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Home >> Mazda >> 2017 >> CX-3 Sport, AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Injector Removal/Installation >> Back-up Ring Installation Note
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Back-up Ring Installation Note

  1. Install the back-up ring being, making sure it is installed in the right direction.
    Fig 1: Installing Back-Up Ring Being
    G11274413Courtesy of MAZDA
  2. After installing the back-up ring, verify that it is installed correctly.
Fig 2: Back-Up Ring Proper And Improper Position
G11274414Courtesy of MAZDA