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Home >> Mazda >> 2021 >> CX-9 Signature >> 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, making sure it is installed in the right direction.
    G09074967Courtesy of MAZDA MOTORS CORP.
  2. After installing the back-up ring, verify that it is installed correctly.
    G09074968Courtesy of MAZDA MOTORS CORP.
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