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A shock that has too much fluid in it will be harder to compress fully;
a shock that has too much air in it will move more easily at the end of
its travel. When you build or rebuild your shocks, you should take care
to bleed them evenly, or unpredictable handling might be the result. Here's
how to test the shocks.
STEP 1. Mount the shocks on the tool without the springs.
STEP 2. From a fully extended position, compress the tool. While
the shock shaft is being compressed, the pointer will move away from the
shock that has more fluid in it. If one shock or both of them become easier
to move) just before they are fully compressed, it means there's a significant
amount of air in the system. When you feel the change in pressure, the
pointer will suddenly swing toward the shock that lacks fluid. Keep in
mind that properly bled shocks don't have much rebound. When compressed
without springs, the shock shaft should selfextend only a couple of millimeters.
If it extends any farther than that, there is too much fluid, and it if
doesn't extend at all, there may be too little fluid.
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