Sentra 1998

Oil Pan

Print

Removal & Installation



1.6L & 1.8L Engines

Specific to:

Nissan Sentra 1997-2006

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine undercovers
     
    Front exhaust tube and properly support the transaxle assembly
     
    Center crossmember
     
    Support brackets from the sides of the oil pan
     
    Rear cover plate, models equipped with a automatic transaxle
     
    Oil pan mounting bolts
     

  6.  
  7. Using an oil pan seal cutter, separate the oil pan from the engine.
    WARNING
    Do not drive the seal cutter into the oil pump or rear oil seal retainer portion, for the aluminum mating surfaces will be damaged. Do not use a prybar to remove the oil pan; the flange will be deformed.

  8.  
  9. Clean all the sealing surfaces.
  10.  

To install:

  1. Apply sealant to the rear oil seal retainer.
  2.  
  3. Apply a 0.128-0.177 in. (3.5-4.5mm) continuous bead of liquid gasket to the oil pan mating surface.
  4.  
  5. Install or connect the following:

    Oil pan and torque bolts, in sequence, to 56-73 inch lbs. (6.3-8.3 Nm)

    Click image to see an enlarged view

    Fig. Tighten the oil pan bolts in the correct sequence to prevent oil leakage-1.6L and 1.8L engines

     
    Rear cover plate, models equipped with a automatic transaxle
     
    Oil pan support brackets
     
    Center crossmember
     
    Front exhaust tube
     
    Engine undercovers
     
    Oil pan plug, using a new gasket and tighten the plug to 21-28 ft. lbs. (7-8 Nm)
     
    Negative battery cable
     

  6.  
  7. After 30 minutes of gasket curing time, refill the oil pan with the specified quantity of clean oil.
  8.  
  9. Start the vehicle, check for leaks and repair if necessary.
  10.  

2.0L Engine

Specific to:

Nissan Sentra 1997-2001

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine undercover
     
    Lower steel oil pan bolts in the reverse of installation sequence
     
    Steel oil pan. Insert a cutting tool between steel oil pan and aluminum oil pan. Tap the tool around the perimeter of the pan to cut the gasket material.
     
    Oil baffle bolts and oil baffle
     
    Front exhaust tube and set a suitable jack under the transaxle and raise the engine
     
    Center crossmember from the vehicle
     
    Transaxle shift control cable, if equipped with an automatic transaxle
     
    Compressor gussets and the rear cover plate
     
    Aluminum oil pan bolts. Loosen aluminum oil pan bolts in reverse order of the tightening sequence.
     
    2 transaxle mounting bolts and refit the them into vacant holes at the bottom of the oil pan. Use a cutting tool to cut the gasket material.
     
    2 transaxle mounting bolts that were relocated and the pan from the vehicle
     

  6.  

To install:

  1. Clean the oil pan rail of all liquid gasket and apply a new bead of 5 / 32 in. (4.5mm) thickness to the aluminum oil pan rail.
  2.  
  3. Install the aluminum oil pan. Torque the bolts in the opposite order of removal as follows:
    1. Bolts No. 1-16: 12-14 ft. lbs. (16-19 Nm).
    2.  
    3. Bolts No. 17-18: 60-72 inch lbs. (6-8 Nm).

      Click image to see an enlarged view

      Fig. Aluminum oil pan bolt tightening sequence-2.0L engine



      Click image to see an enlarged view

      Fig. Steel oil pan bolt tightening sequence-2.0L engine

    4.  

  4.  
  5. Install or connect the following:

    2 transaxle mounting bolts, rear cover plate and the compressor gussets
     
    Automatic transmission shift control cable, if equipped
     
    Center crossmember member, front exhaust tube and the baffle plate and torque the bolts to 56-66 inch lbs. (6.4-7.5 Nm)
     

  6.  
  7. Clean the steel oil pan rail of all liquid gasket and apply a new bead of 5 / 32 in. (4.5mm) thickness to the steel oil pan rail.

    Steel oil pan and torque the bolts in the proper sequence to 56-66 inch lbs. (6.4-7.5 Nm)
     
    Negative battery cable
     

  8.  
  9. After 30 minutes, refill the engine with clean oil
  10.  

 
label.common.footer.alt.autozoneLogo