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Home >> Honda >> 1984 >> Accord Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - TOYO DENSO Electronic >> Adjustment >> Vacuum Advance

Vacuum Advance

  1. Remove distributor cap. Disconnect vacuum hose from distributor vacuum advance. Connect vacuum pump to diaphragm. Gradually draw a vacuum while watching breaker plate movement.
  2. Check for smooth operation without binding. If pump indicates a loss of vacuum, replace diaphragm unit. Turn breaker plate right and left to check for free movement.
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