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14-WC370190• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Cadillac Fleetwood, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Fleetwood shoes against the drum. Available in new and remanufactured options for your Fleetwood, every cylinder is bored to OEM specifications
Standard/OE$15.59
10 items in stock
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Standard/OE$12.52
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Standard/OE$12.40
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The drum brake wheel cylinder on the Cadillac Fleetwood is the hydraulic component that actuates your Fleetwood drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Fleetwood wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Cadillac Fleetwood. A leaking Fleetwood wheel cylinder actively bleeds hydraulic pressure from the brake circuit and contaminates the brake shoes with fluid, both of which directly compromise your ability to stop the Cadillac Fleetwood.
Cadillac Fleetwood drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Fleetwood, attacking the cylinder bore surface. Once the Cadillac Fleetwood bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Fleetwood cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Fleetwood wheel cylinder replacement on the same service interval as brake shoes.
GeoBrakes stocks both new OEM-specification wheel cylinders and quality remanufactured units for the Cadillac Fleetwood. New cylinders are the stronger choice for Fleetwood vehicles in high-corrosion environments. Remanufactured units offer excellent value for Cadillac Fleetwood vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Fleetwood cylinder, right bore diameter, port location, and mounting configuration, for your Fleetwood drum brake assembly before purchase.
Can I drive my Cadillac Fleetwood with a leaking wheel cylinder?
No. A leaking Fleetwood cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Cadillac Fleetwood over time. Brake fluid that reaches the Fleetwood shoes renders the friction material ineffective. A leaking Cadillac Fleetwood wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Cadillac Fleetwood at the same time?
Yes. If one Fleetwood cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Cadillac Fleetwood has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Fleetwood and avoids a second service call within months.
Do I need to bleed the brakes on my Cadillac Fleetwood after replacing a wheel cylinder?
Yes. Replacing a Fleetwood wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Cadillac Fleetwood, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Fleetwood.