LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 1989 >> 780 GLE, AW71 >> Repair and Diagnosis >> Engine Performance >> Adjustments >> Engine Compression
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Engine Compression

CAUTION: Failure to disconnect ignition coil negative terminal may cause damage to ignition system control unit(s).

Warm engine to normal operating temperature. Disconnect single wire from negative terminal of ignition coil. Check compression with all spark plugs removed, throttle valve wide open and at normal cranking speed (250-300 RPM).

scientia non olet · About LEMON Manuals