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Home >> Saturn >> 2007 >> Relay 3.9 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - Introduction (2 Of 2) >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure

Removal Procedure

NOTE: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.
    Fig 1: View Of Left Spark Plug/Coil Harness
    GM1582091Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the left side spark plug wires from the spark plugs.
  3. Disconnect the left side spark plug wires from the ignition coil.
  4. If replacing only one plug wire, open the retaining clips and remove the spark plug wire.
  5. Remove the left side spark plug wire clips from the intake manifold bracket and heater inlet and outlet pipe.
  6. Remove the spark plug wire assembly.
    7. Fig 2: View Of Spark Plug Wire Assembly
    GM1582938Courtesy of GENERAL MOTORS CORP.
  7. Rotate the engine for access to the back of the engine. Refer to Rotating the Engine for Service Access .
  8. Disconnect the left side spark plug wires from the spark plugs.
  9. Disconnect the right side spark plug wires from the ignition coil.
  10. If replacing only one plug wire, open the retaining clips and remove the spark plug wire.
  11. Remove the right side spark plug wire clip from the ignition coil bracket.
  12. Remove the spark plug wire assembly.
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