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Home >> Mazda >> 2018 >> 6 Signature >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Fuel System (VIN M)) >> Fuel Injector Removal/Installation >> Back-Up Ring Installation Note
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Back-Up Ring Installation Note

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  1. Install the back-up ring, making sure it is installed in the right direction.
    Fig 1: Back-Up Ring
    G09074967Courtesy of MAZDA MOTORS CORP.
  2. After installing the back-up ring, verify that it is installed correctly.
    Fig 2: Checking Back-Up Ring Good And Not Good Condition
    G09074968Courtesy of MAZDA MOTORS CORP.