If your parking brake isn't working correctly, the problem likely lies elsewhere and requires professional attention. Possible causes include:
* Worn-out brake shoes: The internal brake shoes in the rear rotors are worn down and need replacing. This is the most common cause.
* Low brake fluid: Check your brake fluid level in the master cylinder reservoir. Low fluid can affect parking brake performance.
* Malfunctioning parking brake actuator: The electric motor or cable mechanism controlling the parking brake could be faulty.
* Frozen or seized components: Rust or corrosion in the rear brake mechanism can prevent proper operation.
* Internal linkage problems: There's a mechanism inside the rear drums/rotors that could be broken or damaged.
Instead of trying to adjust it yourself (which is unlikely to be successful and could cause damage), you should:
1. Check the brake fluid level. If low, add fluid of the correct type. However, low fluid suggests a leak which needs fixing.
2. Have your parking brake professionally inspected and repaired. A mechanic can diagnose the specific problem and replace worn parts, such as brake shoes, or repair any mechanical issues. Attempting to fix this yourself without the proper tools and knowledge can be dangerous.
Ignoring a malfunctioning parking brake is risky, as it compromises your vehicle's safety. Get it checked by a qualified mechanic as soon as possible.
