Cadillac SRX 2011-2016 Ignition Coil: A Guide to Replacement
Understand the signs of a failing ignition coil and learn how to choose the right replacement for your SRX's V6 engine.
- A flashing check engine light indicates a severe misfire; reduce speed and get it checked to avoid costly catalytic converter damage.
- For reliability, choose OEM-grade brands like ACDelco, Delphi, or NGK.
- Replacing all six coils and spark plugs at once is the recommended practice for a high-mileage SRX to ensure reliability and save on future labor costs.
- The rear three coils are harder to access, requiring the removal of the intake manifold, which makes the job more complex than just the front three.
Signs of a Failing Ignition Coil in Your SRX
When an ignition coil starts to fail on your Cadillac SRX, the symptoms are hard to ignore. Because each cylinder has its own coil, the failure of one can throw off the engine's rhythm. You'll likely notice a rough 🎬 Watch this video to see common signs of coil failure. or shaky feeling when the car is idling, and it may feel jerky or hesitant when you accelerate.
Other common symptoms include:
- Engine Misfires: The engine may sputter, cough, or run unevenly. This can be more noticeable under load, like when going up a hill.
- Reduced Power: Your SRX may feel sluggish and slow to accelerate.
- Worse Fuel Economy: A misfiring cylinder wastes fuel, so you'll find yourself at the gas station more often.
- Trouble Starting: While one bad coil usually won't prevent the engine from starting, multiple failures can make it difficult.
Choosing the Right Aftermarket Ignition Coil
When replacing a coil, you don't have to go back to the dealership. Aftermarket parts offer a wide range of quality and price. For your SRX, brands can be grouped into tiers based on their reputation and relationship with original equipment manufacturers (OEMs).
Tier 1: OEM & OEM-Supplier Brands
These brands are either the original part supplier for GM or are known for equivalent quality. They are a reliable choice for performance and longevity.
- ACDelco: As GM's own parts brand, this is the original equipment. You can't go wrong with ACDelco for a guaranteed fit and performance.
- Delphi: Delphi was a part of GM and is a major OEM supplier. Often, an ACDelco part is a Delphi part in a different box, making Delphi a smart choice that can sometimes be more affordable.
- NGK: A highly respected Japanese brand famous for spark plugs and other ignition components. NGK is known for excellent quality and durability, often exceeding OEM standards.
- Hitachi: Another major Japanese OEM supplier known for high-quality electronic components.
Tier 2: Reputable Aftermarket Brands
These brands have a long history of producing reliable aftermarket parts and are a solid choice for a balance of price and quality.
- Standard Ignition (SMP): A well-known and trusted name in the aftermarket, often engineering parts to fix original design weaknesses. 🎬 Learn how Standard Ignition coils are engineered to outperform OE.
- Walker Products: A long-standing company that produces a wide range of engine management components.
- Spectra: Known for a variety of automotive parts, Spectra offers a reliable mid-range option.
Tier 3: Budget-Friendly Options
These brands offer a lower price point, which can be attractive for immediate repairs. Quality can be more variable, but they provide a functional replacement.
- DriveWire
- Holstein
- Mishimoto
- Motorad
- True Tech
Cost of Replacing Ignition Coils on a 2011-2016 Cadillac SRX
| Part/Service | Estimated Cost |
|---|---|
| Single Aftermarket Ignition Coil | $39 - $94 |
| Set of 6 Aftermarket Ignition Coils | $230 - $560 |
| Single OEM (ACDelco) Ignition Coil | $80 - $110 |
| Shop Labor (All 6 Coils) | $150 - $250 |
Note: Costs are estimates and can vary by location and specific parts chosen. The rear three coils require removing the intake manifold, which increases labor time.
Frequently Asked Questions
Is it hard to replace the ignition coils on a Cadillac SRX?
The difficulty is moderate. The front three coils (Bank 2) are very easy to access and can be changed in minutes. The rear three coils (Bank 1) are under the intake manifold, which must be removed for access. While this is a straightforward process for an experienced DIYer, it adds about an hour of work. 🎬 Follow this step-by-step guide to replace your SRX coils. Tools needed include a socket set, extensions, and a torque wrench.
Should I replace all ignition coils at once?
It is highly recommended. Ignition coils are wear items, and when one fails due to age or mileage, the others are likely to fail soon. Replacing them all at once saves you from repeated repairs and ensures consistent engine performance. It's also cost-effective for labor if you're paying a shop, especially since the intake manifold has to be removed for the rear coils.
Are there any recalls for the 2011-2016 SRX ignition coils?
No, there are no specific recalls for ignition coils on the 2011-2016 Cadillac SRX. There was an ignition-related recall for the key being able to move out of the "run" position, but this applied to the 2004-2006 SRX models, not the 2011-2016 generation. Other recalls for the 2011-2016 SRX involve issues like rear suspension toe links and transmission shift cables.
What are the OBD-II codes for a bad ignition coil?
A general misfire code is P0300 (Random/Multiple Cylinder Misfire). More specific codes will point to the exact cylinder that is misfiring, such as P0301 for cylinder 1, P0302 for cylinder 2, and so on up to P0306 for cylinder 6. This helps you identify which coil has failed if you choose to replace only one.
Helpful Videos
Technical Specifications
OEM Part Numbers: 12632479 12618542 12610626 12590990 UF569 D515C
Coil-on-plug design, 4-pin female connector, typically oval shape.
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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.
- Cadillac SRX:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Signs of a Failing Ignition Coil in Your SRX
- Choosing the Right Aftermarket Ignition Coil
- Tier 1: OEM & OEM-Supplier Brands
- Tier 2: Reputable Aftermarket Brands
- Tier 3: Budget-Friendly Options
- Cost of Replacing Ignition Coils on a 2011-2016 Cadillac SRX
- Frequently Asked Questions
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