Toyota Highlander Hybrid 6 2005-06

Rear Main Seal

Print

Removal & Installation



3.0L & 3.3L Engines

NOTE
This procedure requires a variety of special tools.

  1. Remove the automatic transaxle assembly (2WD) or automatic transaxle and transfer assembly (4WD), as outlined in the Drive Train Section.
  2.  
  3. Remove the drive plate and ring gear, as follows:
    1. Secure the crankshaft with Special Service Tool (SST) 09213-54015 (91651-60855), 09330-00021 or their equivalents.

      Click image to see an enlarged view

      Fig. Hold the crankshaft in place with the special tools as shown

    2.  
    3. Remove the 8 bolts, rear spacer, drive plate and front spacer.

      Click image to see an enlarged view

      Fig. Remove the 8 bolts, rear spacer, drive plate and front spacer

    4.  

  4.  
  5. Remove the rear main seal, as follows:
    1. Using a knife, carefully cut off the oil seal lip.
    2.  
    3. Use a suitable prytool, or taped screwdriver, pry out the oil seal.
      WARNING
      After removing the seal, make sure the crankshaft is not damaged or scratched. If it is, you can mend it with a fine grit (#400) sandpaper.



      Click image to see an enlarged view

      Fig. If using a screwdriver wrapped in tape to remove the rear main seal, be very carefully not to damage the crankshaft

    4.  

  6.  

To install:

  1. Install engine rear oil seal, as follows:
    1. Apply suitable grease to a new oil seal lip. Make sure to keep the lip away from foreign materials to avoid picking up contamination or debris.
    2.  
    3. Using SST 09223-15030, 09950-70010 (09951-07100), or their equivalent, and a hammer, tap in the oil seal until its surface is flush with the rear oil seal retainer edge. Tap the seal in squarely to make sure it seats properly
      NOTE
      Wipe the extra grease off of the crankshaft.



      Click image to see an enlarged view

      Fig. Use a seal installation tool and hammer to install the rear main seal until its surface is flush with the seal retainer edge

    4.  

  2.  
  3. Install drive plate and ring gear, as follows:
    1. Fix the crankshaft with SST 09213-54015 (91651-60855), 09330-00021, or their equivalents.
    2.  
    3. Clean the bolts and the bolt holes.
    4.  
    5. Apply a suitable adhesive (part no. 08833-00070, three bond or equivalent) to 2 or 3 threads of the bolt end.
    6.  
    7. Install and uniformly tighten the 8 bolts, in several passes in the sequence shown in the accompanying illustration to a final torque of 61 ft. lbs. (83 Nm).
      WARNING
      Do not start the engine for AT LEAST one hour after installing the seal!



      Click image to see an enlarged view

      Fig. Drive plate bolt tightening sequence-3.0L and 3.3L engines

    8.  

  4.  
  5. Install the automatic transaxle assembly (2WD) or automatic transaxle and transfer assembly (4WD), as outlined in the Drive Train Section.
  6.  

Hybrid
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    Transaxle assembly
     
    Transmission input damper
     
    Flywheel
     
    Rear main seal

    Click image to see an enlarged view

    Fig. Cut off the oil seal lip, then pry the seal out of the retaining plate

     

  4.  

To install:

  1. Using Special Tool 09223-15030 or equivalent, tap the new seal into place until the surface is flush with the retainer edge.

    Click image to see an enlarged view

    Fig. Tap a new seal into place

  2.  
  3. Install or connect the following:

    Flywheel
     
    Transmission input damper
     
    Transaxle assembly
     

  4.  
  5. If necessary, perform the initialization procedure, as outlined in the Chassis Electrical System.
  6.  

 
label.common.footer.alt.autozoneLogo