What Causes Parking Brake Problems?
Parking brakes operate either through a traditional mechanical cable system or an electronic parking brake (EPB). Both designs require proper adjustment and functioning rear brake components to operate safely.
Problems may include a parking brake that won't release, won't engage, feels loose, sticks after parking, makes unusual noises, or displays a parking brake warning light. The specific symptoms help determine whether the issue is mechanical, hydraulic, or electronic.
Which Best Matches Your Vehicle?
Select Your Parking Brake Problem
Choose the condition that most closely matches your vehicle.
Select one of the parking brake conditions above.
Why Is My Parking Brake Not Working Properly?
Stretched or Broken Brake Cable
Mechanical parking brake cables wear over time and may no longer apply enough force.
Seized Brake Cable
Rust and corrosion may prevent the cable from moving freely.
Rear Brake Wear
Worn rear brake shoes or pads reduce parking brake holding power.
Improper Adjustment
An improperly adjusted parking brake requires excessive lever travel or won't hold securely.
Electronic Parking Brake Actuator Failure
Electronic actuators may fail mechanically or electrically.
Parking Brake Switch Failure
Faulty switches may illuminate warning lights or prevent proper operation.
Frozen Rear Brake Components
Brake calipers, shoes, or hardware may seize after extended periods of non-use or corrosion.
EPB Control Module Fault
Electronic parking brake modules may store diagnostic trouble codes that require professional scanning.
Brake Caliper Problems
Rear calipers incorporating parking brake mechanisms may fail internally.
Corrosion & Road Salt Damage
Corrosion commonly affects parking brake cables, hardware, and rear brake assemblies in Maryland.
The Way Your Parking Brake Fails Helps Narrow the Diagnosis
Won't Release
Commonly caused by seized cables, frozen rear brake hardware, or electronic actuator problems.
Won't Hold Vehicle
Usually caused by worn rear brakes, stretched cables, or improper parking brake adjustment.
Warning Light On
Often indicates a parking brake switch fault, electronic parking brake malfunction, or another brake system issue.
Parking Brake Problems Should Be Diagnosed Promptly
Parking Brake Won't Hold
If your primary braking system operates normally, you may still drive the vehicle. However, avoid parking on hills until the parking brake has been repaired.
Parking Brake Won't Release
Driving with a partially applied parking brake can quickly overheat the rear brakes, damage brake components, and reduce fuel economy.
Brake Warning Light & Poor Braking
If a brake warning light is accompanied by poor braking performance or a soft brake pedal, stop driving immediately and have the vehicle inspected.
Stop Driving and Seek Service If:
How We Diagnose Parking Brake Problems
System Inspection
We determine whether your vehicle uses a mechanical cable parking brake or an electronic parking brake (EPB).
Rear Brake Inspection
Rear brake pads, shoes, rotors, drums, calipers, and hardware are inspected for wear and damage.
Cable & Linkage Inspection
Parking brake cables, adjustment mechanisms, pivots, and linkage are checked for stretching, corrosion, or seizure.
Electronic System Scan
On electronic parking brake systems, we scan for fault codes and test actuator operation.
Adjustment & Function Test
Proper adjustment and holding ability are verified after any repairs or component replacement.
Final Verification
We confirm proper engagement, release, and vehicle holding performance before returning the vehicle.