Variable Valve Timing Actuator Removal/Installation

1. Insert a suitable bolt (M6 X 1.0, length 25-35 mm {1.0-1.3 in})  into the engine front cover upper blind plug and tighten it until it contacts the chain tensioner arm, and then rotate it back one turn. (Set the bolt slightly away from the chain tensioner arm so that it does not contact it.)
   Fig 5: Identifying Engine Front Cover Upper Blind Plug Bolt

   
2. Using the cast hexagon on the exhaust camshaft, apply force counterclockwise to facilitate unlocking the chain tensioner ratchet.
   Fig 6: Rotating Cast Hexagon Counterclockwise

   
3. Using a Hex bit socket (2.5 mm {0.098 in})  or T15 Torx bit socket, unlock the chain tensioner ratchet so that it can be lifted up.
   Fig 7: Unlocking Chain Tensioner Ratchet

   
4. Using the cast hexagon on the exhaust camshaft, apply force in the direction of the engine rotation to increase tension on the chain.
   Fig 8: Rotating Cast Hexagon

   
   NOTE:

   • The chain tensioner rack is compressed using the chain tension generated by applying force to the exhaust camshaft in the direction of the engine rotation.
     Fig 9: Compressing Chain Tensioner Rack Using Chain Tension

     
5. Screw in the bolt set in Step 1 approx. 5 mm {0.2 in} and secure the tensioner arm with the rack compressed.
   NOTE:

   • The racket has not been unlocked if the bolt cannot be pressed in approx. 5 mm {0.2 in}.
   Fig 10: Identifying Tensioner Arm Bolt Dimensions

   
   • If the tensioner arm cannot be secured, return the bolt to its original position and repeat the procedure from Step  4.

1. Mark the camshaft and variable valve timing actuator as shown in the figure to make sure they are installed in their original position.
   Fig 14: Identifying Mark On Camshaft And Variable Valve Timing Actuator

   
   NOTE:

   • Do not add scratch marks to the camshaft thrust area.
2. Secure the camshaft in a vise.
   Fig 15: Securing Camshaft In Vise

   
3. Loosen the variable valve timing actuator tightening bolt.

1. Secure the camshaft in a vise.
2. Align the marks of the camshaft and variable valve timing actuator.
3. Tighten variable valve timing actuator tightening bolt.

   Tightening torque 

   • 69-75 N.m {7.1-7.6 kgf.m, 51-55 ft.lbf}

Fig 19: Identifying Camshaft Cap Bolt Tightening Sequence

Tightening procedure 

• Step  1: 5.0-9.0 N.m {51-91 kgf.cm, 45-79 in.lbf}
• Step  2: 14-17 N.m {1.5-1.7 kgf.m, 11-12 ft.lbf}

Fig 22: Tightening Sprocket Bolt

Tightening torque 

• 69-75 N.m {7.1-7.6 kgf.m, 51-55 ft.lbf}

• If not aligned, loosen the camshaft sprocket bolt and repeat the procedure from Step  35.

Fig 23: Identifying Cylinder Block Lower Blind Plug

Tightening torque 

• 18-22 N.m {1.9-2.2 kgf.m, 14-16 ft.lbf}

Fig 24: Identifying Silicone Sealant Application Area On Engine Front Cover Upper Blind Plug

Tightening torque 

• 8-11 N.m {82-117 kgf.cm, 71-101 in.lbf}

Fig 25: Identifying Engine Front Cover Lower Blind Plug

Tightening torque 

• 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}