Engine Compression
Check compression pressure with engine at normal operating temperature and throttle valve fully open. Crank engine through at least 8 revolutions.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Compression Ratio | |||
| 240D | 21 . 0 : 1 | ||
| 300 Series | 21 . 5 : 1 | ||
| Compression Pressure | |||
| Normal | |||
| 240D | 319-348 psi (22.4-24.4 kg/cm2 ) | ||
| 300 Series | 348-435 psi (24.4-30.6 kg/cm2 ) | ||
| Minimum | 218 psi (15.3 kg/cm2 ) | ||
| Maximum Variation Between Cylinders | 44 psi (3.1 kg/cm2 ) | ||