| 摘要 |
<p>A powertrain assembly for use in a motor vehicle powertrain system having an output shaft (12) forming a cylindrical outer surface, a splined end (18), and a frustoconical shoulder, and a CVJ assembly having an inner race (34), and outer race (24). Ball elements (38) are provided between the inner and outer races. A seal assembly (48) is provided having a boot (50) with an outer lip (54) affixed to the CVJ outer race and an inner lip (51) forming first and second radial faces and an inside cylindrical surface. Axial insertion of the output shaft splined end into the CVJ inner race splined bore causes the boot assembly inner lip (51) to be expanded and frictionally engage with the output shaft cylindrical outer surface and wherein the boot inner lip first and second radial faces are clamped between the inner race radial surface and the shaft frustoconical shoulder (20).
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