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Section 182 (Timing Belt): Replacement

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FRONT WHEEL RH 
  2. REMOVE FRONT WIPER ARM HEAD CAP 
  3. REMOVE FR WIPER ARM RH (See  REPLACEMENT  ) 
  4. REMOVE FR WIPER ARM LH (See  REPLACEMENT  ) 
  5. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSY (See  REPLACEMENT  ) 
  6. REMOVE WIPER LINK ASSY (See  REPLACEMENT  ) 
  7. REMOVE COWL TOP TO COWL BRACE INNER NO. 1 (See  REPLACEMENT  ) 
  8. REMOVE COWL TOP PANEL SUB-ASSY OUTER FRONT (See  REPLACEMENT  ) 
  9. REMOVE FRONT FENDER APRON SEAL RH 
  10. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1 (See  REPLACEMENT  ) 
  11. REMOVE VANE PUMP V BELT (See  REPLACEMENT  ) 
  12. REMOVE ENGINE MOVING CONTROL ROD 
    1. Remove the 5 bolts, the engine moving control rod and the engine mounting stay.
    Fig 1: Removing Bolts Engine Moving Control Rod
    G02608464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE ENGINE MOUNTING STAY NO. 2 RH 
    1. Remove the bolt and the wire harness bracket.
    2. Remove the bolt, the engine mounting stay No. 2 and the engine mounting bracket No. 2.
    Fig 2: Removing Engine Mounting Stay RH
    G02608465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE GENERATOR BRACKET NO. 2 
    1. Remove the nut and the generator bracket.
    Fig 3: Removing Nut
    G02608466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE CRANKSHAFT PULLEY 
    1. Using SST, loosen the pulley bolt.

      SST 09213-54015 (91651-60855), 09330-00021

      Fig 4: Loosening Pulley Bolt Using SST
      G02608467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST and the pulley bolt, remove the pulley.

      SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05031)

      NOTE: Before using SST, apply lubricating oil on the threads and tip of the center bolt 150.
    Fig 5: Removing Pulley Using SST
    G02608468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE TIMING BELT NO. 1 COVER 
  17. REMOVE TIMING BELT NO. 2 COVER 
    1. Disconnect the engine wire protector clamps from the timing belt No. 3 cover.
    2. Remove the 5 bolts and the timing belt cover.
    Fig 6: Locating Clamp
    G02608469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE ENGINE MOUNTING BRACKET RH 
    1. Remove the 2 bolts, the nut and the engine mounting bracket RH.
    Fig 7: Removing Bolts Nut And Engine Mounting Bracket RH
    G02608470Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE TIMING BELT GUIDE NO. 2 
  20. REMOVE TIMING BELT  , see .
    1. Set No. 1 cylinder to TDC/compression.
      1. Temporarily install the crankshaft pulley bolt and the washer to the crankshaft.
      2. Turn the crankshaft clockwise, and align the timing marks of the crankshaft timing pulley and the oil pump body.
        Fig 8: Identifying Alignment Mark
        G02608471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Check that timing marks of the camshaft timing pulleys and No. 3 timing belt cover are aligned.

        If not, turn the crankshaft 1 revolution (360°).

      4. Remove the crankshaft pulley bolt.
      Fig 9: Checking Timing Marks Of Camshaft Timing Pulleys
      G02608472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. If re-using the timing belt, check that there are 3 installation marks on the timing belt as shown.
      1. If the installation marks have disappeared, put new installation mark on the timing belt before removing.
      Fig 10: Checking Timing Belt
      G02608473Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Set No. 1 cylinder to approx. 60°BTDC/compression.
      1. Turn the crankshaft counterclockwise by approx. 60°.
      NOTE: If the timing belt is disengaged, having the crankshaft pulley at the wrong angle can cause the piston head and valve head to come into contact with each other when you remove the camshaft timing pulley and camshaft, causing damage. So always set the crankshaft pulley at the correct angle.
      Fig 11: Turning Crankshaft Counterclockwise By Approx. 60 Degrees
      G02608474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the timing belt tensioner.
      NOTE: Do not install the tensioner as it removed.
    5. Remove the timing belt in this order.
    TIMING BELT REMOVING SEQUENCE

