Altima 2007-2009

Oil Pan

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Removal & Installation



2.5L Engine

Specific to:

Nissan Altima 2007-2008

  1. Raise and safely support the vehicle and drain the oil.
  2.  
  3. Remove the front exhaust pipe.
  4.  
  5. Remove power steering cooler hose bracket from suspension member.
  6.  
  7. Remove the front subframe for clearance to remove the oil pan.

    Remove nut on lower portion of stabilizer bar connecting rod from lower suspension arm.
     
    Remove suspension arm from subframe and swing it outward.
     
    Remove front exhaust pipe.
     
    Support engine or transmission with a jack.
     
    Remove steering gear bolts. Remove steering gear and power steering tube bracket from suspension member. Hang steering gear.
     
    Set a jack under subframe and remove the nuts.
     

  8.  
  9. Remove the lower oil pan bolts and remove the pan.
  10.  
  11. Remove the oil strainer.
  12.  
  13. Remove rear plate cover and four engine-to transaxle bolts.
  14.  
  15. Loosen the upper oil pan bolts and remove the upper oil pan. Note the different bolt lengths.
  16.  

To install:

  1. Carefully clean all sealing surfaces and apply a bead of RTV sealant to the upper oil pan. Install new O-rings and fit the pan into place. Start the bolts finger tight.
  2.  
  3. Torque the oil pan bolts in sequence to 16 ft. lbs. (22 Nm).
  4.  
  5. Torque the pan-to-transaxle bolts to 31 ft. lbs. (46 Nm).

    Click image to see an enlarged view

    Fig. Upper oil pan bolt torque sequence-2.5L engine

  6.  
  7. Install the strainer and torque the bolts
  8.  
  9. Apply RTV to the lower oil pan to 16 ft. lbs. (22 Nm).
  10.  
  11. Install the subframe:

    Raise the subframe into place and start all fasteners.
     
    Torque the large subframe bolts to 107 ft. lbs. (145 Nm).
     
    Torque the suspension arm bolts to 114 ft. lbs. (155 Nm).
     
    Reconnect steering gear and stabilizer bar.
     

  12.  
  13. Install the remaining components and refill the engine with oil.
  14.  
  15. Run the engine to check for leaks.
  16.  

Specific to:

Nissan Altima 2009-2010


WARNING
To avoid the danger of being scalded, never drain the engine oil when the engine is hot.



Click image to see an enlarged view

Fig. Exploded view of oil pan assembly

  1. Drain engine oil.
  2.  
  3. Remove the front exhaust tube.
  4.  
  5. Remove power steering cooler hose bracket from suspension member.
  6.  
  7. Remove the front suspension member for clearance to remove the oil pan.
  8.  
  9. Remove the lower oil pan bolts in the order as shown.

    Click image to see an enlarged view

    Fig. Remove the lower oil pan bolts in the order

  10.  
  11. Remove the lower oil pan using Tool KV10111100 (J-37228).
    NOTE
    Tap gently to cut sealant around the pan; do not damage the mating surface using Tool.

  12.  
  13. Remove the oil strainer.
  14.  
  15. Remove rear plate cover, and four engine-to transaxle bolts.
  16.  
  17. Loosen the upper oil pan bolts in the order shown to remove upper oil pan.

    Click image to see an enlarged view

    Fig. Loosen the upper oil pan bolts in the order

  18.  
  19. Remove upper oil pan using Tool KV10111100 (J-37228).
    NOTE
    Tap gently to cut sealant around the pan; do not damage the mating surface using Tool.

  20.  
  21. Clean the oil strainer screen to remove any foreign material.
  22.  

To install:

  1. Installation is in the reverse order of removal.
  2.  
  3. Apply Genuine Silicone RTV Sealant or equivalent to the upper oil pan as shown.
    CAUTION
    Install two new O-rings in the upper pan.



    Click image to see an enlarged view

    Fig. Apply Genuine Silicone RTV Sealant or equivalent to the upper oil pan (A)

  4.  
  5. Tighten the upper oil pan bolts in the order as shown.

    Click image to see an enlarged view

    Fig. Tighten the upper oil pan bolts in the order as shown

  6.  
  7. Apply Genuine Silicone RTV Sealant or equivalent to the lower oil pan (A) as shown.

    Click image to see an enlarged view

    Fig. Apply Genuine Silicone RTV Sealant or equivalent to the lower oil pan (A)

  8.  
  9. Tighten the lower oil pan bolts in the numerical order shown.
    CAUTION
    Wait at least 30 minutes after the oil pans are installed before filling the engine with oil.



