ENGINE UNIT REASSEMBLY

CAUTION / NOTICE / HINT

Tech Tips

Perform "Inspection After Repair" after replacing the camshaft, No. 2 camshaft, camshaft timing gear assembly, camshaft timing exhaust gear assembly or engine coolant temperature sensor.

Click here

PROCEDURE


  1. INSTALL RING PIN

    Note

    It is not necessary to remove a ring pin unless it is being replaced.


    1. B0047FJC29
      *a Protrusion Height
      *b 11 mm (0.433 in.)
      *c 8.0 mm (0.315 in.)

      Install 2 new ring pins to the stiffening crankcase assembly.

      Standard Protrusion
      3 mm (0.118 in.)

      Tech Tips

      Standard protrusion may vary, but 3 mm is typical.

  2. INSTALL STUD BOLT

    Note

    If a stud bolt is deformed or the threads are damaged, replace it.


    1. Stiffening crankcase assembly:


      1. B00466MC05
        *1 Stud Bolt
        *a 9.0 mm (0.354 in.)
        *b 19 mm (0.748 in.)

        Using an E5 "TORX" socket wrench, install the 2 stud bolts as shown in the illustration.

        Torque:
        5.0 N*m  { 51 kgf*cm, 44 in.*lbf }

    2. Water inlet housing:


      1. B0046U8C09
        *a 15 mm (0.591 in.)
        *b 12 mm (0.472 in.)
        *c 34 mm (1.339 in.)

        Using an E5 "TORX" socket wrench, install the 2 stud bolts as shown in the illustration.

        Torque:
        5.0 N*m  { 51 kgf*cm, 44 in.*lbf }

  3. INSTALL STIFFENING CRANKCASE ASSEMBLY


    1. B0046B4N14
      *1 2.0 to 3.0 mm
      *2 4.5 to 5.5 mm

      Apply seal packing in a continuous line as shown in the illustration.

      Seal Packing
      Toyota Genuine Seal Packing Black, Three bond 1207B or equivalent
      Standard Seal Diameter
      Area Specified Condition
      Continuous Line 2.0 to 3.0 mm (0.0787 to 0.118 in.)
      (A) 4.5 to 5.5 mm (0.177 to 0.217 in.)
      Application Length (A)
      56 mm (2.20 in.)

      Note


      • Remove any oil from the contact surfaces.

      • Install the stiffening crankcase assembly within 3 minutes and tighten the bolts within 15 minutes of applying seal packing.

      • Do not apply oil for at least 2 hours after the installation.

    2. B004875C01
      *a Bolt Type
      *b Tightening Order

      Install the stiffening crankcase assembly with the 11 bolts in the order shown in the illustration.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }
      Bolt Length
      Item Length
      Bolt (A) 138 mm (5.43 in.)
      Bolt (B) 35 mm (1.38 in.)
      Bolt (C) 70 mm (2.76 in.)

    3. Recheck the torque for bolts 1 and 2.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

    4. Wipe off any excess seal packing with a clean piece of cloth.

  4. INSTALL REAR ENGINE OIL SEAL

    Click here

  5. INSTALL OIL PUMP ASSEMBLY

    Click here

  6. INSTALL NO. 2 OIL PAN SUB-ASSEMBLY

    Click here

  7. INSTALL OIL PAN DRAIN PLUG


    1. B0045UK

      Install a new gasket and the oil pan drain plug.

      Torque:
      37 N*m  { 377 kgf*cm, 27 ft.*lbf }

  8. INSTALL PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

    Click here

  9. INSTALL CYLINDER HEAD GASKET

    Click here

  10. INSTALL CYLINDER HEAD SUB-ASSEMBLY

    Click here

  11. INSTALL VALVE LASH ADJUSTER ASSEMBLY


    1. Inspect the 16 valve lash adjuster assemblies before installing them.

      Click here

    2. Install the 16 valve lash adjuster assemblies to the cylinder head sub-assembly.

      Note

      Install each valve lash adjuster assembly to the same place it was removed from.

  12. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY


    1. Apply engine oil to each valve lash adjuster assembly tip and valve stem cap end.

    2. B00470HC17
      *1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem Cap
      *4 Valve Stem

      Make sure that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.

