Before installation, manuals for heavy-duty shocks like the BR 3021 emphasize the following:
The manual begins with bold warnings:
Because the BR 3021 has been produced under different OEM suppliers (e.g., Bilstein, Rancho, or a generic heavy-duty brand), there are multiple versions. To find the exact manual you need: br 3021 shock manual
While the BR 3021 shock manual covers maintenance, it doesn’t discuss performance upgrades. Experienced tuners suggest: Before installation, manuals for heavy-duty shocks like the
Warning: Any modification voids the warranty unless you’re a certified tech. Warning: Any modification voids the warranty unless you’re
The manual includes a specific chart for vehicle weights. For example:
The BR 3021 shock manual dedicates a full page (Page 4) to safety. Do not skip this. Key warnings include: