Engine Compression
WARNING: This page is about a different variant/trim than selected.
Ensure battery is fully charged. Warm engine to normal operating temperature. Disconnect wire at ignition coil to prevent engine from starting. Check engine compression with all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Compression Ratio | |||
| FWD Van | |||
| Caravan 3.0L | 8.9:1 | ||
| Voyager 3.0L | 8.9:1 | ||
| Normal Compression Pressure | |||
| FWD Van | |||
| Caravan 3.0L | 178 psi (1227 kPa) | ||
| Voyager 3.0L | 178 psi (1227 kPa) | ||
| Minimum Compression Pressure | |||
| FWD Van | |||
| Caravan 3.0L | 100 psi (690 kPa) | ||
| Voyager 3.0L | 100 psi (690 kPa) | ||
| Maximum Variation Between Cylinders | |||
| FWD Van | |||
| Caravan 3.0L | 25 Percent | ||
| Voyager 3.0L | 25 Percent | ||