When is it necessary to replace seam sealers?

Replacement of seam sealers is necessary in any location originally applied by the manufacturer, as these sealers serve critical roles in maintaining the structural integrity and corrosion resistance of the vehicle. Seam sealers are designed to seal joints and seams where different body panels meet, preventing moisture intrusion and protecting against rust and deterioration. When repair or restoration work is performed, especially after collision damage, it’s imperative that the seam sealers are replaced in the same areas to restore the vehicle to its original structural state.

While it may be necessary to replace seam sealers if they are specifically damaged during the repair process, this does not account for areas that were never disturbed. Additionally, the type of primer used or repainting a vehicle does not inherently necessitate the replacement of seam sealers unless those specific seams are compromised. Thus, focusing on the manufacturer's original application ensures that the repair adheres to the vehicle's design specifications for safety and durability.