Daewoo MUSSO Service Manual page 72

1A3-12 GENERAL ENGINE INFORMATION
Compression Pressure Measurement
Notice
Ensure that no gear is engaged and that the vehicle is
protected from rolling.
1. Run the engine to be the coolant temperature 80°C.
2. Remove the fuel injection nozzle.
3. Install the test adapter (1) and connect the flexible
connector (2) to the compression pressure recorder.
Compression Pressure Recorder 001 589 76 21 00
4. Disconnect the vacuum line from the stop unit and
connect the hand vacuum pump to the stop unit.
5. Pump the hand vacuum pump and make the fuel injection
pump in stop position.
Operating Pressure
6. Using a starter motor, crank the engine 8 revolutions.
7. Measure the remaining cylinder compression pressure
in the same manner and compare it with service data.
Notice
If out of standard, do cylinder pressure leakage test.
8. Remove the compression pressure recorder.
9. Install the fuel injection nozzle.
Socket Wrench Insert 001 589 65 09 00
Approx. 500bar
Hand Vacuum Pump 001 589 73 21 00