How do you change the spark plugs on a Mustang?
Start with pulling the bolt holding the coil down. Then push the red tab up and pull the coil electrical connector off. My first coil left the boot inside stuck on the plug. I tore it up trying to get it off. This was a $3 part at the ford dealer. Get your 5/8 plug puller out and pull them gently.
What’s the best way to replace a spark plug?
Use spark plug socket to install new plug. Replace the old ignition wire with the new one of the same length, and thread it through the same path as the old one, snapping in any connectors that you removed earlier. Use some dielectric lubricant on the inside of the spark plug boot to ensure a good connection and easy removal later. Figure 5.
What kind of tool do I need to gap spark plugs?
Take a 5/8” spark plug socket and socket wrench or in this case an open end wrench. Loosen and remove plugs one, two, three and four. Take your new spark plugs and gap tool and gap the plugs to either factory specifications of fifty-four thousandths or the recommended gap for your application.
How long do spark plugs last on a Ford Mustang?
This article applies to the Ford Mustang V6 (2005-2014). Standard copper plugs can last anywhere from 10,000 to 20,000 miles. A more expensive iridium or platinum plug can last 60,000 miles or more, with a few boasting a lifespan of over 120,000 miles.
How often should spark plugs be changed on a 1999 Mustang?
My 1999 Mustang GT was bought with 118,000 miles on it. Spark plugs should be changed every 60,000 miles, so it was just about time. Fords of this vintage get a bad rap as far as spark plugs go, because the 05+ Mustangs had a terrible two-piece plug design that could break apart, leaving chunks of the spark plug in the cylinder.
Use spark plug socket to install new plug. Replace the old ignition wire with the new one of the same length, and thread it through the same path as the old one, snapping in any connectors that you removed earlier. Use some dielectric lubricant on the inside of the spark plug boot to ensure a good connection and easy removal later. Figure 5.
Where are the spark plugs located on a Mustang?
These Mustangs have coil-on-plugs. Where older designs will have a coil pack with plug wires, most modern cars have a coil sitting directly on top of the plug to fire it. Each coil-on-plug must be removed to access the spark plug it covers. Fortunately, the fuel rail and injectors do not have to come out to do this.
What do you need to know about spark plugs?
The spark plug is a seemingly simple device, although it plays a critical role in internal combustion engines. There are three key ingredients an internal combustion engine requires to operate; air, fuel, and spark. This informative video covers the basic procedure needed to change spark clubs in your 1979-1995 pushrod equipped, 5.0L Mustang.