If your rear brakes feel weak or spongy, here's the process to check and potentially adjust them. However, understand that this is a more advanced task than just turning a wheel. If you're uncomfortable working on brakes, it's best to take it to a professional.
1. Safety First:
* Park on a level surface and engage the parking brake.
* Disconnect the negative battery terminal. This prevents accidental short circuits.
* Use jack stands. Never work under a car supported only by a jack.
2. Assess the Situation:
* Check the brake fluid level. Low fluid indicates a leak or worn pads. Address this *before* adjusting anything.
* Inspect the brake shoes and drums. Are the shoes worn down significantly? Are the drums scored or damaged? Severely worn shoes or damaged drums require replacement, not just adjustment.
3. Manual Adjustment (If Necessary):
The 2000 Mystique's self-adjusters are typically integrated into the wheel cylinders. You might *not* need to manually adjust them. However, if you suspect a problem with the automatic adjuster, you'll likely need to:
* Remove the rear brake drums. This usually involves removing the wheel, then using a drum puller (or carefully tapping the drum from the outside edge) to remove the brake drum.
* Inspect the brake shoes and hardware. Look for damage, wear, or excessive rust. Replace any worn or damaged parts.
* Locate the adjuster mechanism. This is usually a small lever or ratchet mechanism integrated into the wheel cylinder. There may be a small hole to access it. A specific adjustment is *usually not necessary or recommended* and incorrect manipulation can cause damage.
4. Professional Adjustment/Repair:
Because the self-adjusting mechanism is more complex than simply turning a star wheel, if you find the shoes worn or you are unable to determine how to adjust the mechanism, it's highly recommended to:
* Take your car to a qualified mechanic. They have the tools and expertise to diagnose and properly adjust or repair your rear brakes. They can also verify the condition of your brake system components and identify any other potential issues.
Important Considerations:
* Bleeding the brakes: After any work on the brake system, you'll likely need to bleed the brakes to remove any air bubbles.
* Wheel cylinder replacement: If the wheel cylinders are leaking or damaged, they need to be replaced.
* Repair Manual: A repair manual specific to your 2000 Mercury Mystique is invaluable. It will provide detailed instructions, diagrams, and torque specifications.
Working on brakes is dangerous if done improperly. If you are not experienced with automotive repair, it's strongly advised to leave this job to a professional. Improperly adjusted brakes can lead to brake failure, resulting in serious injury or accidents.
