Heavy Duty FAQ

Do shocks wear out?

Yes, shocks do wear out. They are a wear item designed to protect other more expensive components. Shocks will rarely fail completely, but damping performance can reduce over time, which could have a very negative effect on other components (See Gabriel HD Technical Bulletin: Tire Wear and Shock Absorbers).

A shock can be composed of up to 40 precision engineered parts, which include: valves, valve seats and springs, pistons, a piston rod, and a number of high precision parts and seals. All of these components are susceptible to wear and tear over time. That’s why Gabriel® recommends that you have your shocks checked by a qualified service technician visually every 15,000 miles and heat-tested every 50,000 miles. Please refer to Gabriel HD Technical Bulletin: When to Replace HD Shocks for more information.

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