Avalon XLS V6-3.0L (1MZ-FE) (1998)
b. Hold the tensioner with both hands and push the push rod strongly as shown to check that it doesn't move.
If the push rod moves, replace the tensioner.
NOTICE: Never hold the tensioner push rod facing downward.
c. Measure the protrusion of the push rod from the housing end.
Protrusion: 10.0 - 10.8 mm (0.394 - 0.425 inch)
If the protrusion is not as specified, replace the tensioner.