LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> NX 300 Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (1 Of 2) >> Camshaft >> Installation [09/2017 - ] >> Procedure

Installation [09/2017 - ]: Procedure

  1. INSTALL NO. 2 CAMSHAFT BEARING 

    Refer to PROCEDURE - Step 22 [09/2015 - ]

  2. INSTALL NO. 1 CAMSHAFT BEARING 

    Refer to PROCEDURE - Step 21 [09/2015 - ]

  3. INSTALL OIL CONTROL VALVE FILTER 

    Refer to PROCEDURE - Step 23 [09/2015 - ]

  4. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    HINT: 

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

    Refer to INITIALIZATION [10/2014 - 05/2019] , or refer to INITIALIZATION [05/2019 - ]

    1. Using SST, grip the hexagonal portion, and then secure the SST and No. 2 camshaft in a vise as shown in the illustration.
      • SST: 09212-31010 
      GTY537853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hexagonal Portion
      NOTE:
      • Do not damage the No. 2 camshaft.
      • Never grip areas other than the hexagonal portion, as this may cause damage.
    2. Align the knock pin of the No. 2 camshaft with the knock pin hole of the camshaft timing exhaust gear assembly and attach the camshaft timing exhaust gear assembly to the No. 2 camshaft.
      GTY509728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Knock Pin Hole
      *b Knock Pin
      NOTE:

      Do not forcefully press the camshaft timing exhaust gear assembly. Otherwise, the tip of knock pin of the No. 2 camshaft may damage the seal surface of the camshaft timing exhaust gear assembly, leading to poor sealing.

    3. Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.
      GTY499465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Camshaft Timing Exhaust Gear Assembly
      *a Incorrect
      *b Correct
      *c No. 2 Camshaft Flange
      *d No Clearance
    4. Secure the No. 2 camshaft in place by hand, and then install the bolt of the camshaft timing exhaust gear assembly by hand.
    5. Tighten the bolt.

      Torque: 85 N.m (867 kgf/cm, 63 ft.lbf) 

      NOTE:
      • Do not damage the No. 2 camshaft and camshaft timing exhaust gear assembly.
      • Do not disassemble the camshaft timing exhaust gear assembly.
  5. SET NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Turn the crankshaft until the timing mark (groove) of the crankshaft pulley assembly and the timing mark "0" of the timing chain cover assembly are aligned.
      GTY518376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark "0"
      *b Timing Mark (Groove)
  6. INSTALL NO. 2 CAMSHAFT 
    NOTE:

    When turning the No. 2 camshaft with the chain sub-assembly removed, take care to prevent the piston and valve from contacting and damaging the part.

    HINT: 

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

    Refer to INITIALIZATION [10/2014 - 05/2019] , or refer to INITIALIZATION [05/2019 - ]

    1. Check that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
      GTY497302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem Cap
    2. Apply a light coat of engine oil to the No. 2 camshaft journals and camshaft housing sub-assembly.
    3. Align the paint mark of the chain sub-assembly that was put on when the chain sub-assembly was removed and the timing mark of the camshaft timing exhaust gear assembly. Then install the No. 2 camshaft and camshaft timing exhaust gear assembly.
      GTY515909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
  7. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 

    HINT: 

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

    Refer to INITIALIZATION [10/2014 - 05/2019] , or refer to INITIALIZATION [05/2019 - ]

    1. Align the paint mark of the chain sub-assembly that was put on when the chain sub-assembly was removed and the timing mark of the camshaft timing gear assembly. Then install the camshaft timing gear assembly.
      GTY511206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
      NOTE:

      Do not disassemble the camshaft timing gear assembly.

  8. INSTALL CAMSHAFT 
    NOTE:

    When turning the camshaft with the chain sub-assembly removed, take care to prevent the piston and valve from contacting and damaging the part.

    HINT: 

    Perform "Inspection After Repair" after replacing the camshaft.

    Refer to INITIALIZATION [10/2014 - 05/2019] , or refer to INITIALIZATION [05/2019 - ]

    1. Check that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
      GTY497302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem Cap
    2. Apply a light coat of engine oil to the camshaft journals and camshaft housing sub-assembly.
    3. Align the knock pin of the camshaft with the knock pin hole of the camshaft timing gear assembly and attach the camshaft timing gear assembly to the camshaft.
      GTY498101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Knock Pin Hole
      *b Knock Pin
      NOTE:

      Do not forcefully press the camshaft timing gear assembly. Otherwise, the tip of knock pin of the camshaft may damage the seal surface of the camshaft timing gear assembly, leading to poor sealing.

