Standard/OEIn stock
$12.66
10 items in stock
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14-WC37778• Rear• Drum Brake Wheel Cylinder
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Oldsmobile Achieva, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Achieva shoes against the drum. Available in new and remanufactured options for your Achieva, every cylinder is bored to OEM specifications
Standard/OE$12.66
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Oldsmobile Achieva is the hydraulic component that actuates your Achieva drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Achieva wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Oldsmobile Achieva. A leaking Achieva 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 Oldsmobile Achieva.
Oldsmobile Achieva drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Achieva, attacking the cylinder bore surface. Once the Oldsmobile Achieva bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Achieva cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Achieva 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 Oldsmobile Achieva. New cylinders are the stronger choice for Achieva vehicles in high-corrosion environments. Remanufactured units offer excellent value for Oldsmobile Achieva vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Achieva cylinder, right bore diameter, port location, and mounting configuration, for your Achieva drum brake assembly before purchase.
Can I drive my Oldsmobile Achieva with a leaking wheel cylinder?
No. A leaking Achieva cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Oldsmobile Achieva over time. Brake fluid that reaches the Achieva shoes renders the friction material ineffective. A leaking Oldsmobile Achieva wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Oldsmobile Achieva at the same time?
Yes. If one Achieva cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Oldsmobile Achieva has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Achieva and avoids a second service call within months.
Do I need to bleed the brakes on my Oldsmobile Achieva after replacing a wheel cylinder?
Yes. Replacing a Achieva wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Oldsmobile Achieva, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Achieva.