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I would need a VIN to get you the correct parts list (there is an engine number break point).
Special tools needed: Cam locking tool (W271-589-00-61-00) & adjuster center bolt socket (W271-589-00-10-00)
Step 1: Install fender covers and disconnect battery.
Step 2: Remove intake pipe assembly from air filter to turbo charger and remove power steering reservoir.
Step 3: Loosen P/S reservoir bracket to cylinder head (do not remove, only loosen) and remove coolant pipe & breather hose that run along the passenger side of the cylinder head cover.
Step 4: Remove ignition coils and cylinder head cover. Rotate engine to ignition TDC and install camshaft holding tool.
Step 5: Remove alternator to access chain tensioner. Remove chain tensioner cover plug from timing cover and remove chain tensioner (replace tensioner, do not reuse).
Step 6: Remove thermostat & cylinder head front cover and clean surface with Loctite 7200 (A010-989-90-71) and surface prep spray Loctite 7063 (A001-986-71-71-10). Do not use sharp or rough objects to clean surface, use chemical spray to prevent damage to sealing surface.
Step 7: Remove centering bolts and replace camshaft adjusters (recommend to replace one at a time to keep the timing chain in place.
Step 8: Reseal front cover and reassemble vehicle.
Step 9: Replace engine oil and filter. Fill & bleed cooling and power steering system. Inspect for leaks and function test repair.
Hope that helps!
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