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Spark Plugs Replacement Procedure 2.5L Engine 
Project: Spark Plugs Replacement Procedure 2.5L Engine
Models:
  • 2002 Nissan Altima
  • 2003 Nissan Altima
  • 2004 Nissan Altima
  • 2005 Nissan Altima
  • 2006 Nissan Altima
Tools:
  • 10 mm socket  - Removing and installing spark plug coil bolts
  • 16 mm socket  - Removing and installing spark plug

Nissan Altima Spark Plugs Replacement Procedure 2.5L Engine

1. Remove the engine cover.

2. Remove ignition coils.

a. Disconnect the harness connector from the ignition coil.

b. Remove the ignition coil.

Nissan Altima Spark Plugs Replacement Procedure 2.5L Engine

3. Remove the spark plug with a suitable spark plug wrench or any 16mm socket

Nissan Altima Spark Plugs Replacement Procedure 2.5L Engine

4. Install the spark plugs.

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