  13. INSTALL NO. 1 CAMSHAFT BEARING

    Click here

  14. INSTALL OIL CONTROL VALVE FILTER


    1. Check that no foreign matter is on the mesh part of the oil control valve filter.

    2. B0047J7

      Install the oil control valve filter to the No. 1 camshaft bearing cap.

      Note

      Do not touch the mesh when installing the oil control valve filter.

  15. INSTALL NO. 2 CAMSHAFT


    1. Clean both surfaces of the 2 No. 2 camshaft bearings.

      Note

      Do not apply engine oil to the No. 2 camshaft bearings or the contact surfaces.

    2. Install the 2 No. 2 camshaft bearings to the camshaft housing sub-assembly.

    3. B00458FC06
      *a Vernier Caliper

      Using a vernier caliper, measure the distance between the camshaft bearing cap edge and the No. 2 camshaft bearing edge.

      Dimension (A)
      1.05 to 1.75 mm (0.0413 to 0.0689 in.)

      Note

      Position the No. 2 camshaft bearings to the center of the camshaft bearing cap by measuring dimension (A).

  16. INSTALL NO.2 CAMSHAFT


    1. Clean the No. 2 camshaft journals.

    2. Apply a light coat of engine oil to the No. 2 camshaft journals, camshaft housing sub-assembly and camshaft bearing caps.

    3. B0047PO

      Install the No. 2 camshaft to the camshaft housing sub-assembly.

      Tech Tips

      Perform "Inspection After Repair" after replacing the No. 2 camshaft.

      Click here

  17. INSTALL CAMSHAFT


    1. Clean the camshaft journals.

    2. Apply a light coat of engine oil to the camshaft journals and camshaft housing sub-assembly.

    3. B004590

      Install the camshaft to the camshaft housing sub-assembly.

      Tech Tips

      Perform "Inspection After Repair" after replacing the camshaft.

      Click here

  18. INSTALL CAMSHAFT BEARING CAP


    1. Apply engine oil to the camshaft journals, camshaft housing sub-assembly and camshaft bearing caps.

    2. B0045SYC01
      *1 Straight Pin
      *2 Camshaft
      *3 No. 2 Camshaft

      Make sure of the marks and numbers on the camshaft bearing caps and place them in each proper position and direction.

      Tech Tips

      Make sure that the straight pins of each camshaft is positioned as shown in the illustration.

    3. B0046B9N03

      Tighten the 10 bolts in the order shown in the illustration.

      Torque:
      16 N*m  { 163 kgf*cm, 12 ft.*lbf }

  19. INSTALL NO. 1 TAPER SCREW PLUG


    1. B0047QQ

      Apply adhesive to 2 or 3 threads of the No. 1 taper screw plug, and install the No. 1 taper screw plug (B).

      Torque:
      43 N*m  { 438 kgf*cm, 32 ft.*lbf }
      Adhesive
      Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

      Note


      • Install the No. 1 taper screw plug within 3 minutes of applying adhesive.

      • Do not start the engine within 1 hour after installing the No. 1 screw plug.

  20. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY


    1. B00470HC17
      *1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem Cap
      *4 Valve Stem

      Make sure that the valve rocker arm sub-assembly is installed as shown in the illustration.

    2. B0047YKN02
      *1 7.0 mm
      *2 8.0 mm
      *3 3.5 to 4.5 mm

      Apply seal packing in a continuous line as shown in the illustration.

      Seal Packing
      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
      Standard Seal Diameter
      Area Specified Condition
      Continuous line 3.5 to 4.5 mm (0.138 to 0.177 in.)
      (A) 8.0 mm (0.315 in.)
      (B) 7.0 mm (0.276 in.)
      Application Length (A) and (B)
      15 mm (0.591 in.)

      Note


      • Remove any oil from the contact surfaces.

      • Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 10 minutes of applying seal packing.

      • Do not start the engine for at least 2 hours after installation.

    3. B004800N01

      Set the camshaft and No. 2 camshaft as shown in the illustration.

    4. Install the camshaft housing sub-assembly and tighten the 17 bolts in the order shown in the illustration.

      Torque:
      27 N*m  { 275 kgf*cm, 20 ft.*lbf }

      Note


      • After installing the camshaft housing sub-assembly, make sure that the cam lobes are positioned as shown in the illustration.

