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V90 L6-2.9L VIN 96 B6304S (1998)

Powertrain Management > Tune-up and Engine Performance Checks > Compression Check > System Information > Specifications > Page 1709

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Compression Check: Testing and Inspection

SPECIAL TOOLS:

-

Compression Gauge tool No. 999 9689, or equivalent

-

Starter Switch tool No. 115 8263, or equivalent

-

Extension tool No. 115 8540, or equivalent

WARNING: 

-

THE IGNITION SYSTEM OPERATES AT HIGH POWER, WITH DANGEROUS VOLTAGES IN BOTH THE LOW-TENSION AND
HIGH TENSION CIRCUITS.

-

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

-

Measure compression with engine hot with throttle fully open.

-

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:

-

timing pick-up connector

-

ignition coil cover

Powertrain Management > Tune-up and Engine Performance Checks > Compression Check > System Information > Specifications > Page 1709

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