XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Remove:
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the center screw
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the VVT unit from the camshaft.
Installation
Note! for tightening torques, see See: Engine, Cooling and Exhaust/Engine/Specifications/Mechanical Specifications/Tightening Torque
Installing VVT-unit
Note! Ensure that the VVT unit is unlocked, see: Unlocking the VVT unit.
Install:
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the VVT unit on the camshaft
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the 1 x M10 screw; do not tighten.
Install:
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the camshaft
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the chain tensioner.
Note! Adjust the marking on the VVT unit to the color marking on the camshaft chain.