      • If any of the bolts are loosened during installation, remove the camshaft housing sub-assembly, clean the installation surfaces, and reapply seal packing.

      • If the camshaft housing sub-assembly is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.

      • After installing the camshaft housing sub-assembly, wipe off any seal packing that seeped out from between the camshaft housing sub-assembly and the cylinder head sub-assembly.

  21. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY


    1. Check that the straight pin is installed on the No. 2 camshaft.

    2. B0046DWC10
      *a Straight Pin
      *b Key Groove

      Put the camshaft timing exhaust gear assembly and No. 2 camshaft together by aligning the key groove and straight pin.

    3. Lightly press the camshaft timing exhaust gear assembly against the No. 2 camshaft, and turn the camshaft timing exhaust gear assembly. Push further at the position where the pin enters the groove.

      Note

      Be sure not to turn the camshaft timing exhaust gear assembly in the retard direction (clockwise).

    4. Check that there is no gap between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.

    5. B0045GZ

      Tighten the bolt while holding the hexagonal portion of the No. 2 camshaft.

      Torque:
      54 N*m  { 551 kgf*cm, 40 ft.*lbf }

    6. Check the lock of the camshaft timing exhaust gear assembly.


      1. Make sure that the camshaft timing exhaust gear assembly is locked.

        Tech Tips

        Perform "Inspection After Repair" after replacing the camshaft timing exhaust gear assembly.

        Click here

  22. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY


    1. Check that the straight pin is installed on the camshaft.

    2. B004658C17
      *a Straight Pin
      *b Key Groove

      Put the camshaft timing gear assembly and camshaft together with the straight pin and key groove misaligned, as shown in the illustration.

      Note

      Do not forcibly push in the camshaft timing gear assembly. This may cause the camshaft straight pin tip to damage the installation surface of the camshaft timing gear assembly.

    3. B0046HAC22
      *a View A
      *b Straight Pin
      *c Key Groove

      Turn the camshaft timing gear assembly as shown in the illustration while pushing it gently against the camshaft. Push further at the position where the pin fits into the groove.

      Note

      Do not turn the camshaft timing gear assembly in the retard direction (clockwise).

    4. B0045RPC14
      *1 Camshaft Timing Gear Assembly
      *a Gap
      *b No Gap
      *c Camshaft Flange

      Check that there is no gap between the camshaft timing gear assembly and camshaft flange.

    5. B0045VZ

      Tighten the bolt while holding the hexagonal portion of the camshaft.

      Torque:
      54 N*m  { 551 kgf*cm, 40 ft.*lbf }
    6. B0046C2C01
      *a Lock

      Check that the camshaft timing gear assembly can move in the retard direction (clockwise) and is locked in the most retarded position.

      Tech Tips

      Perform "Inspection After Repair" after replacing the camshaft timing gear assembly.

      Click here

  23. INSTALL CRANKSHAFT TIMING GEAR KEY


    1. B00475E

      Using a hammer, tap in the 2 crankshaft timing gear keys.

      Tech Tips

      Tap in the crankshaft timing gear keys until they contact the crankshaft as shown in the illustration.

  24. INSTALL NO. 1 CRANKSHAFT POSITION SENSOR PLATE


    1. B0045H8

      Install the No. 1 crankshaft position sensor plate with the "F" mark facing forward.

  25. INSTALL NO. 2 CHAIN SUB-ASSEMBLY

    Click here

  26. INSTALL CRANKSHAFT TIMING SPROCKET

    Click here

  27. INSTALL NO. 1 CHAIN VIBRATION DAMPER


    1. B00480N

      Install the No. 1 chain vibration damper with the 2 bolts.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  28. INSTALL CHAIN SUB-ASSEMBLY


    1. Check that the No. 1 cylinder is at TDC/compression.


      1. Temporarily install the crankshaft pulley bolt.

      2. B0047XAC04
        *1 Crankshaft Timing Gear Key

        Turn the crankshaft counterclockwise to position the crankshaft timing gear key to the top.

      3. Remove the crankshaft pulley bolt.

      4. B00455ZC03
        *a Timing Mark

        Check that the timing marks on each camshaft timing gear assembly are aligned as shown in the illustration.

