37 How do I remove bushings from a blind hole? (For example: small bushing on the right side of the clutch throwout shaft)
Description
This article is from the VW Technical FAQ, by with numerous contributions by Jan Vandenbrande others.
37 How do I remove bushings from a blind hole? (For example: small bushing on the right side of the clutch throwout shaft)
A: There are several methods:
1) tap it (with a thread tap), screw a bolt into it, and draw it out.
2) this is real slick, and it often works (I use it for pilot bearings
fill the blind hole with grease, find a bar that fits nicely in the
bushing (often a junk part like the one that came out of it),
slug the bar with a hammer and the hydrolic press will force out
the bushing (really does work!!!)
3) You just get the appropriate bolt that will JUST thread into
the soft bushing material. As you thread it in to the bottom it will pull
the bushing out (when it hits bottom).
4) Cut/grind a washer so that it's just
barely bigger than the bushing on two sides, and smaller than the
bushing on the other two sides. Put a screw through the hole on the
washer. Work this washer into the blind hole until it gets BEHIND the
bushing (assuming the bushing doesn't go all the way back). Then
straighten the washer out so that the two long sides are against the
back of the bushing, and tug heartily on the screw with either a slide
hammer or a prybar, depending on which presents the best potential for
leverage (in my case, a slidehammer wouldn't fit into the confines,
but a pair of long-nosed Vise-grips worked perfectly -- the long nose
worked as a pivot point against a perfectly-positioned bulge in the
differential housing, sort of like a wheelbarrow, and a good tug got
the bushing out).
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