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Home >> Mercedes Benz >> 1986 >> 560SL >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Vacuum Gauge

Vacuum Gauge

  1. Locate vacuum source hose at 4-way connector near engine. Check for vacuum. If there is vacuum, connect directly to vacuum gauge port or repair hose.
  2. If vacuum gauge works, air conditioning system has a vacuum leak. If gauge does not work, repair vacuum line or replace gauge.
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