    2. B0047E4C01
      *a Place the Chain Sub-assembly on the Sprocket
      *b Pass the Chain Sub-assembly through the Damper
      *c Mark Plate (Orange)
      *d Timing Mark

      Align the mark plate (orange) with the timing mark as shown in the illustration and install the chain sub-assembly.

      Tech Tips


      • Be sure to position the mark plate at the front of the engine.

      • The mark plate on the camshaft side is colored orange.

      • Do not pass the chain sub-assembly around the sprocket of the camshaft timing gear assembly. Only place it on the sprocket.

      • Pass the chain sub-assembly through the No. 1 chain vibration damper.

    3. B0047T8

      Place the chain sub-assembly on the crankshaft without passing it around the shaft.

    4. Turn the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly counterclockwise to align the mark plate (orange) and timing mark.

      Tech Tips


      • Be sure to position the mark plates at the front of the engine.

      • The mark plates on the camshaft side are colored orange.

      B00470CC01
      *a Turn *b Tension the Chain Sub-assembly
      *c Mark Plate (Orange) *d Timing Mark

    5. Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly clockwise.

      Tech Tips

      To tension the chain sub-assembly, slowly turn the camshaft timing gear assembly clockwise to prevent the chain sub-assembly from being misaligned.

    6. B0047CLC17
      *a Timing Mark
      *b Mark Plate (pink)

      Align the mark plate (pink) and timing mark and install the chain sub-assembly to the crankshaft timing sprocket.

      Tech Tips

      The mark plate on the crankshaft side is colored pink.

    7. Recheck each timing mark at TDC/compression.

      B0046F2C02
      *a Timing Mark *b Mark Plate (Orange)
      *c Mark Plate (pink) - -

      Tech Tips

      "A" is not a timing mark.

  29. INSTALL CHAIN TENSIONER SLIPPER


    1. B00487O

      Install the chain tensioner slipper to the cylinder block sub-assembly.

  30. INSTALL NO. 2 CHAIN VIBRATION DAMPER


    1. B0046DZ

      Install the No. 2 chain vibration damper with the 2 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

  31. INSTALL WATER INLET HOUSING


    1. B0047RM

      Install a new gasket and water inlet housing with the 3 bolts.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  32. INSTALL TIMING CHAIN COVER OIL SEAL


    1. B0045BQN02

      Using SST, tap in a new timing chain cover oil seal until its surface is flush with the timing chain cover sub-assembly.

      SST
      09223-22010

    2. Apply a light coat of MP grease to the lip of the timing chain cover oil seal.

      Note


      • Keep the lip free of foreign matter.

      • Do not tap the timing chain cover oil seal at an angle.

      • Make sure that the timing chain cover oil seal edge does not stick out of the timing chain cover sub-assembly.

  33. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY

    Click here

  34. INSTALL CRANKSHAFT PULLEY

    Click here

  35. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY


    1. B0047QBC03
      *a Correct
      *b Incorrect
      *c Push
      *d Raise
      *e Cam
      *f Hook
      *g Pin

      Release the ratchet pawl, then fully push in the plunger and engage the hook to the pin so that the plunger is in the position shown in the illustration.

      Note

      Make sure that the cam engages the first tooth of the plunger to allow the hook to pass over the pin.

    2. B00456K

      Install a new gasket, the bracket and No. 1 chain tensioner assembly with the 2 nuts.

      Torque:
      12 N*m  { 122 kgf*cm, 9 ft.*lbf }

      Note

      If the hook releases the plunger while the No. 1 chain tensioner assembly is being installed, engage the hook again.

    3. B0047J8C02
      *a Turn
      *b Disconnect
      *c Hook
      *d Pin

      Turn the crankshaft counterclockwise slightly and check that the hook becomes released.

    4. B0046QRC02
      *a Turn
      *b Plunger Extended
      *c Plunger

      Turn the crankshaft clockwise, then check that the plunger is extended.

  36. INSTALL OIL FILTER UNION

    B004626

    1. Using a 12 mm hexagon socket wrench, install the oil filter union to the oil filter bracket.

      Torque:
      29.5 N*m  { 301 kgf*cm, 22 ft.*lbf }

  37. INSTALL OIL FILTER SUB-ASSEMBLY

    Click here

  38. INSTALL SPARK PLUG TUBE GASKET


    1. B0046IWC06
      *a Spark Plug Tube Gasket without Sealing Part
      *b New Spark Plug Tube Gasket
      *c Claw

      Using a spark plug tube gasket which has had the sealing part cut off, uniformly press in a new spark plug tube gasket all the way.

