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GeoBrakes stocks OEM-grade brake drums confirmed to fit the Buick Riviera, the cast-iron components that form the friction surface for the Riviera drum brake shoes. Available in standard and corrosion-coated configurations for your Riviera, every drum is manufactured to the correct inner diameter, wall thickness, and surface finish for the Buick Riviera
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The brake drum on the Buick Riviera is the rotating cast-iron bowl that the Riviera drum brake shoes press against to slow your vehicle. Mounted to the rear axle hub of your Buick Riviera, it spins with the wheel and provides the friction surface that the shoes contact under braking. Unlike brake rotors, which can be visually inspected from outside the wheel on many Riviera vehicles, Buick Riviera brake drums fully enclose the shoe assembly, which means wear and damage often goes unnoticed until braking performance on the Buick Riviera is noticeably affected.
Standard OEM-Grade Drums for the Buick Riviera
Standard OEM-grade cast-iron drums for the Buick Riviera are manufactured to the original equipment diameter, wall thickness, and surface finish specification for your Riviera. They are the direct replacement for the factory Riviera drum with no modification required.
Coated Brake Drums for the Buick Riviera
Coated Buick Riviera brake drums feature a corrosion-resistant coating applied to the external drum surfaces of your Riviera, the hat section, outer wall, and wheel mounting face. Surface rust is a common issue on Buick Riviera drum brake vehicles in US, particularly during periods of non-use in winter when moisture and salt collect inside the Riviera wheel well. A coated drum on your Buick Riviera resists surface rust that can transfer to the wheel mounting face, making future drum removal significantly easier at the next Riviera brake service.
Buick Riviera brake drum replacement requires matching the correct inner diameter, wall thickness, bolt circle, hub bore, and drum offset for your Riviera. Errors in any of these dimensions produce incorrect shoe-to-drum clearance, uneven wear, and braking problems on the Buick Riviera. Our vehicle selector eliminates those risks by confirming the correct drum for the Buick Riviera exact year, make, model, and axle. Coated Riviera drum options are available for vehicles with heavy salt exposure.
How long do brake drums last on a Buick Riviera?
Buick Riviera brake drums typically last 150,000 to 200,000 kilometres with periodic resurfacing, significantly longer than disc brake rotors on the Riviera. Each resurfacing removes material from the Riviera drum and reduces wall thickness. Once the Buick Riviera drum reaches its maximum allowable inner diameter, it must be replaced rather than turned again.
Should I replace brake drums on my Buick Riviera in pairs?
Yes. Replace both Buick Riviera drums on the same axle to maintain balanced braking. Drums of different inner diameters on the Riviera create uneven friction forces, causing the Buick Riviera to pull to the fresher-drum side during braking.
Should I replace drums and shoes at the same time on my Buick Riviera?
Yes, it is strongly recommended for the Buick Riviera. New shoes on a scored or out-of-round Riviera drum wear unevenly from day one. New Buick Riviera drums with old shoes that have worn to match the old drum surface will contact the new bore incorrectly. Replacing both together on the Riviera ensures proper break-in and maximum service life from both components.