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Home >> Suzuki >> 1989 >> Sidekick JLX, Automatic >> Repair and Diagnosis >> Engine Performance >> Specifications >> Distributor Specifications >> Specifications >> Vacuum Advance
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Vacuum Advance

Remove vacuum hose from 3-way connector and attach vacuum gauge. Apply vacuum gauge while observing breaker plate. Breaker plate should operate with a smooth movement and gauge indicator should remain constant. If vacuum advance performance is incorrect, check vacuum unit, vacuum source and distributor.