Cadillac Seville Spark Plug Replacement at your home or office.

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Spark Plug Replacement Estimate for Cadillac Seville

Cadillac Seville Spark Plug Replacement costs $98 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$73 to $178
Labor: $70 -$168
Parts: $3 -$10
Average Dealer price
$99 to 216
Average Shop price
$87 to 188
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Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceYourMechanic PriceShop/Dealer Price
1986 Cadillac SevilleV8-4.1LService typeSpark Plug ReplacementYourMechanic Price$75.96Shop/Dealer Price$102.86 - $126.39
1985 Cadillac SevilleV8-5.7L DieselService typeSpark Plug ReplacementYourMechanic Price$86.04Shop/Dealer Price$115.58 - $146.76
1999 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$163.40Shop/Dealer Price$220.95 - $273.34
1990 Cadillac SevilleV8-4.5LService typeSpark Plug ReplacementYourMechanic Price$82.96Shop/Dealer Price$112.49 - $137.99
1988 Cadillac SevilleV8-4.5LService typeSpark Plug ReplacementYourMechanic Price$75.96Shop/Dealer Price$102.88 - $126.42
2000 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$164.68Shop/Dealer Price$222.44 - $275.71
1994 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$152.96Shop/Dealer Price$208.13 - $252.86
1979 Cadillac SevilleV8-5.7LService typeSpark Plug ReplacementYourMechanic Price$86.04Shop/Dealer Price$115.57 - $146.75
Show example Cadillac Seville Spark Plug Replacement prices

Spark Plug Replacement Service & Cost

What are the Spark Plugs all about?

The spark plugs are an important part of the ignition system. When you turn the ignition key (car's key) on, it causes the ignition coil to generate the spark which ignites the air-fuel mixture in the engine cylinders to start the engine. The number of spark plugs in the car is the same as the number of cylinders, although some vehicle manufacturers will use two spark plugs per cylinder.

Over time, the spark plugs wear out and require replacement. When the spark plugs wear out, it is harder for it the air-fuel mixture to ignite, resulting in engine misfires. If one of the spark plugs has failed, the car will still start and run, but it will run poorly. On some vehicles, spark plug replacement may be labor intensive and involve removal of the intake plenum.

Spark plugs-MATROX-1

Keep in mind:

  • When the spark plugs are replaced, it is a good idea to inspect the ignition cables as well.
  • Spark plugs come in numerous ratings, and the correct rating for your vehicle should always be used.

How it's done:

  • Scan the car for codes.
  • Clean all surface areas around the spark plugs.
  • Remove spark plugs.
  • Inspect threads in engine head (where plugs are installed).
  • Perform compression test if needed.
  • Inspect ignition wires.
  • Apply anti-seize to the threads of the spark plugs.
  • Install new spark plugs.
  • If needed replace any gaskets removed.

Our recommendation:

During routine maintenance and checkups, your ignition system should always be inspected. Any time that a component of the ignition system is replaced, it’s a good idea to consider replacing the spark plugs as well. If you don’t preemptively change your spark plugs your engine will let you know by misfiring or running poorly, so schedule an inspection as soon as you notice that your engine is not performing properly.

What common symptoms indicate you may need to replace the Spark Plugs?

  • Check Engine light is on.
  • Engine misfires.
  • Poor fuel economy.
  • Vibration coming from the engine.

How important is this service?

Spark plugs are responsible for igniting the fuel that your engine uses to run. When you turn your key, a small voltage of power is sent to the ignition coil, where it is transformed into high voltage currency. This high voltage currency is sent through the ignition cables to the spark plugs. The spark plugs use the power to create a spark, which ignites the fuel, and allows the engine to function.

When the spark plugs malfunction, this spark won’t be created, and the fuel will not be ignited as it should. Your vehicle has many spark plugs, so depending on how many fail, your engine may either run poorly, or not run at all. Continuing to drive a vehicle with malfunctioning spark plugs can also cause damage to the catalytic converter.

Fast and easy Spark Plug Replacement service at your home or office.

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Meet some of our expert Cadillac mechanics

Real customer reviews from Cadillac owners like you.

429 reviews
Noe
32 years of experience
Noe was great. Arrived early. Very informative & friendly. I trust the quality of his work. Anyone that has the pleasure of having him work on his/her vehicle is fortunate & very lucky.
2003 CADILLAC SEVILLE - CHECK ENGINE LIGHT IS ON INSPECTION
361 reviews
Grzegorz
37 years of experience
I did have a 11:00 appt. and then I had to call because no one was at my location being it was 1:30. The office was very helpful in getting me a mechanic right away to me just having to wait another 5 and half almost 6 hours until the job was completely done. The office did give me a discount and that was great but the real question is will I use them again. I think I just might give a try. Thks again for all the help and the extra money you saved me.
2002 CADILLAC SEVILLE - RADIATOR HOSE REPLACEMENT (UPPER)
272 reviews
Richard
7 years of experience
He get there on time and ready
2000 CADILLAC SEVILLE - OTHER INSPECTIONS
28 reviews
William
21 years of experience
Awesome knowledge and customer service. I will request William from now on.
1992 CADILLAC SEVILLE - OTHER INSPECTIONS
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
1986 Cadillac SevilleV8-4.1LService typeSpark Plug ReplacementYourMechanic Price$75.96Shop/Dealer Price$102.86 - $126.39
1985 Cadillac SevilleV8-5.7L DieselService typeSpark Plug ReplacementYourMechanic Price$86.04Shop/Dealer Price$115.58 - $146.76
1999 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$163.40Shop/Dealer Price$220.95 - $273.34
1990 Cadillac SevilleV8-4.5LService typeSpark Plug ReplacementYourMechanic Price$82.96Shop/Dealer Price$112.49 - $137.99
1988 Cadillac SevilleV8-4.5LService typeSpark Plug ReplacementYourMechanic Price$75.96Shop/Dealer Price$102.88 - $126.42
2000 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$164.68Shop/Dealer Price$222.44 - $275.71
1994 Cadillac SevilleV8-4.6LService typeSpark Plug ReplacementYourMechanic Price$152.96Shop/Dealer Price$208.13 - $252.86
1979 Cadillac SevilleV8-5.7LService typeSpark Plug ReplacementYourMechanic Price$86.04Shop/Dealer Price$115.57 - $146.75
Show example Cadillac Seville Spark Plug Replacement prices

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