Parts for your 2000 Subaru Legacy-Brake wheel cylinders

2000 Subaru Legacy brake wheel cylinders — are they used?

Short answer: no, brake wheel cylinders aren’t used on the 2000 Subaru Legacy. This model runs disc brakes front and rear, so there are no hydraulic wheel cylinders anywhere in the service brake system.

This isn’t just hearsay. The Subaru Factory Service Manual for the 2000MY Legacy/Outback (BE/BH), Brake section, specifies ventilated front discs and solid rear discs across the range. Subaru’s FAST parts catalogue for BE/BH lists rear calipers and a drum-in-hat parking brake with shoes, but no rear wheel cylinder part numbers. General repair references like the Haynes Subaru Legacy 2000–2009 manual and Autodata braking specs also record four-wheel disc brakes. Even major aftermarket catalogues consistently list calipers and parking-brake shoes for the rear, not wheel cylinders.

Wheel cylinders only appear on hydraulic drum brakes. Because the 2000 Legacy uses disc brakes at the rear, clamping is done by calipers, not wheel cylinders. The rotor hats do contain a small mechanical parking brake (handbrake) with shoes, but it’s cable-operated, not hydraulic, so there’s still no wheel cylinder hiding in there.

What should owners and techs focus on instead? Keep the disc-brake hardware and the drum-in-hat handbrake in good nick. During routine servicing, it’s smart to:

• Inspect front and rear calipers for leaks, sticky slide pins and even pad wear.
• Measure rotor thickness and runout, machine or replace if below spec or warped.
• Replace brake fluid every 2 years (or ~40,000 km) to prevent moisture-related corrosion and a spongy pedal.
• Check the parking brake shoes, springs and adjusters inside the rear rotor hat, clean and adjust for a firm, even hold.
• Look over hoses and hard lines for cracking, corrosion or weeping.

If someone’s trying to sell “rear wheel cylinders” for a 2000 Legacy, chances are they’ve mixed it up with a drum-brake model from another Subaru line. For this Legacy, the right call is rear caliper service plus the occasional handbrake shoe refresh and adjustment. Easy as.

Popular questions

Does the 2000 Subaru Legacy have rear drum brakes or wheel cylinders?
No. It runs rear disc brakes with calipers, so there are no hydraulic wheel cylinders. The only “drum” you’ll see is the small drum-in-hat section inside the rear rotor for the mechanical handbrake, and that uses shoes and a cable, not hydraulics.

What should be serviced instead of wheel cylinders on a 2000 Legacy?
Focus on the rear calipers (seals, slide pins, pads and rotors) and the parking brake shoes and hardware inside the rotor hat. Don’t forget a brake fluid flush every two years to keep pedal feel and corrosion protection on point.

How can I tell if I’m being sold the wrong part?
If a listing shows “rear wheel cylinders” for a 2000 Legacy, it’s likely for a different Subaru model with drums. Check that the rear of your car has rotors and calipers, confirm by VIN in a Subaru parts catalogue, and look for parts labelled rear calipers and parking-brake shoes instead.