Tundra 4WD V8-4.7L (2UZ-FE) (2003)
b. Check that the timing marks of the camshaft timing pulleys and timing belt rear plates aligned.
If not, turn the crankshaft 1 revolution (360°).
c. Remove the crankshaft pulley bolt.
NOTICE: Do not turn the crankshaft pulley.
17. REMOVE TIMING BELT TENSIONER
HINT:
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When re-using timing belt:
If the installation marks have disappeared, before remove the timing belt, place 2 new installation marks on the timing belt to match the timing
marks of the camshaft timing pulleys.
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When replacing timing belt tensioner only:
To avoid meshing of the timing pulley and timing belt, secure one of them with string. And place matchmarks on the timing belt and RH
camshaft timing pulley.
Alternately loosen the 2 bolts, and remove them, the belt tensioner and dust boot.