Testing and Inspection of Variable Valve Timing Actuator for CX-7 FWD L4-23L Turbo (2010)
c. 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.
d. Using the cast hexagon on the exhaust camshaft, apply force in the direction of the engine rotation to increase tension on the chain.
NOTE:
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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.
NOTE:
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The ratchet has not been unlocked if the bolt cannot be pressed in approx. 5 mm {0.2 in}.