GMC Terrain Ignition Coil Replacement Costs

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Ignition Coil Replacement Service

How much does a Ignition Coil Replacement cost?

On average, the cost for a GMC Terrain Ignition Coil Replacement is $303 with $163 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2014 GMC TerrainL4-2.4L	Service typeIgnition Coil Replacement	Estimate$480.60	Shop/Dealer Price$565.60 - $812.50
2011 GMC TerrainV6-3.0L	Service typeIgnition Coil Replacement	Estimate$1799.12	Shop/Dealer Price$2110.24 - $3027.12
2014 GMC TerrainV6-3.6L	Service typeIgnition Coil Replacement	Estimate$1796.70	Shop/Dealer Price$2107.32 - $3022.45
2010 GMC TerrainL4-2.4L	Service typeIgnition Coil Replacement	Estimate$471.59	Shop/Dealer Price$554.85 - $800.44
2011 GMC TerrainL4-2.4L	Service typeIgnition Coil Replacement	Estimate$990.63	Shop/Dealer Price$1205.12 - $1841.10
2013 GMC TerrainV6-3.6L	Service typeIgnition Coil Replacement	Estimate$1796.70	Shop/Dealer Price$2107.88 - $3023.43
2017 GMC TerrainL4-2.4L	Service typeIgnition Coil Replacement	Estimate$471.59	Shop/Dealer Price$554.86 - $800.47
2013 GMC TerrainL4-2.4L	Service typeIgnition Coil Replacement	Estimate$471.59	Shop/Dealer Price$554.85 - $800.44

Show example GMC Terrain Ignition Coil Replacement prices

What is an ignition coil and how does it work?

An ignition coil transforms ignition voltage (12 volts) to the very high voltage pulses (20,000 volts or more) that fire the spark plugs. The number of ignition coils varies depending on car model and year of production. Older cars will have one coil covering all engine cylinders while newer cars may have a coil-on-plug type arrangement — that is every cylinder will have its own dedicated ignition coil.

Ignition Coils

When to consider replacing an ignition coil:

Hard starting or no start. Ignition coils are subject to heat damage and electrical overload, both of which can cause partial or total failure. If the coil is faulty, you may have difficulty starting your car or it may not start at all.
Misfiring, loss of power, poor acceleration. Once the car is running, a bad ignition coil can cause poor operation of the engine. Should you have misfiring or loss of power, faulty ignition coils would be among the list of causes a mechanic would investigate. The Check Engine Light will often come on with a trouble code(s) indicating which cylinders are involved.

How do mechanics replace the ignition coil?

The ignition is checked to assure it is in the “off” position.
For single coils that supply all cylinders, the coil is disconnected from either a bracket located in the engine compartment or, in some cases, is removed from within the distributor. The replacement coil is secured and all electrical connections reattached. If the distributor was removed for any reason, the timing is adjusted as required.
For individual coil-on-plug applications, the coil is detached from the top of the individual spark plug and replaced.
Once the coil is securely in place, all electrical connections are reattached, and timing adjusted as needed, the car is road tested to ensure normal operation.

Is it safe to drive with an ignition coil problem?

Yes. A malfunctioning ignition coil will cause loss of power and lower fuel efficiency but that will not present an immediate safety issue. If the coil malfunction is causing misfiring, this will allow unburned fuel to enter and permanently damage the catalytic converter from overheating.

When replacing an ignition coil keep in mind:

Ignition coil failure can be caused by faulty spark plugs or wires. The mechanic will inspect and may recommend replacement of those components.
In a coil-on-plug ignition system, if only one coil fails, you need only replace the faulty coil. Remaining functioning coils can be left in place.
In systems with the coil located in the distributor, it may be more cost-effective to replace the entire distributor rather than remove and replace just the coil.

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Mario

10 years of experience

5 reviews

Mario

10 years of experience

by John Romano

Terrain 2018 - Oil Change - Boynton Beach, FL

Excellent job by your mechanic Mario Very nice young man explained everything he was going to do I will definitely use your service again

Francisco

10 years of experience

45 reviews

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Francisco

10 years of experience

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by Juan Antonio Zepeda

Terrain 2015 - Spark Plugs - Round Rock, TX

Francisco was great was on time and very professional will call on him again on future car maintenance

Joshua

6 years of experience

35 reviews

Joshua

6 years of experience

by Chrissy Taylor

Terrain 2013 - Oil Change - Corinth, TX

Joshua was on time, professional and did an excellent job!

William

14 years of experience

95 reviews

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William

14 years of experience

Request William

by Josephine McMullin

Terrain 2015 - Electric Problems - Denver, CO

William was on time, friendly, honest, and knowledgeable. I plan to book him as my mechanic in the future.

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