2007 Subaru Legacy Key Won't Turn

Troubleshooting Common Issues When Your 2007 Subaru Legacy Key Won't Turn and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2007 Subaru Legacy key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the steps to diagnose why the key won't turn in a 2007 Subaru Legacy?

To effectively diagnose why the key won't turn in your 2007 Subaru Legacy, start with the simplest solutions before moving on to more complex issues. Begin by checking the steering wheel lock, as a locked steering wheel can prevent the key from turning. If the wheel is locked, gently wiggle it while attempting to turn the key. Next, inspect the ignition switch and lock cylinder for any signs of malfunction; if necessary, consider replacing the lock cylinder. A weak battery can also be a culprit, so test the battery voltage and replace it if it’s old or insufficient. For automatic transmissions, examine the shift mechanism to ensure the shifter is not stuck in Park, which can hinder key movement. Additionally, check all fuses and electrical components for any faults that could affect ignition functionality. If the problem persists, try using a spare key to rule out key damage. If these steps do not resolve the issue, it may be time to consult a Subaru dealership or a qualified mechanic for a thorough diagnosis. By following this structured approach, you can systematically identify and address the problem with your vehicle's ignition system.

What are the common problems that could cause the key to not turn in a 2007 Subaru Legacy?

When dealing with a 2007 Subaru Legacy where the key won't turn in the ignition, it's essential to consider several common problems that could be at play. One of the primary culprits is the steering wheel lock, which can engage and apply pressure on the ignition cylinder. To alleviate this, try firmly gripping the steering wheel and gently pulling it in the direction it is already turned, which may relieve the pressure and allow the key to turn. Additionally, wiggling both the steering wheel and the key simultaneously can sometimes disengage the lock mechanism, providing a simple solution for many owners.

Another potential issue lies within the park or shifter mechanism, often referred to as the "park shoe." If this component is malfunctioning, it may require professional attention, as it involves specific parts that may need replacement. Electrical problems or a faulty ignition switch can also prevent the key from turning, particularly if there are intermittent glitches that are hard to diagnose. In some cases, the inhibit or safety switch, integral to the ignition system, may fail, necessitating its replacement to restore functionality. Lastly, don’t overlook the condition of the key itself; a worn or damaged key can hinder ignition. Trying a spare key can sometimes resolve the issue. By systematically checking these areas, you can effectively troubleshoot and potentially resolve the problem of a key that won’t turn in your Subaru Legacy.

How urgent is it to address the issue of a key that won't turn in a 2007 Subaru Legacy?

Addressing the issue of a key that won't turn in a 2007 Subaru Legacy is crucial for several reasons. First and foremost, the inability to start your vehicle directly impacts your mobility, making it difficult to carry out daily tasks. Additionally, this problem may indicate underlying issues such as a malfunctioning ignition switch or a weak battery, which could lead to more significant mechanical failures if left unresolved. The steering wheel lock engaging improperly is another common cause, and manipulating the steering wheel while attempting to turn the key can sometimes alleviate the issue. Ignoring this problem not only risks further damage to the ignition system and steering mechanism but could also pose safety hazards, particularly if the steering lock engages unexpectedly while driving. Therefore, it is essential to address this issue promptly to ensure your vehicle's functionality, prevent potential safety risks, and avoid costly repairs down the line. If you're unsure about troubleshooting the problem yourself, seeking assistance from a professional mechanic or a Subaru service center is highly recommended.

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