Door Installation & repairs - Broken Spring Replacement - Automatic Door Openers - General Repair & Service - 24 Hr Emergency Service Line at (530) 327-8511. Garage Door Installation & Service - Garage Door Overhaul - Gear & Sprocket Changes - Spring Replacement - Cable Replacement - Old Door Disposal - Operator Installation & Service - Limit Switches - Capacitor Replacement - Trolley Replacement - Sensor Replacement - Hinge Replacement - Vertical & Horizontal Track Replacement - Roller Replacement - Drum.