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Home >> Mazda >> 2016 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Timing Chain Removal/Installation >> Engine Front Cover Removal Note

Engine Front Cover Removal Note

  1. Set the engine wiring harness aside using the following procedure:
    1. Disconnect the purge solenoid valve connector. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
    2. Disconnect or remove the following parts.
      Fig 1: Identifying High Pressure Fuel Pump Connector, Camshaft Position Connector (Exhaust/Intake), Wiring Harness Clip And Bolt
      G10951451Courtesy of MAZDA MOTORS CORP.
      COMPONENT DESCRIPTION

      1 High pressure fuel Dump connector
      2 Exhaust camshaft position sensor connector
      3 Intake camshaft position sensor connector
      4 Wiring harness clip
      5 Bolt
    3. Remove the throttle body. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
    4. Disconnect or remove the following parts.
      Fig 2: Identifying Wiring Harness Clip And Wiring Harness Protector Installation Nut
      G10951452Courtesy of MAZDA MOTORS CORP.
      COMPONENT DESCRIPTION

      1 Wiring harness clip
      2 Wiring harness clip
      3 Wiring harness protector installation nut
      Fig 3: Identifying Oil Pressure Switch Connector, Wiring Harness Clip, Engine Oil Solenoid Valve Connector And Bolts
      G10951453Courtesy of MAZDA MOTORS CORP.
      COMPONENT DESCRIPTION

      1 Bolt
      2 Wiring harness clip
      3 Wiring harness clip
      4 Crankshaft position (CKP) sensor connector
      5 Engine oil solenoid valve connector
      6 A/F sensor connector
      7 Oil pressure switch connector
      NOTE:
      • Remove the wiring harness clip next to the water pump by inserting a flathead screwdriver into the hole next to the water pump pulley as shown in the figure.
      Fig 4: Inserting Flathead Screwdriver Into Water Pump Pulley
      G10951454Courtesy of MAZDA MOTORS CORP.
    5. Set the engine wiring harness in a place which does not interfere with the servicing.
      Fig 5: Identifying Engine Wiring Harness
      G10951455Courtesy of MAZDA MOTORS CORP.
  2. Remove the engine front cover installation bolts.
  3. Using a screwdriver wrapped in a cloth, peel the silicone sealant away a little at a time, and remove the engine front cover.
CAUTION:
  • Do not apply excessive force to the screwdriver. Otherwise, the engine front cover could be damaged.
  • Be careful not to scratch or damage the seal surface. Otherwise, it could cause oil leakage.
Fig 6: Peeling Silicone Sealant Using Screwdriver
G10951456Courtesy of MAZDA MOTORS CORP.
Fig 7: Removing Engine Front Cover
G10951457Courtesy of MAZDA MOTORS CORP.
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