Inspect the belt for cracks or damage. If the belt is cracked or damaged, replace it.
Check that the position of the auto-tensioner indicator (A) is within the standard range (B) as shown. If it is out of the standard range, replace the drive belt.

Transmission Side - Release Bearing Installation
Apply high temp urea grease (P/N 08798-9002) to the release fork (A), the
release fork bolt (B), the release bearing (C), and the release bearing
guide (D) in the shaded areas, then set th ...
Shift Fork Disassembly/Reassembly (M/T)
NOTE: Prior to reassembling, clean all the parts in solvent, dry them, and
apply MTF to all contact surfaces.
...
Parking Brake Inspection and Adjustment
Inspection
Pull the parking brake lever (A) with 196 N (20 kgf, 44.1 lbf)
of force to fully apply the parking brake. The parking brake lever should be
locked within the specif ...