    4. Check that there is no clearance between the camshaft timing gear assembly and portion A of the camshaft indicated in the illustration.
      GTY520814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Camshaft Timing Gear Assembly
      *a Incorrect
      *b Correct
      *c Portion A of Camshaft
      *d No Clearance
  9. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT 
    1. Apply engine oil to the areas of the camshaft timing gear bolt indicated in the illustration.
      GTY504339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install the camshaft timing gear bolt.

      HINT: 

      When temporarily installing the camshaft timing gear bolt, make sure that it is screwed in approximately 2 threads.

  10. INSTALL CAMSHAFT BEARING CAP 
    1. Install the 10 bearing cap bolts in the order shown in the illustration.
      Fig 1: Camshaft Bearing Cap Tightening Sequence [09/2017 - ] (1 Of 2)
      GTY504753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 27 N.m (275 kgf/cm, 20 ft.lbf) 

    2. Install the 11 bearing cap bolts in the order shown in the illustration.
      Fig 2: Camshaft Bearing Cap Tightening Sequence [09/2017 - ] (2 Of 2)
      GTY511050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 16 N.m (163 kgf/cm, 12 ft.lbf) 

  11. TIGHTEN CAMSHAFT TIMING GEAR BOLT 
    1. Check that the chain sub-assembly is loose as shown in the illustration.
      GTY495566Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Use a wrench to hold the hexagonal portion of the camshaft.
      GTY499110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    3. Tighten the camshaft timing gear bolt.

      Torque: 95 N.m (969 kgf/cm, 70 ft.lbf) 

      NOTE:

      Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.

    4. Check that each timing mark of the camshaft timing gear assembly and camshaft timing exhaust gear assembly are aligned with each paint mark located as shown in the illustration.
      GTY516280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
  12. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 33 [09/2015 - ]

  13. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 1 [10/2014 - ]

  14. INSTALL TIMING CHAIN GUIDE 

    Refer to PROCEDURE - Step 38 [09/2015 - ]

  15. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. Turn the crankshaft approximately 15° clockwise.
      GTY498454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Approximately 15°
    2. Temporarily install a new gasket and the No. 1 chain tensioner assembly with the nut and bolt.
      NOTE:

      Make sure not to drop the gasket inside the timing chain cover assembly.

    3. Tighten the nut and bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    4. Remove the pin from the stopper plate.
  16. CHECK NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Turn the crankshaft until the timing mark (groove) of the crankshaft pulley assembly and the timing mark "0" of the timing chain cover assembly are aligned.
      GTY512032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Approximately 7° *b Approximately 32°
      *c Timing Mark (Groove) *d Timing Mark "0"
      *e Timing Mark *f Paint Mark
    2. Check that each timing mark of the camshaft timing gear assembly and camshaft timing exhaust gear assembly are aligned with each paint mark located as shown in the illustration.
  17. INSTALL TIMING CHAIN COVER PLATE 

    Refer to PROCEDURE - Step 40 [09/2015 - ]

  18. INSTALL VACUUM PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 1 [10/2014 - ]

  19. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10 [09/2015 - ]

  20. CONNECT ENGINE WIRE 
    1. Connect the engine wire with the 3 bolts.

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

    2. Connect the 5 connectors.
  21. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2 [10/2014 - ]

  22. INSTALL NO. 3 INTERCOOLER COOLING WATER PIPE 

    See step  50 [10/2014 - 05/2019], or see step  50 [05/2019 - ]

  23. INSTALL NO. 2 INTERCOOLER COOLING WATER PIPE 
    1. Install the No. 2 intercooler cooling water pipe with the bolt.

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

    2. Connect the No. 1 sub-radiator hose to the No. 2 intercooler cooling water pipe, and slide the hose clip to secure the hose.
    3. Connect the No. 1 turbo water hose to the No. 2 intercooler cooling water pipe, and slide the hose clip to secure the hose.
    4. Connect the No. 6 sub-radiator hose to the No. 2 water by-pass pipe, and slide the hose clip to secure the hose.
  24. INSTALL FAN AND GENERATOR V BELT 

    See step  1

  25. INSTALL REAR ENGINE UNDER COVER RH 

    See step  97 [10/2014 - 05/2019], or see step  98 [05/2019 - ]

  26. INSTALL FUEL PUMP ASSEMBLY (for High Pressure) 

    Refer to INSTALLATION [09/2017 - ]

  27. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 4 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 4 [05/2018 - ]

  28. INSPECT ENGINE OIL LEVEL 

    Refer to PROCEDURE - Step 5 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 5 [05/2018 - ]

  29. INSPECT FOR OIL LEAK 

    Refer to PROCEDURE - Step 6 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 6 [05/2018 - ]