Seized rear brake calipers
Symptoms
One or both rear brakes drag, causing uneven pad wear, heat buildup, and a pull to one side under braking. You might notice a burning smell after driving, or the rear wheels are noticeably hotter than the fronts.
Cause
The 240's rear brake calipers use a sliding pin design that seizes when the pins corrode or the rubber boots tear. Moisture gets in, the pins rust, and the caliper can't float properly. This is especially common on cars that sit for extended periods or live near the coast. The handbrake mechanism can also seize inside the caliper if the cables are rusted or the lever arm is stuck.
Fix
Remove the caliper, clean the slide pins with a wire brush, and regrease them with silicone brake grease.
Replace the rubber boots if they're torn.
If the pins are deeply pitted or the caliper bore is corroded, replace the entire caliper.
Remanufactured Girling calipers are available for about $80-120 each.
While you're there, check the handbrake cables and mechanism.
Replace the cables if they're stiff or frayed.
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