Removing the front camshaft seal / variable valve timing unit

CAUTION:

Interrupt the current: Disconnect the battery negative lead. First read Battery, disconnecting .

Remove the timing belt from the timing gear pulley for the camshafts. See Replacing the timing belt .
Check the tensioner and idler pulleys. See Replacing the timing belt .
Remove the camshaft position (CMP) sensor housing and the trigger wheel
Remove the cover at the rear edge of the camshaft.