A: In order to change the timing chain of the 2AZ-FE engine, use a screwdriver and hammer to remove the timing chain cover oil seal. Fit the new seal with Special Service Tool 09223-22010 and make it level with the timing gear case. Do not use an angle tapping and apply MP grease to the lip of the seal.
A: To install the timing chain, take off the front wheel, the cylinder head cover, ignition coils, and other parts. Use particular torque values when re-installing, aligning and tensioning. Lastly, check the leaks after engine oil and coolant have been put in and drive belt tension.