Saturn Sky 2007-2010 Automatic Transmission Control Solenoid Replacement Guide
Experiencing harsh shifting or getting stuck in gear? Your Sky's transmission control solenoid could be the culprit.
- Symptoms like harsh shifting, getting stuck in gear, or the transmission disengaging when hot are strong indicators of solenoid failure in the Sky's 5L40-E transmission.
- There are no active recalls for the transmission control solenoid on the 2007-2010 Saturn Sky.
- Replacing the solenoids is an involved job requiring removal of the transmission pan; it is not a simple bolt-on part.
- Using a quality aftermarket brand like Standard Ignition is a reliable way to save money over OEM parts without sacrificing quality.
Is Your Saturn Sky Shifting Strangely?
A faulty automatic transmission control solenoid can make your 2007-2010 Saturn Sky's transmission behave unpredictably. These solenoids are small but essential parts located inside the transmission on the valve body. Because they control fluid pressure, their failure directly impacts your car's ability to shift gears properly. Symptoms can appear suddenly and range from annoying to severe, potentially leaving you stuck in a single gear.
Common Symptoms of a Failing Transmission Solenoid
- Delayed or Harsh Shifting: You may feel a long pause and then a clunk when the transmission shifts from Park to Drive, or between gears while driving.
- Stuck in Gear: The transmission may refuse to shift, getting stuck in a single gear (often second or third). 🎬 See how a faulty solenoid prevents the car from shifting This is a 'limp mode' designed to prevent further damage.
- Erratic Shifting: The transmission might shift up and down randomly, or skip a gear entirely (e.g., going from 1st to 3rd).
- Fails When Hot: Some owners of vehicles with the 5L40-E transmission report a specific issue where the car drives fine when cold, but loses the ability to engage gears once it reaches operating temperature.
- Check Engine Light: The computer will often detect a fault in the solenoid circuit and trigger a Check Engine Light. You will likely find a transmission-related code (usually in the P07xx range) when scanned.
Choosing the Right Aftermarket Solenoid
For a part that requires significant labor to access, choosing a quality replacement is important. You don't want to do the job twice. While OEM is always an option, quality aftermarket brands offer a reliable alternative at a better price.
Standard Ignition (Standard Motor Products): This is a well-known aftermarket brand that has been around for decades. They are generally considered a trusted source for electronic parts by professional mechanics. While some of their production may be outsourced today, they maintain a reputation for quality that is superior to budget, no-name brands. For your Saturn Sky, a Standard Ignition solenoid is a dependable choice that balances cost and reliability.
Estimated Replacement Costs
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket (Standard Ignition, etc.) | $42 - $100 |
| New OEM (ACDelco) | $90 - $150 |
| Shop Labor | $200 - $450 |
A Note on VVT Solenoids
Do not confuse the transmission control solenoid with the Variable Valve Timing (VVT) solenoid. The Saturn Sky is also known for VVT solenoid failure, which causes a rough idle and codes like P0010 or P0011. 🎬 Watch: How to replace the engine's VVT solenoid actuators Those solenoids are located on top of the engine and are very easy to replace. The transmission solenoids are inside the transmission and are a much more involved job.
Frequently Asked Questions (FAQ)
Is there a recall for the Saturn Sky transmission solenoid?
No. While there have been several recalls for the 2007-2010 Saturn Sky, none are related to the transmission control solenoids. Recalls were issued for issues like the passenger airbag sensor, ignition lock cylinder, and a rear axle seal leak.
Can I replace a transmission solenoid myself?
This job is best for experienced DIY mechanics. It requires safely lifting the vehicle, draining the transmission fluid, removing the transmission pan, and then removing the valve body 🎬 Watch this walkthrough of a 5L40E valve body replacement or solenoid pack. It is much more complex than a simple bolt-on part and can be messy. If you are not comfortable working inside a transmission, it is best to leave this repair to a professional shop.
What happens if I keep driving with a bad solenoid?
Continuing to drive can cause more damage. Harsh shifting puts extra stress on internal transmission components like clutches and gears. Being stuck in the wrong gear can cause the engine and transmission to overheat, leading to a much more expensive repair.
Should I replace all the solenoids at once?
Since the labor to access the solenoids is the most expensive part of the job, many mechanics recommend replacing all the shift solenoids as a set. If one has failed due to age and heat, the others are likely near the end of their service life as well. This is a good preventative measure to avoid having to open the transmission again in the near future.
Helpful Videos
Technical Specifications
OEM Part Numbers: 24227792 24206477 24212690 10478146 96041868
Fits the 5-speed 5L40-E automatic transmission used in 2007-2010 Saturn Sky models.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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