The sealing rings are synthetic resin with chamfered ends. Check the condition of the sealing rings, and replace them only if they are worn, distorted, or damaged.
For a better fit, squeeze sealing rings together slightly before installing them.

Apply ATF to the new sealing rings, then install them on the secondary shaft.

After installing the sealing rings, verify the following:
The rings are fully seated in the groove.
The rings are not twisted.
The chamfered ends of the rings are properly joined.
EVAP Canister Vent Shut Valve Replacement
Remove the EVAP canister assembly.
Remove the hose (A), and disconnect the EVAP canister vent shut valve
connector (B).
Remove the EVAP canister vent shut valv ...
Mainshaft Assembly Clearance Inspection (M/T)
NOTE: If replacement is required, always replace the synchro sleeve and the
synchro hub as a set.
Support the bearing inner race with an appropriate size socket (A), and
push down on the m ...
Front Passenger's Weight Sensor Replacement (Part-2)
When tightening the TORX nuts (A), begin with ?, and tighten them in a
crisscross pattern in two or more steps.
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