    Click image to see an enlarged view

    Fig. Tighten the lower oil pan bolts in the numerical order shown

  10.  
  11. Check for any engine oil leaks with the engine at operating temperature and running at idle.
  12.  

3.5L Engine

Specific to:

Nissan Altima 2007-2008


WARNING
When removing the front and rear engine through bolts and nuts, lift the engine up slightly for safety. When removing the upper oil pan from the engine, first remove the crankshaft position sensor. Be careful not to damage sensor edges or signal plate teeth.

  1. Disconnect the battery negative cable.
  2.  
  3. Raise and safely support the vehicle and remove the front wheels.
  4.  
  5. Remove the engine undercover and the right inner fender splash shield.
  6.  
  7. Drain the oil and remove the oil dipstick.
  8.  
  9. Drain the engine coolant.
  10.  
  11. Remove the A/C drive belt.
  12.  
  13. Remove the front exhaust pipe.
  14.  
  15. Remove coolant pipe bolts.
  16.  
  17. Remove the A/C compressor with piping attached and position it out of the way securely with wire. Do not pull on or crimp the A/C lines and hoses.
  18.  
  19. Disconnect the coolant lines from the engine oil cooler and plug them to prevent coolant loss.
  20.  
  21. Remove the oil filter and engine oil cooler from the upper oil pan.
  22.  
  23. Remove the oil pressure switch/sensor, and the crankshaft position sensor (POS) from the upper oil pan.
  24.  
  25. Remove the right halfshaft.
  26.  
  27. Disconnect the oxygen sensors and remove the two catalytic converters from the exhaust manifolds.
  28.  
  29. Remove the rear plate cover from the upper oil pan.
  30.  
  31. Loosen the lower oil pan bolts and remove the lower oil pan. Be careful not to damage the mating surfaces.
  32.  
  33. If removing the upper oil pan, remove the Crankshaft Position Sensor (CKP).
  34.  
  35. Remove the four upper oil pan-to-transaxle bolts.
  36.  
  37. Loosen the upper oil pan bolts in reverse of the tightening sequence.
  38.  
  39. Insert an appropriate size tool into the notch at the right rear of the upper oil pan and carefully pry the pan off.
  40.  
  41. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing. Discard the O-rings.
  42.  
  43. Remove front cover gasket and rear oil seal retainer gasket.
  44.  
  45. Remove the oil strainer.

    Click image to see an enlarged view

    Fig. Oil pan bolt tightening sequence-3.5L engine



    Click image to see an enlarged view

    Fig. Apply RTV sealant to the front cover oil pan gasket and rear oil strainer gasket-3.5L engine

  46.  

To install:

  1. Carefully clean all sealing surfaces and bolt holes. Take care to not scratch or damage the sealing surfaces when cleaning off the old sealant.
  2.  
  3. Install oil strainer.
  4.  
  5. Apply RTV sealant to the front cover gasket and the rear oil seal retainer gasket and install them.
  6.  
  7. Carefully apply RTV sealant to the upper oil pan only as shown in the illustration. Note the bead of sealant is inside most of the bolt holes.

    Click image to see an enlarged view

    Fig. Apply RTV sealant only as shown-3.5L engine

  8.  
  9. Install new O-rings on the cylinder block and oil pump body.
  10.  
  11. Carefully install the upper oil pan and start all the bolts. Torque the bolts in order to 13 ft. lbs. (17 Nm).
  12.  
  13. Install the four upper oil pan-to-transaxle bolts and torque to 13 ft. lbs. (17 Nm).
  14.  
  15. Apply RTV sealant to the lower oil pan and install the pan. Torque the bolts in a crossing pattern to 78 inch lbs. (9 Nm).
  16.  
  17. Wait at least 30 minutes before refilling the engine with oil.
  18.  
  19. Install the remaining components.
  20.  

Lower Oil Pan

Specific to:

Nissan Altima 2009-2010


WARNING
You should not remove the oil pan until the exhaust system and cooling system have completely cooled off.

  1. Drain the engine oil.
  2.  
  3. Loosen the lower oil pan bolts in order as shown.

    Click image to see an enlarged view

    Fig. Loosen the lower oil pan bolts in order as shown

  4.  
  5. Remove the lower oil pan.
    1. Insert Tool KV10111100 (J-37228) between the lower oil pan and the upper oil pan.
      CAUTION
      Be careful not to damage the mating surface. Do not insert a screwdriver, this will damage the mating surfaces.

    2.  
    3. Slide the Tool by tapping its side with a hammer to remove the lower oil pan from the upper oil pan.
    4.  

