V90 L6-2.9L VIN 96 B6304S (1998)
Compression Check: Testing and Inspection
SPECIAL TOOLS:
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Compression Gauge tool No. 999 9689, or equivalent
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Starter Switch tool No. 115 8263, or equivalent
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Extension tool No. 115 8540, or equivalent
WARNING:
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THE IGNITION SYSTEM OPERATES AT HIGH POWER, WITH DANGEROUS VOLTAGES IN BOTH THE LOW-TENSION AND
HIGH TENSION CIRCUITS.
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DANGEROUS VOLTAGE LEVELS OCCUR IN ALL PARTS OF THE IGNITION SYSTEM, INCLUDING CONNECTORS AND
SIMILAR FITTINGS.
CONDITIONS
Tool No. 115 8540-3 Extension For Compression Tester Tool No. 999 9689-4
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Measure compression with engine hot with throttle fully open.
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Normal value: 1.3-1.5 MPa (184-213 psi)
NOTE: Above values apply when hot engine is turned at 250-300 rpm using starter motor, with throttle fully open.
PROCEDURE
1. Disconnect/remove:
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timing pick-up connector
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ignition coil cover
