Engine Unit: Replacement

REPLACE RING PIN
1. Remove the 2 ring pins.
2. Install 2 new ring pins to the crankcase.
  Standard protrusion:
  
  3 mm (0.118 in.)
REPLACE STUD BOLT
1. For crankcase:
  1. Remove the 2 stud bolts.
    
    Fig 1: Locating Stud Bolt
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Using a "TORX" socket E5, install the 2 stud bolts as shown in the illustration.
    Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
2. For water inlet housing:
  1. Remove the 2 stud bolts.
    
    Fig 2: Locating Stud Bolt
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Using a "TORX" socket E5, install the 2 stud bolts as shown in the illustration.
    Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
    
    Fig 3: Identifying Stud Bolt Dimension
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE SPARK PLUG TUBE GASKET
1. Pry up the claws of the ventilation baffle plate.
  NOTE: Do not deform the claws of the baffle plate more than necessary.
2. Remove the 4 gaskets from the cylinder head covers.
  NOTE:
  - Prevent the plug tube gaskets from being deformed as much as possible. The removed gaskets will be used when reinstalling the gaskets.
  - Do not damage the connection of the cylinder head cover.
  Fig 4: Identifying Spark Plug Tube Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Using a cutter, cut off the sealing part of the removed plug tube gasket.
    
    Fig 5: Identifying Plug Tube Gasket
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Using the plug tube gasket which has had the sealing part cut off, uniformly press in a new plug tube gasket all the way.
    
    Fig 6: Pressing Plug Tube Gasket
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Keep the lip free of foreign matter.
  - Do not tap on the oil seal at an angle.
  HINT:
  
  If a plug tube gasket that will be used to install a new gasket is deformed, and cannot be positioned on a new gasket, correct the deformation using pliers.
3. Return the claws of the ventilation baffle plate to their original positions.
REPLACE TIMING CHAIN COVER OIL SEAL
1. Using a screwdriver and hammer, remove the oil seal.
  NOTE: Be careful not to damage the timing chain cover oil seal.
  
  HINT:
  
  Tape the screwdriver tip before use.
  
  Fig 7: Removing Timing Chain Cover Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, tap in a new oil seal until its surface is flush with the timing gear case edge.
  SST 09223-22010
3. Apply a light coat of MP grease to the lip of the oil seal.
NOTE:
- Keep the lip free of foreign matter.
- Do not tap on the oil seal at an angle.
- Make sure that the oil seal edge does not stick out of the timing chain cover.
Fig 8: Tapping Oil Seal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE REAR ENGINE OIL SEAL
1. Using a knife, cut off the oil seal lip.
2. Using a screwdriver with its tip taped, pry out the oil seal.
  NOTE: After removing the oil seal, check the crankshaft for damage. If it is damaged, smooth the surface with 400-grit sandpaper.
  
  Fig 9: Removing Rear Engine Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using SST and a hammer, evenly tap the oil seal until its surface is flush with the rear oil seal retainer edge.
  SST 09223-15030, 09950-70010 (09951 -07100)
  NOTE:
  - Keep the lip free of foreign matter.
  - Do not tap on the oil seal at an angle.
    
    Fig 10: Tapping Oil Seal
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Apply MP grease to a new oil seal lip.
NOTE: Wipe off extra grease on the crankshaft.