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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1044 (Engine Mechanical (VQ40DE)) >> Removal And Installation >> Exhaust Manifold And Three Way Catalyst >> Removal and Installation (Exhaust Manifold) >> Removal (LH)

Removal (LH)

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Perform the work when the exhaust and cooling system have cooled sufficiently.
  1. Remove the engine room cover, (if equipped) using power tool. Refer to "REMOVAL AND INSTALLATION ".
  2. Remove air cleaner case (upper) and air duct and resonator assembly. Refer to "REMOVAL AND INSTALLATION ".
  3. Remove engine under cover. Refer to "REMOVAL AND INSTALLATION ".
  4. Partially drain engine coolant. Refer to "CHANGING ENGINE COOLANT ".
  5. Remove three way catalyst (LH). Refer to "REMOVAL AND INSTALLATION (THREE WAY CATALYST) ".
  6. Remove oil level gauge and oil level gauge guide. Refer to "EXPLODED VIEW ".
  7. Disconnect water hoses at heater pipe. Refer to "EXPLODED VIEW ".
  8. Remove heater pipe from cylinder head (LH). Refer to "EXPLODED VIEW ".
  9. Loosen nuts in reverse order as shown.
    • <=: Front
      NOTE: Disregard the numerical order No. 7 and 8 in removal.
      Fig 1: Tightening Sequence Of Exhaust Manifolds Mounting Nuts (LH)
      G05880541Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove exhaust manifold (LH).
  11. Remove gaskets.
    CAUTION: Cover engine openings to avoid entry of foreign materials.
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