Standard/OE$21.09
10 items in stock
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GeoBrakes carries OEM-grade drum brake wheel cylinders confirmed to fit the Chevrolet Hhr, the hydraulic actuators at the top of each drum brake assembly that convert brake fluid pressure into the mechanical force that pushes the Hhr shoes against the drum. Available in new and remanufactured options for your Hhr, every cylinder is bored to OEM specifications
Standard/OE$21.09
10 items in stock
Select your vehicle to see compatible products and accurate pricing
Standard/OE$14.62
9 items in stock
Select your vehicle to see compatible products and accurate pricing
Standard/OE$14.62
10 items in stock
Select your vehicle to see compatible products and accurate pricing
The drum brake wheel cylinder on the Chevrolet Hhr is the hydraulic component that actuates your Hhr drum brake shoes every time you press the brake pedal. Brake fluid pressure from the master cylinder enters the Hhr wheel cylinder and acts equally on two opposed pistons, pushing them outward simultaneously toward each shoe on the Chevrolet Hhr. A leaking Hhr 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 Chevrolet Hhr.
Chevrolet Hhr drum brake wheel cylinders are particularly vulnerable to corrosion in American road salt conditions. Salt water penetrates the dust boots over time on the Hhr, attacking the cylinder bore surface. Once the Chevrolet Hhr bore is pitted, new piston cup seals cannot maintain a leak-free seal. Internally corroded Hhr cylinders must be replaced, not rebuilt. Vehicles in high-salt urban environments often require Hhr 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 Chevrolet Hhr. New cylinders are the stronger choice for Hhr vehicles in high-corrosion environments. Remanufactured units offer excellent value for Chevrolet Hhr vehicles in moderate conditions where the original bore was sound. Our vehicle selector confirms the correct Hhr cylinder, right bore diameter, port location, and mounting configuration, for your Hhr drum brake assembly before purchase.
Can I drive my Chevrolet Hhr with a leaking wheel cylinder?
No. A leaking Hhr cylinder actively loses hydraulic pressure from the brake circuit, reducing stopping force on your Chevrolet Hhr over time. Brake fluid that reaches the Hhr shoes renders the friction material ineffective. A leaking Chevrolet Hhr wheel cylinder is an immediate safety concern that requires urgent attention.
Should I replace both wheel cylinders on my Chevrolet Hhr at the same time?
Yes. If one Hhr cylinder has leaked or seized due to age and corrosion, the cylinder on the opposite side of the Chevrolet Hhr has experienced identical conditions and is at a similar stage of deterioration. Replacing both ensures balanced hydraulic pressure on your Hhr and avoids a second service call within months.
Do I need to bleed the brakes on my Chevrolet Hhr after replacing a wheel cylinder?
Yes. Replacing a Hhr wheel cylinder opens the hydraulic circuit, allowing air to enter. After installation on the Chevrolet Hhr, the entire rear brake circuit must be bled to remove all air and restore a firm, consistent brake pedal on your Hhr.