Install Greasable U Joints, Suzuki Samurai.
The factory U-joints (universal joints) do not have grease fittings and are considered to be permanently greased. But after a while the factory U-joints will dry out and lose their grease and eventually fail. You want to change the stock U-joints (universal joints) before they fail, especially in a 4 wheel drive vehicle that may be undergoing more stresses in rough terrain. The best replacement, aftermarket U-joints (universal joints) will have grease fittings. Being able to grease the U-joints (universal joints) at regular maintenance intervals will greatly add to the life of your U-joints (universal joints). When replacing U-joints (universal joints), make sure that you make the yokes, the drive-shaft and the flanges at the transfer case, differential and transmission to make sure you in install the drive-shaft back in the same positions as at the factory. The drive-shaft has counter weights and is balanced specifically for your vehicle.
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