    1st No. 1 idler pulley
    2nd RH camshaft timing pulley
    3rd No. 2 idler pulley
    4th LH camshaft timing pulley
    5th Water pump pulley
    6th Crankshaft timing pulley
    Fig 12: Identifying Timing Belt Removing Sequence
    G02608475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. INSPECT TIMING BELT 
    NOTE:
    • Do not bend, twist or turn the timing belt inside out.
    • Do not allow the timing belt to come into contact with oil, water or steam.
    • Do not utilize timing belt tension when installing or removing the mounting bolt of the camshaft timing pulley.
    Fig 13: Inspecting Timing Belt
    G02608476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Check the belt for any defects as shown. Also, check the following.

    1. If there is premature parting,
      • Check for proper installation.
      • Check the timing cover gasket for damage and proper installation.
    2. If the belt teeth are cracked or damaged, check to see if either camshaft is locked.
    3. If there is noticeable wear or cracks on the belt face, check to see if there are nicks on the side of the idler pulley lock and water pump.
    4. If there is wear or damage on only one side of the belt, check the belt guide and the alignment of each pulley.
    5. If there is noticeable wear on the belt teeth,
      • Check timing cover for damage.
      • Check gasket has been installed correctly.
      • Check for foreign object on the pulley teeth.

    If there is any doubt about the belt condition, replace the timing belt.

  22. INSTALL TIMING BELT 
    1. Remove any oil or water on the pulleys, and keep them clean.
      NOTE:
      • If there is a trace of water and/or oil on the timing belt, repair the leakage and install a new timing belt.
      • Wipe only the pulleys; do not use any cleaning agent.
    2. Inspect the idler pulleys.
      1. Check that the idler pulley turns smoothly.
      2. Visually check the seal portion of the idler pulley for oil leakage.
    3. Inspect the water pump.
      1. Turn the pulley, and check that water pump bearing moves smoothly and does not make noise.
      2. Visually check the drain hole for coolant leakage.
    4. Temporarily install the crankshaft pulley bolt and the washer to the crankshaft.
    5. Turn the crankshaft counterclockwise by approx. 60°.
      NOTE: To prevent contacting the piston head and the valve head, set the crankshaft pulley at 60° BTDC/compression position.
      Fig 14: Turning Crankshaft Counterclockwise By Approx 60 Degrees
      G02608477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Using SST, turn the camshaft pulley, and align the timing marks of the timing pulley and the No. 3 timing belt cover.

      SST 09960-10010 (09962-01000, 09963-01000)

      Fig 15: Turning Camshaft Pulley Using SST
      G02608478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Turn the crankshaft, and align the timing marks of the crankshaft timing pulley and the oil pump body.
      Fig 16: Aligning Timing Marks Of Crankshaft Timing Pulley
      G02608479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Face the front mark on the timing belt forward.
    9. Align the installation mark on the timing belt with the timing mark of the crankshaft timing pulley.
    10. Align the installation marks on the timing belt with the timing marks of the camshaft timing pulleys.
      Fig 17: Identifying Installation Mark
      G02608480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    11. Install the timing belt in this order.
    TIMING BELT INSTALLING SEQUENCE

    1st Crankshaft timing pulley
    2nd Water pump pulley
    3rd LH camshaft timing pulley
    4th No. 2 idler pulley
    5th RH camshaft timing pulley
    6th No. 1 idler pulley
    Fig 18: Identifying Timing Belt Installing Sequence
    G02608481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSTALL CHAIN TENSIONER ASSY NO. 1 
    1. Set the timing belt tensioner upright on the press.
    2. Slowly press in the push rod.
      NOTE: Do not apply pressure more than 9.8 kN (1,000 kgf, 2,205 lbf) to the rod.
    3. Align the holes of the push rod and housing, pass a 1.5 mm hexagon wrench through the holes to keep the setting position of the push rod.
    4. Release the press.
    5. Temporarily install the tensioner with the 2 bolts. Alternately tighten the 2 bolts.
      Fig 19: Pressing Push Rod
      G02608482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 27 N.m (280 kgf.cm, 20 ft.lbf) 

      NOTE: Be sure to tighten the bolts equally. Installing the tensioner at an angle may cause failure of its proper operation.
    6. Remove the 1.5 mm hexagon wrench from the tensioner.
    7. Turn the crankshaft 2 revolutions slowly and align the timing marks of the crankshaft timing pulley and the oil pump body.
      NOTE: Always turn the crankshaft clockwise.
      Fig 20: Turning Crankshaft Revolutions
      G02608483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Check the timing marks of the RH and LH timing pulleys are aligned with the timing marks of the No. 3 timing belt cover as shown.