      Note


      • Keep the lip free of foreign matter.

      • Do not tap on the spark plug tube gaskets.

      Tech Tips

      If a spark plug tube gasket that will be used to install a new spark plug tube gasket is deformed, and cannot be positioned on a new spark plug tube gasket, correct the deformation using pliers.

    2. Return the claws of the ventilation baffle plate to their original positions.

  39. INSTALL CYLINDER HEAD COVER GASKET


    1. B0045N8

      Install a new cylinder head cover gasket to the cylinder head cover sub-assembly.

      Note

      Remove any oil from the contact surfaces.

  40. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY


    1. B00483E

      Install 3 new gaskets to the camshaft bearing cap.

    2. B004816

      Apply seal packing as shown in the illustration.

      Seal Packing
      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

      Note


      • Remove any oil from the contact surfaces.

      • Install the cylinder head cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes of applying seal packing.

      • Do not start the engine for at least 2 hours after installing the cylinder head cover sub-assembly.

    3. B0045RT

      Install the cylinder head cover sub-assembly to the camshaft housing sub-assembly with a new seal washer and the 13 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

  41. INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY


    1. B0047V7C18
      *a Adhesive

      Apply adhesive to 2 or 3 threads of the engine oil pressure switch assembly.

      Adhesive
      Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

      Note


      • Install the engine oil pressure switch assembly within 3 minutes of applying adhesive.

      • Do not start the engine within 1 hour after installation.

    2. B0047JK

      Using a 24 mm deep socket wrench, install the engine oil pressure switch assembly.

      Torque:
      15 N*m  { 153 kgf*cm, 11 ft.*lbf }

  42. INSTALL ENGINE COOLANT TEMPERATURE SENSOR


    1. B0046WF

      Install a new gasket to the engine coolant temperature sensor.

    2. Install the engine coolant temperature sensor.

      Torque:
      19.6 N*m  { 200 kgf*cm, 14 ft.*lbf }

      Tech Tips

      Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

      Click here

  43. INSTALL KNOCK CONTROL SENSOR


    1. B0046IYN08

      Install the knock control sensor with the bolt.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

      Note

      Make sure that the knock control sensor is in the correct position.

  44. INSTALL CRANKSHAFT POSITION SENSOR


    1. B0045SKC22
      *a O-ring

      Apply a light coat of engine oil to the O-ring of the crankshaft position sensor.

    2. B0045Y5

      Install the crankshaft position sensor with the bolt.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

  45. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY


    1. B0047RSC04
      *a O-ring

      Apply a light coat of engine oil to 2 new O-rings and install them to the camshaft timing oil control valve assemblies.

    2. B0047JTC03
      *a Bracket

      Install the 2 camshaft timing oil control valve assemblies and bracket to the cylinder head cover sub-assembly with the 2 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      Note


      • Do not allow foreign matter to contact the oil seal face of the camshaft oil control valve assembly (surface that contacts cylinder head cover sub-assembly).

      • Be careful that the O-ring is not cracked or moved out of place when installing the camshaft oil control valve assembly.

  46. INSTALL CAMSHAFT POSITION SENSOR


    1. B0046JSC10
      *a O-ring

      Apply a light coat of engine oil to the O-ring of the camshaft position sensor.

    2. B0046MJ

      Install the 2 camshaft position sensors to the cylinder head cover sub-assembly with the 2 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      Note

      Make sure that the O-rings are not cracked or jammed when installing the camshaft position sensors.

  47. INSTALL SPARK PLUG

    Click here

  48. INSTALL ENGINE COVER JOINT


    1. B0045RB

      Install the 2 engine cover joints to the cylinder head cover sub-assembly.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

  49. INSTALL OIL FILLER CAP GASKET


    1. B0045ZP

      Install the oil filler cap gasket to the oil filler cap sub-assembly.

  50. INSTALL OIL FILLER CAP SUB-ASSEMBLY


    1. B004899

      Install the oil filler cap sub-assembly to the cylinder head cover sub-assembly.