What to Do When the Rear Wheel Brakes Lock Up?

1 Answers
LaLawson
07/30/25 10:47am
Force-start the vehicle and rev the engine aggressively until the rear wheels begin to rotate; alternatively, remove the tire and gently tap the brake drum with a hammer or similar tool to loosen the brake drum and brake pads. Below is relevant information about brake lock-up: 1. Causes: Brake lock-up typically occurs after rain or car washing when the vehicle is parked for an extended period (usually around a day). Rust can form between the inner surface of the rear brake drum and the brake pads, causing them to seize. 2. Prevention Methods: To prevent brake lock-up, after water enters the brake drum, avoid parking immediately. Drive for a while and apply the brakes frequently to allow the moisture to evaporate. Alternatively, when parking, do not engage the handbrake. For manual transmission vehicles, leave the car in 1st gear, and for automatic transmission vehicles, leave it in P (Park) gear to prevent the vehicle from rolling. This way, the brake drum and brake pads will not be in contact, preventing rust-induced seizure.
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