The Notorious TR2-6 Throwout Fork Pin
If
your transmission acts like the clutch is not fully disengaging,
(grinding while shifting, etc.), the problem may be the clutch or
pressure plate, your hydraulics (the slave cylinder rod should move
about an inch or so.), or lastly, the Notorious Throwout Fork Pin.
Every TR2 through TR6 has this pin, which often cracks and causes the
release fork to rock on the shaft even though the pin is tight. This
also means that moving the slave cylinder rod will not push the release
fork until the rod is towards the end of its travel. Solution: Pull the
tranny and replace the pin with our heavy duty replacement pin,
#596-055, making sure to wire it in so it doesn't unscrew. If you are
unable to extract the broken part after it breaks, you've got a problem
which can be solved easily: with the fork facing out, drill a small
hole into the release fork over the inner end of the pin, and then
punch out the broken pieces. Be sure to always check the pin whenever
you have your transmission out.
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