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Shock And Penetrating Oil

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A slick tip is to soak every nut and bolt with a penetrating oil before changing springs and shocks. If you're really on the ball, take your 4x4 to a self-serve car wash and use the high-pressure hose to get rid of mud and grease, then lube the nuts and bolts the day before you start work. If you live in an area where salt is used on the roads during winter months, this may be your only hope of getting rusty hardware off the axles and frame.

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