Toyota Tundra 2005 Service - Repair - Maintenance page 1725

EM−22
ENGINE MECHANICAL (2UZ−FE)
(b)
If the push rod moves, replace the tensioner.
NOTICE:
Never hold the tensioner push rod facing downward.
P20634
(c)
Protrusion
If the protrusion is not as specified, replace the tensioner.
4.
P20635
− TIMING BELT
Hold the tensioner with both hands and push the push rod
strongly as shown to check that it doesn't move.
Measure the protrusion of the push rod from the housing
end.
Protrusion: 10.5 to 11.5 mm (0.413 to 0.453 in.)
INSPECT WATER PUMP (See page CO−7)