  6.  
  7. If re-installing the original lower oil pan, remove the old sealant from the mating surfaces using a scraper.
    1. Also remove the old sealant from mating surface of the upper oil pan.
    2.  
    3. Remove the old sealant from the bolt holes and threads.
      CAUTION
      Do not scratch or damage the mating surfaces when cleaning off the old sealant.

    4.  

  8.  
  9. Clean oil strainer if any object is attached.
  10.  

To install:

  1. Apply a continuous bead of sealant to the lower oil pan.
    1. Use Genuine Silicone RTV Sealant, or equivalent.
    2.  
    3. Installation must be done within 5 minutes after applying sealant.
    4.  

  2.  
  3. Install the lower oil pan. Tighten the lower oil pan bolts in order as shown.

    Click image to see an enlarged view

    Fig. Tighten the lower oil pan bolts in order as shown

    1. Wait at least 30 minutes before refilling the engine with oil.
    2.  
    3. Start the engine and check for leaks.
    4.  
    5. Inspect the engine oil level.
    6.  

  4.  

Upper Oil Pan CVT Models

Specific to:

Nissan Altima 2009-2010


WARNING



You should not remove the oil pan until the exhaust system and cooling system have completely cooled off.
 
When removing the front and rear engine through bolts and nuts, lift the engine up slightly for safety.
 


CAUTION
When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS). Be careful not to damage sensor edges or signal plate teeth.

  1. Remove the engine from the vehicle.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove the oil dipstick.
  6.  
  7. Remove the drive belt.
  8.  
  9. Disconnect the A/C compressor harness connector.
  10.  
  11. Remove the A/C compressor bolts and remove the A/C compressor.
  12.  
  13. Remove coolant pipe bolts.
  14.  
  15. Disconnect the coolant lines from the engine oil cooler.
  16.  
  17. Remove the oil filter and engine oil cooler from the upper oil pan.
  18.  
  19. Remove the oil pressure switch, and the crankshaft position sensor (POS) from the upper oil pan.
  20.  
  21. Remove the lower oil pan.
  22.  
  23. Remove the upper oil pan.
    1. Loosen the bolts in the order as shown.

      Click image to see an enlarged view

      Fig. Loosen the bolts in the order as shown

    2.  
    3. Insert an appropriate size tool into the notch of the upper oil pan.

      Click image to see an enlarged view

      Fig. Insert an appropriate size tool into the notch (1) of the upper oil pan; pry off the upper oil pan by moving the tool up and down (2)

    4.  
    5. Pry off the upper oil pan by moving the tool up and down.
    6.  

  24.  
  25. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing. Use new O-rings for installation.
  26.  
  27. Remove front cover gasket and rear oil seal retainer gasket.
  28.  
  29. Remove the oil strainer.
  30.  
  31. If re-installing the original oil pan, remove the old sealant from the mating surfaces using a scraper.
    1. Also remove the old sealant from mating surface of the cylinder block.
    2.  
    3. Remove the old sealant from the bolt holes and threads.
      CAUTION
      Do not scratch or damage the mating surfaces when cleaning off the old sealant.

    4.  

  32.  
  33. Clean oil strainer if any object is attached.
  34.  

To install:


CAUTION
Wait at least 30 minutes before refilling the engine with oil.

  1. Install oil strainer and tighten bolt to specified torque.
  2.  
  3. Apply Genuine Silicone RTV Sealant or equivalent, to the front cover gasket and the rear oil seal retainer gasket as shown.
  4.  
  5. Install the front cover gasket and rear oil seal retainer gasket as shown.
  6.  
  7. Apply a bead of sealant to the cylinder block mating surface of the upper oil pan to a limited portion as shown.
    1. Use Genuine Silicone RTV Sealant, or equivalent.
    2.  
    3. Attaching should be done within 5 minutes after coating.
    4.  

  8.  
  9. Install new O-rings on the cylinder block and oil pump body.
  10.  
  11. Install the upper oil pan.
    1. Tighten upper oil pan bolts in the order as shown.

      Click image to see an enlarged view

      Fig. Tighten upper oil pan bolts in the order as shown

    2.  
    3. Wait at least 30 minutes before refilling the engine with oil.
    4.  

  12.  
  13. Install the lower oil pan.
  14.  
  15. Installation of the remaining components is in the reverse order of removal.
    1. Start the engine and check for leaks.
    2.  
    3. Inspect the engine oil level.
    4.  

  16.  

Upper Oil Pan M/T Models

Specific to:

Nissan Altima 2009-2010


WARNING



You should not remove the oil pan until the exhaust system and cooling system have completely cooled off.
 
When removing the front and rear engine through bolts and nuts, lift the engine up slightly for safety.
 


CAUTION
When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS). Be careful not to damage sensor edges or signal plate teeth.