      If the marks do not align, remove the timing belt and reinstall it.

    9. Remove the crankshaft pulley bolt.
    Fig 21: Identifying Timing Mark
    G02608484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. INSTALL TIMING BELT GUIDE NO. 2 
    1. Install the timing belt guide, facing the cup side toward the engine front.
    Fig 22: Installing Timing Belt Guide
    G02608485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. INSTALL ENGINE MOUNTING BRACKET RH 
    1. Install the engine mounting bracket RH with the 2 bolts and the nut.

    Torque: 28 N.m (286 kgf.cm, 21 ft.lbf) 

    Fig 23: Installing Engine Mounting Bracket RH
    G02608486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. INSTALL TIMING BELT NO. 2 COVER 
    1. Visually check for cracks and breaks in the gasket of the timing belt cover.

      If there is a trace that water is entering at the visual check, replace the timing belt cover.

    2. Install the timing belt cover.

      Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf) 

  27. INSTALL TIMING BELT NO. 1 COVER 
    1. Visually check for cracks and breaks in the gasket of the timing belt cover.

      If there is a trace that water is entering at the visual check, replace the timing belt cover.

    2. Install the timing belt cover.

      Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf) 

    3. Install the engine wire protector cover to the timing belt No. 3 cover.
  28. INSTALL CRANKSHAFT PULLEY 
    1. Align the keyway of the pulley with the key located on the crankshaft and slide the pulley into place.
    2. Using SST, install the pulley bolt.

      SST 09213-54015 (91651-60855), 09330-00021

      Torque: 220 N.m (2250 kgf.cm, 162 ft.lbf) 

    Fig 24: Installing Pulley Bolt Using SST
    G02608487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. INSTALL GENERATOR BRACKET NO. 2 

    Torque: 28 N.m (286 kgf.cm, 21 ft.lbf) 

  30. INSTALL ENGINE MOUNTING STAY NO. 2 RH 
    1. Install the engine mounting stay No. 2 and the engine mounting bracket No. 2 with the bolt.

      Torque: 64 N.m (653 kgf.cm, 47 ft.lbf) 

    2. Install the wire harness bracket with the bolt.

      Torque: 8.4 N.m (85 kgf.cm, 74 in.lbf) 

    Fig 25: Locating Bolt
    G02608488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. INSTALL ENGINE MOVING CONTROL ROD 
    1. Install the engine mounting control rod and the engine mounting stay with the 5 bolts. Using several steps, tighten the bolts in the sequence shown.

      Torque: 

      12 mm head 23 N.m (235 kgf.cm, 17 ft.lbf) 

      14 mm head 64 N.m (653 kgf.cm, 47 ft.lbf) 

    Fig 26: Identifying Bolt Tightening sequence
    G02608489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. INSTALL VANE PUMP V BELT (See  REPLACEMENT  ) 
  33. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1 (See  REPLACEMENT  ) 
  34. INSPECT DRIVE BELT DEFLECTION AND TENSION (REFERENCE) (See  INSPECTION  ) 
  35. INSTALL COWL TOP PANEL SUB-ASSY OUTER FRONT (See  REPLACEMENT  ) 
  36. INSTALL COWL TOP TO COWL BRACE INNER NO. 1 (See  REPLACEMENT  ) 
  37. INSTALL WIPER LINK ASSY (See  REPLACEMENT  ) 
  38. INSTALL FR WIPER ARM LH (See  REPLACEMENT  ) 
  39. INSTALL FR WIPER ARM RH (See  REPLACEMENT  ) 
  40. INSTALL FRONT WHEEL RH (See  REPLACEMENT  )