
First, drive forward and then backward three times, ensuring the movement is not too extensive to avoid forcibly dragging and wearing the tires. Pour 100-degree boiling water between the brake pads and the brake drum. The thermal expansion might cause them to separate automatically, then reapply the method mentioned above. Gently tapping both sides might help them separate. If that doesn't work, try kicking the tire a few times. If still unsuccessful, consider disassembling and reassembling the brake pads.

I encountered the same issue last year when driving my Santana. After a rainy day, the rear wheels got completely stuck, and it took a lot of effort to push the car. Start with the basics: check if the handbrake isn't fully released or if the cable is rusted and jammed. Try rocking the car back and forth a few times; sometimes that can loosen the calipers. If that doesn't work, gently tap the edges of the rear brake calipers with a wrench, but be careful not to damage any parts. If the rust is severe, you might need to remove the wheel to clean the calipers and brake pads. Remember to maintain the braking system regularly, especially after parking in damp conditions—avoid pulling the handbrake too tight to reduce this problem. If you really can't free it, call a tow truck for repairs instead of forcing it to avoid damaging the wheels.

For those frequently dealing with such issues in older vehicles, rear wheel lock-up on the Santana is often caused by rusted brake caliper pistons or deteriorated brake fluid. Try starting the car and gently rocking it forward and backward in low gear a few times to see if the vibration can free it, but avoid excessive force to prevent damage to the brake discs. Also, check if the handbrake system operates smoothly, ensuring the cables aren't frayed or corroded. Verify the brake fluid level is normal, replacing it if contaminated. If the caliper is stuck, lightly tap the piston area to attempt releasing pressure, ensuring the vehicle is stable before doing so. Prevention is better than cure; it's recommended to inspect the wheel braking components every six months, promptly cleaning and lubricating any rust spots found. The Santana's durability relies on regular maintenance.

I love DIY car repairs, here's my advice for the Santana's rear wheel lock-up issue. Don't panic, it might be the handbrake not fully released or the caliper stuck; try pulling and releasing the handbrake several times to see if it loosens. If that doesn't work, put on protective gloves, remove the wheel, and check if the caliper spring plate is displaced or rusted. Use a pry bar to gently push the piston to release it, but make sure you have the right tools like wrenches and lubricant. Ensure the car is stable during operation to avoid injury. Regular DIY maintenance is simple, like cleaning the wheel hubs to prevent dust buildup; but if you can't solve it, don't mess around blindly—seek professional help promptly, safety first.


