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