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Cylinder Block: Reassembly

WARNING: This page is about a different car, the 2004 Toyota MR2, 2003 Toyota MR2, and 2002 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Thoroughly clean all parts to be assembled.
  • Before installing the parts, apply fresh engine oil to all sliding and rotating surfaces.
  • Replace all gaskets, O-rings and oil seals with new parts.
  1. ASSEMBLE PISTON AND CONNECTING ROD 
    1. Using a small screwdriver, install a new snap ring at one end of the piston pin hole.
      NOTE: Be sure that end gap of the snap ring is not aligned with the pin hole cutout portion of the piston.
      Fig 1: Installing First Piston Pin Snap Ring
      G01087903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Gradually heat the piston to 80 - 90°C (176 - 194°F).
      Fig 2: Heating Pistons To Install Piston Pin
      G01087904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Coat the piston pin with engine oil.
    4. Align the front marks on the piston and connecting rod, and push in the piston with your thumb.
      Fig 3: Aligning Piston & Connecting Rod Marks
      G01087905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using a small screwdriver, install a new snap ring on the other end of the piston pin hole.
      NOTE: Be sure that end gap of the snap ring is not as aligned with the pin hole cutout portion of the piston.
      Fig 4: Installing Second Piston Pin Snap Ring
      G01087906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL PISTON RINGS 
    1. Install the oil ring expander and 2 side rails by hand.
    2. Using a piston ring expander, install the 2 compression rings with the code mark facing upward.

      Code mark (No. 2 only): T or 2R 

      Fig 5: Using Piston Ring Expander To Install Rings
      G01087907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Position the piston rings so that the ring ends are as shown.
      Fig 6: Positioning Piston Rings
      G01087908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Do not align the ring ends.
  3. INSTALL CONNECTING ROD BEARINGS 
    1. Align the bearing claw with the groove of the connecting rod or connecting cap.
    2. Install the bearings in the connecting rod and connecting rod cap.
      Fig 7: Installing Bearing Shell Into Connecting Rod
      G01087909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL MAIN BEARINGS 
    NOTE: Upper bearings have an oil groove and oil holes; Lower bearings do not.
    1. Align the bearing claw with the claw groove of the cylinder block, and push in the 5 upper bearings.
      NOTE:
      • Install the bearing with the oil hole in the cylinder block.
        Fig 8: Installing Main Bearing Shell Into Cylinder Block
        G01087910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Clean the backside of the bearing and the bearing surface of the bearing cap and do not let the oils and fats stick.
    2. Align the bearing claw with the claw groove of the main bearing cap, and push in the 5 lower bearings.
      Fig 9: Installing Main Bearing Shells Into Main Bearing Cap
      G01087911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Clean the backside of the bearing and the bearing surface of the bearing cap and do not let the oils and fats stick.
  5. INSTALL THRUST WASHERS 

    Install the 2 thrust washers under the No. 3 journal position of the cylinder block with the oil grooves facing outward.

    Fig 10: Installing Thrust Washers
    G01087912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. PLACE CRANKSHAFT ON CYLINDER BLOCK 
  7. PLACE BEARING CAP SUBASSEMBLY ON CYLINDER BLOCK 
    1. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the bearing cap subassembly and cylinder block.
      • Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing grooves.
      • Thoroughly clean all components to remove all the loose material.
      • Using a non-reusable solvent, clean both sealing surfaces.
    2. Apply seal packing to the bearing cap subassembly.
      Fig 11: Identifying Locations For Applying Seal Packing
      G01087913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Seal packing: Part No. 08826-00080 or equivalent 

      • Install a nozzle that has been cut to an 1 - 2 mm (0.004 - 0.08 in.) opening.
        NOTE: Avoid applying an excessive amount to the surface.
      • Parts must be assembled within 3 minutes of application. Otherwise the material must be removed and reapplied.
      • Immediately remove the nozzle from the tube and reinstall cap.
    3. Using a plastic-faced hammer, lightly tap the bearing cap subassembly to ensure a proper fit.
      Fig 12: Using Plastic Hammer To Tap Bearing Cap Assembly Into Place
      G01087914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL 12 POINTED HEAD BEARING CAP SUBASSEMBLY BOLTS 
    NOTE:
    • The bearing cap subassembly bolts are tightened in 3 steps (steps  b,  c and  e ).
    • If any of the bearing cap subassembly bolts are broken or deformed, replace them.
    1. Apply a light coat of engine oil on the threads and under the bearing cap subassembly bolts.
    2. Install and uniformly tighten the 10 bearing cap subassembly bolts in several passes.
      Fig 13: Identifying Bearing Cap Subassembly Bolt Tightening Sequence
      G01087915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 22 N.m (225 kgf.cm, 16 ft.lbf) 

    3. Tighten the bearing cap subassembly bolts in several passes. See Fig 13.

      Torque: 44 N.m (449 kgf.cm, 32 ft.lbf) 

      If any of the bearing cap subassembly bolts does not meet the torque specification, replace the bearing cap subassembly bolt.

    4. Mark the front of the bearing cap subassembly bolts with paint.
      Fig 14: Tightening Painted Bolts In 45 Degree Increments
      G01087916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Retighten the bearing cap subassembly bolts by 45 degrees and additional 45 degrees in the numerical order shown.
    6. Check that the painted mark is now at a 90 degree angle to the front.
  9. INSTALL HEXAGON HEAD BEARING CAP SUBASSEMBLY BOLTS 
    1. Install and uniformly tighten the 10 bearing cap subassembly bolts in several passes.

