RM3660EC _51 Engine / Hybrid System _080726 8ZR-FXE ENGINE MECHANICAL _0391615 CAMSHAFT A

8ZR-FXE ENGINE MECHANICAL  CAMSHAFT  REMOVAL  


CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during camshaft removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
·

Replacement of throttle body assembly

·

Replacement of camshaft (for intake or exhaust camshaft)

·

Replacement of camshaft timing gear assembly

·

Replacement of ignition coil assembly


Inspection after repair
·

Poor idle, etc.

·

Engine start function, etc.


(Click here)

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven
Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Front Camera System Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more. (Click here)


PROCEDURE

Hide 33820B 6.DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY

a.
A393200

Remove the bolt to disconnect the transmission control cable assembly from the cylinder head cover sub-assembly.


Hide 82121 10.DISCONNECT ENGINE WIRE

a.
A438697

Disconnect the 3 connectors.


b.

Disengage the 4 clamps.


c.

Remove the bolt and disconnect the engine wire from the cylinder head cover sub-assembly.


Hide 20.SET NO. 1 CYLINDER TO TDC (COMPRESSION)


b.
A377938C01
0.938,0.823 2.792,0.365 true 2.781,0.885 2.792,0.365 2.792,0.365 2.99,0.948 true 0.927,1.01 1.75,1.667 1.75,1.667 2.958,1.125 true 2.729,0.167 3.042,0.323 0.313,0.156 10 true *a 1.646,1.708 1.958,1.865 0.313,0.156 10 true *b
*a Paint Mark
*b Timing Mark


Place paint marks on the chain sub-assembly in alignment with the timing marks on the camshaft timing gear assembly and camshaft timing sprocket.


Hide 13562 21.REMOVE NO. 2 CHAIN VIBRATION DAMPER

a.
A375421N01
1.865,1.458 2.615,0.656 true 2.667,0.583 3.125,0.781 0.458,0.198 10 false SST

Using SST, remove the 2 bolts and No. 2 chain vibration damper from the No. 1 camshaft bearing cap.

SST
09961-00950  


Hide 13523G 23.REMOVE CAMSHAFT TIMING SPROCKET

a.
A438698C01
2.458,0.25 2.667,0.25 false 2.521,0.76 2.677,0.5 2.677,0.5 2.792,0.5 false 2.729,0.167 3.188,0.365 0.458,0.198 10 false SST 2.833,0.385 3.146,0.583 0.313,0.198 10 false *a 1.167,0.167 1.479,0.365 0.313,0.198 10 true *b 0.479,0.188 0.698,0.396 0.219,0.208 10 true *c
*a 14 mm Union Nut Wrench
*b Hold
*c Turn


While holding the hexagonal portion of the No. 2 camshaft with a wrench, remove the bolt with SST and 14 mm union nut wrench.

SST
09961-00950  


b.
A438699

While removing the chain sub-assembly, pull out the camshaft timing sprocket horizontally and then upward.


Hide 25.REMOVE CAMSHAFT BEARING CAP

a.
A438700N01
0.969,0.5 1.125,0.698 0.156,0.198 10 true 1 0.938,1.438 1.094,1.635 0.156,0.198 10 true 2 1.573,0.5 1.729,0.698 0.156,0.198 10 true 5 1.552,1.542 1.708,1.74 0.156,0.198 10 true 6 2.115,0.479 2.271,0.677 0.156,0.198 10 true 9 2.094,1.542 2.323,1.76 0.229,0.219 10 true 10 2.635,0.469 2.792,0.667 0.156,0.198 10 true 7 2.625,1.521 2.781,1.719 0.156,0.198 10 true 8 3.156,0.448 3.313,0.646 0.156,0.198 10 true 3 3.146,1.542 3.302,1.74 0.156,0.198 10 true 4

Uniformly loosen and remove the 10 bolts in the order shown in the illustration.

NOTICE:

Do not loosen the other 10 bearing cap bolts in this step.


HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.



b.

Remove the bolts and camshaft bearing caps in the order shown in the illustration. Immediately after removing each camshaft bearing cap, install service bolts and spacers in the order shown in the illustration.

A438701C01
1.521,1.396 1.979,0.917 1.979,0.917 1.521,1.073 true 4.438,3.052 4.75,3.208 0.313,0.156 10 false *a 4.438,3.271 4.75,3.427 0.313,0.156 10 false *b 2.042,0.823 2.354,0.979 0.313,0.156 10 false *c
*a The removal order of the parts *b The installation order of the service bolts and spacers for temporarily tightening the camshaft housing sub-assembly
*c Service bolt and spacer (Used to temporarily secure the camshaft housing sub-assembly) - -


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

NOTICE:
·

If the bolts are loosened all at once, seal packing on the camshaft housing sub-assembly and cylinder head sub-assembly may separate, resulting in oil leaks. Therefore, be sure to install the service bolts and spacers to one camshaft bearing cap at a time.

·

Do not install the camshaft bearing caps when installing the service bolts and spacers.



HINT:
·

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

·

Part number for the service bolt used to temporarily secure the camshaft housing sub-assembly: 91551-G0875 (15 bolts)

·

Part number for the spacer used to temporarily secure the camshaft housing sub-assembly: 90387-12048 (15 spacers)




Hide 13512 26.REMOVE NO. 2 CAMSHAFT

a.
A438702

Remove the No. 2 camshaft from the camshaft housing sub-assembly.


Hide 13511 27.REMOVE CAMSHAFT

a.
A438703

Hold up the chain sub-assembly and remove the camshaft from the camshaft housing sub-assembly.


b.
A438704

Suspend the chain sub-assembly with a string or equivalent.


Hide 13050 28.REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

a.

Secure the hexagonal portion of the camshaft in a soft jaw vise.


b.
A375432C01
1.021,1.104 0.563,1.146 0.563,1.146 1.24,0.938 true 1.229,1.552 0.583,1.156 0.583,1.156 1.417,1.375 true 0.365,1.083 0.677,1.24 0.313,0.156 10 false *a
*a Do not remove


Remove the bolt and camshaft timing gear assembly.

NOTICE:
·

Before removing the camshaft timing gear assembly, make sure that the lock pin has been released.

·

Do not remove the other 4 bolts.

·

Keep the camshaft timing gear assembly horizontal while removing it from the camshaft.

·

If the camshaft timing gear assembly is to be reused, be sure to install it with the lock pin released.