Piston Slap: My Pick Up's Failing Clutch Pick Up?

TTAC Commentator halftruth writes:

My 2012 Tacoma has a temperamental clutch. Sometimes it catches high, sometimes low. This is most annoying on a grade when the pedal comes up and very little happens, then — boom! — it grabs all at once or it catches a little at a time and eventually works as it should. The ambient temperature does not seem to matter nor if the truck is hot or cold.

I noticed the pedal linkage is all plastic and has lots of play in it. I have also noticed this in other Tacomas of the same generation. I did adjust the actuator gap as it was way out of spec at about 8 mm, but it did not make a difference.

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