      Torque: 18.5 N.m (189 kgf.cm, 14 ft.lbf) 

    2. Check that the crankshaft turns smoothly.
  10. CHECK CRANKSHAFT THRUST CLEARANCE  . See step  16 under DISASSEMBLY.
  11. INSTALL PISTON AND CONNECTING ROD ASSEMBLES 

    Using a piston ring compressor, push the correctly numbered piston and connecting rod assemblies into each cylinder with the front mark of the piston facing forward.

    Fig 15: Installing Piston/Connecting Rod Assemblies
    G01087917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. PLACE CONNECTING ROD CAP ON CONNECTING ROD 
    1. Match the numbered connecting rod cap with the connecting rod.
    2. Align the pin dowels of the connecting rod cap with the pins of the connecting rod, and install the connecting rod.
      Fig 16: Placing Connecting Rod Cap On Connecting Rod
      G01087918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Clean the backside of the bearing and the bearing surface of the bearing cap and do not let the oils and fats stick.
    3. Check that the protrusion of the connecting rod cap is facing in the correct direction.
      Fig 17: Confirming Connecting Rod Cap Is Installed Correctly
      G01087919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL CONNECTING ROD CAP BOLTS 
    NOTE:
    • The connecting rod cap bolts are tightened in 2 steps (steps  b and  d ).
    • If any of the connecting rod cap bolts is broken or deformed, replace it.
    1. Apply a light coat of engine oil on the threads and under the heads of the connecting rod cap bolts.
    2. Install and alternately tighten the 2 connecting rod cap bolts in several passes.
      Fig 18: Tightening Connecting Rod Bearing Cap Bolts
      G01087920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 20 N.m (204 kgf.cm, 15 ft.lbf) 

      If any of the connecting rod cap bolts does not meet the torque specification, replace the connecting rod cap bolts.

    3. Mark the front of the connecting cap bolts with paint.
    4. Fig 19: Tightening Painted Bolts An Additional 90 Degrees
      G01087921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Retighten the cap bolts by 90 degrees as shown.
    6. Check that the painted mark is now at a 90 degree angle to the front.
    7. Check that the crankshaft turns smoothly.
  14. CHECK CONNECTING ROD THRUST CLEARANCE  . See  12 under DISASSEMBLY.
  15. INSTALL REAR CRANKSHAFT OIL SEAL  . See step  2 under REPLACEMENT.
    NOTE: Wipe seal packing away from the contact surface of the cylinder block assembly and oil seal.
  16. INSTALL OIL STRAINER 

    Install a new gasket and the oil strainer with the 2 nuts and bolt.

    Fig 20: Installing Oil Strainer
    G01087922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Torque: 9 N.m (92 kgf.cm, 80 in.lbf) 

  17. INSTALL OIL PAN 
    1. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surface of the main bearing cap and oil pan.
      • Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing grooves.
      • Thoroughly clean all components to remove all the loose material.
      • Using a non-residue solvent, clean both sealing surfaces.
      NOTE: Do not use a solvent which will affect the painted surfaces.
    2. Apply seal packing to the oil pan as shown.
      Fig 21: Applying Seal Packing To Oil Pan
      G01087923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Seal packing: Part No. 08826-00080 or equivalent 

      • Install a nozzle that has been cut to a 4 - 5 mm (0.16 - 0.20 in.) opening.
        NOTE: Avoid applying an excessive amount to the surface.
      • Parts must be assembled within 3 minutes of application. Otherwise the material must be removed and reapplied.
      • Immediately remove the nozzle from the tube and reinstall the cap.
    3. Install the oil pan with the 14 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes.
      Fig 22: Locating Oil Pan Fasteners
      G01087924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9 N.m (92 kgf.cm, 80 in.lbf) 

  18. INSTALL OIL FILTER UNION 

    Torque: 30 N.m (306 kgf.cm, 21 ft.lbf) 

  19. INSTALL OIL FILTER  . See OIL AND FILTER .
  20. INSTALL OIL PUMP  . See OIL PUMP
  21. INSTALL ENGINE COOLANT DRAIN UNION 
    1. Apply adhesive to 2 or 3 threads.
      Fig 23: Applying Adhesive To Threads
      G01087925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Adhesive: 

      Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent 

    2. Install the drain union.

      Torque: 20 N.m (204 kgf.cm, 15 ft.lbf) 

      HINT:

      After applying the specified torque, rotate the drain union clockwise until its drain port is facing downward.

  22. INSTALL KNOCK SENSOR 

    Torque: 39 N.m (400 kgf.cm, 29 ft.lbf) 

  23. INSTALL THERMOSTAT  . See INSTALLATION .
  24. INSTALL WATER BYPASS PIPE 
    Fig 24: Installing Water Bypass Pipe
    G01087926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Torque: 9 N.m (92 kgf.cm, 80 in.lbf) 

  25. INSTALL CYLINDER HEAD  . See INSTALLATION .
  26. INSTALL TIMING SPROCKETS AND TIMING CHAIN  . See INSTALLATION .
  27. REMOVE ENGINE STAND