1960 chevrolet impala

how to set per-load for front wheel bearings with ball bearing.

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  1. I am assuming you have already packed the bearings with grease. Tighten the nut completely as this sets the bearing. Then back it off a 1/4 to 1/2 a turn so you can line up the cotter pin. (minimum 1/4 turn, maximum 1/2 turn)

    From the Manual:
    It is important that wheel bearings be properly adjusted after installation. Improperly adjusted wheel bearings can cause steering instability, front-end shimmy and wander, and increased tire wear. Properly adjusted bearings have a slightly loose feeling. Wheel bearings must never be preloaded. Preloading will damage bearings and eventually spindles. If the bearings are too loose, they should be cleaned, inspected, and then adjusted.

    Hold the tire at the top and bottom and move the wheel in and out of the spindle. If the movement is greater than 0.008 in. (0.005 in. 1974 and later), the bearings are too loose.

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