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Home >> Mazda >> 2018 >> 3 Touring, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Injector Removal/Installation >> Back-up Ring Installation Note

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
    G11450819Courtesy of MAZDA MOTORS CORP.
  2. After installing the back-up ring, verify that it is installed correctly.
Fig 2: Back-Up Ring Correct And Incorrect Position
G11450820Courtesy of MAZDA MOTORS CORP.