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Home >> Acura >> 1989 >> Integra LS, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests - 4-CYL >> Air Induction Systems >> Air Intake System >> Dashpot

Air Intake System: Dashpot

  1. Check vacuum hose for blockage or leaks. Disconnect vacuum hose from dashpot. Connect vacuum pump/gauge to diaphragm vacuum supply hose. Apply vacuum and check if vacuum bleeds out slowly.
  2. If vacuum holds steady or bleeds out rapidly, replace dashpot check valve and retest. Connect vacuum pump/gauge directly to diaphragm fitting. Apply vacuum. Ensure that dashpot rod pulls in and vacuum holds. If not, replace diaphragm and retest.
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