Toyota Tundra 2005 Service - Repair - Maintenance page 1606

ENGINE MECHANICAL (1GR−FE)
REPLACEMENT
HINT:
There are 2 methods ((a) and (b)) to replace the oil seal.
REPLACE TIMING CHAIN COVER OIL SEAL
(a)
Pry
NOTICE:
Be careful not to damage the oil pump. Wrap the tip of the
A22976 screwdriver with tape.
SST
A23008
(b)
NOTICE:
Be careful not to damage the crankshaft. Wrap the tip of the
screwdriver with tape.
A23076
SST
A23077
− TIMING CHAIN
If the rear timing chain cover is removed:
(1) Using a screwdriver, pry out the oil seal.
(2) Using SST and a hammer, tap in a new oil seal until
its surface is flush with the timing chain cover edge.
SST 09226−10010
(3) Apply MP grease to the oil seal lip.
If the rear timing chain cover is installed:
(1) Using a screwdriver, pry out the oil seal.
(2) Using SST and a hammer, tap in the oil seal until its
surface is flush with the timing chain cover edge.
SST 09226−10010
(3) Apply MP grease to a new oil seal lip.
EM−43
EM1XM−01