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Radio Condenser Capacity

Using a condenser tester, check for .38-.56 microfarads.

  1. On Civic and CRX, remove distributor cap. Disconnect vacuum hoses at distributor. Connect vacuum pump to diaphragm. Gradually draw 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.
  3. On all models, disconnect and plug vacuum hoses at distributor. Connect timing light and start engine. Make sure idle speed is correct. Connect vacuum pump to advance side of diaphragm (lower fitting) and apply vacuum.
  4. Disconnect vacuum pump from diaphragm. Connect a "T" fitting to vacuum pump hose. Connect 2 pieces of vacuum hose to "T" and apply vacuum to both sides of diaphragm.
  5. Apply 4 in. Hg of vacuum and gradually increase vacuum in increments of 4 in. Hg. To check maximum advance, apply 20 in. Hg. Ensure vacuum advance values agree with specification.
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