  1. Drain the engine coolant.
  2.  
  3. Drain engine oil.
  4.  
  5. Disconnect the battery negative terminal.
  6.  
  7. Remove the engine room cover.
  8.  
  9. Remove the front air duct, air duct hose and air cleaner assembly.
  10.  
  11. Remove the cowl top.
  12.  
  13. Remove the intake manifold collector.
  14.  
  15. Remove the cooling fan assembly.
  16.  
  17. Remove the front suspension member.
  18.  
  19. Disconnect the heated oxygen sensors and air flow ratio (A/F) sensors and remove the two catalytic convertors from the exhaust manifolds.
  20.  
  21. Remove the oil gauge and oil gauge guide from the oil pan.
  22.  
  23. Remove the drive belt.
  24.  
  25. Remove the A/C compressor with piping attached, and position it out of the way securely with wire.
    CAUTION
    Do not pull on or crimp the A/C lines and hoses.

  26.  
  27. Remove coolant pipe bolts.
  28.  
  29. Disconnect the coolant lines from the engine oil cooler and plug them to prevent coolant loss.
  30.  
  31. Remove the oil filter.
  32.  
  33. Disconnect the oil pressure switch electrical connector.
  34.  
  35. Remove the oil pressure switch, if necessary and the crankshaft position sensor (POS) from the upper oil pan.
  36.  
  37. Remove the oil cooler, if necessary.
  38.  
  39. Remove the rear plate cover from the upper oil pan.

    Click image to see an enlarged view

    Fig. Remove the rear plate cover from the upper oil pan

  40.  
  41. Remove the lower oil pan.
  42.  
  43. Remove the four upper oil pan to transaxle bolts.

    Click image to see an enlarged view

    Fig. Remove the four upper oil pan to transaxle bolts

  44.  
  45. Remove the upper oil pan.
    1. Loosen the bolts in the order as shown.

      Click image to see an enlarged view

      Fig. Loosen the bolts in the order as shown

    2.  
    3. Insert an appropriate size tool into the notch of the upper oil pan as shown.

      Click image to see an enlarged view

      Fig. Insert an appropriate size tool into the notch (1) of the upper oil pan; pry off the upper oil pan by moving the tool up and down (2)

    4.  
    5. Pry off the upper oil pan by moving the tool up and down as shown.
    6.  

  46.  
  47. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing, use new O-rings for installation.

    Click image to see an enlarged view

    Fig. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing

  48.  
  49. Remove front cover gasket and rear oil seal retainer gasket.
  50.  
  51. Remove the oil strainer.
  52.  
  53. If re-installing the original oil pan, remove the old sealant from the mating surfaces using a scraper.
    1. Also remove the old sealant from mating surface of the cylinder block.
    2.  
    3. Remove the old sealant from the bolt holes and threads.
      CAUTION
      Do not scratch or damage the mating surfaces when cleaning off the old sealant.

    4.  

  54.  
  55. Clean oil strainer if any object is attached.
  56.  

To install:


CAUTION
Wait at least 30 minutes before refilling the engine with oil.

  1. Install oil strainer and tighten bolt to specified torque.
  2.  
  3. Apply Genuine Silicone RTV Sealant or equivalent, to the front cover gasket and the rear oil seal retainer gasket.
  4.  
  5. Install the front cover gasket and rear oil seal retainer gasket as shown.
  6.  
  7. Apply a bead of sealant to the cylinder block mating surface of the upper oil pan.
    1. Use Genuine Silicone RTV Sealant, or equivalent.
    2.  
    3. Be sure the sealant is applied to a limited portion as shown.
    4.  
    5. Attaching should be done within 5 minutes after coating.
    6.  

  8.  
  9. Install new O-rings on the cylinder block and oil pump body.
  10.  
  11. Install the upper oil pan.
    1. Tighten upper oil pan bolts in the order as shown.

      Click image to see an enlarged view

      Fig. Tighten upper oil pan bolts in the order as shown

    2.  
    3. Wait at least 30 minutes before refilling the engine with oil.
    4.  

  12.  
  13. Install the four upper oil pan to transaxle bolts.
  14.  
  15. Apply a continuous bead of sealant to the lower oil pan.
    1. Use Genuine Silicone RTV Sealant, or equivalent.
    2.  
    3. Installation must be done within 5 minutes after applying sealant.
    4.  

  16.  
  17. Install the lower oil pan.
  18.  
  19. Install rear plate cover.
  20.  
  21. Installation of the remaining components is in the reverse order of removal.
    1. Start the engine and check for leaks.
    2.  
    3. Inspect the engine oil level.
    4.  

  22.  

 
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