in piece (2) into the tapped bore of the spark plug of the first cylinder | Fig 4 | |
| 6 | Connect compression recorder (1) | Figure | |
| 7 | Crank engine with contact switch for compression recorder (1) until a pressure rise is no longer indicated on compression recorder | ||
| 8 | Carry out testing procedure in the cylinder order on remaining cylinders in the same way | ||
| 9 | Compare measurements obtained with permissible pressures | Compression pressure, installation tolerance or new value | *BE01.00-P-1001-01B |
| Compression pressure, permissible difference between individual cylinders | *BE01.00-P-1002-01B | ||
| Compression pressure, wear limit or limit value If the compression pressure obtained is below the minimum pressure, or if the permissible difference between individual cylinders is exceeded ↓ |
*BE01.00-P-1003-01B | ||
| Check cylinder leakage. | AR01.00-P-1300EL | ||
| 10 | Install in the reverse order |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 157 | ENGINE 276 | |
|---|---|---|---|---|
| BE01.00-P-1003-01B | Compression pressure, wear limit or limit value | bar | 10 | 10 |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 278 | |
|---|---|---|---|
| BE01.00-P-1003-01B | Compression pressure, wear limit or limit value | bar | 10 |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 157 | ENGINE 276 | |
|---|---|---|---|---|
| BE01.00-P-1001-01B | Compression pressure, installation tolerance or new value | bar | 12...16 | 12...16 |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 278 | |
|---|---|---|---|
| BE01.00-P-1001-01B | Compression pressure, installation tolerance or new value | bar | 12...16 |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 157 | ENGINE 276 | |
|---|---|---|---|---|
| BE01.00-P-1002-01B | Compression pressure, permissible difference between individual cylinders | bar | ≤1, 5 | ≤1, 5 |
COMPRESSION PRESSURE
| Number | Designation | ENGINE 278 | |
|---|---|---|---|
| BE01.00-P-1002-01B | Compression pressure, permissible difference between individual cylinders | bar | ≤1, 5 |