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Spark Plug Replacement
Why Change Spark Plugs?
How Car Ignition Systems Work
Cleaning a Car Engine
Tools for Spark Plug Changes
Checking Spark Plug Sizes
Removing Spark Plug Wires
Preparing to Change Spark Plugs
Loosening Spark Plugs
Removing Spark Plugs
Spark Plug Heat Ranges
Spark Plug Electrode Symptoms
Spark Plugs & Oil Leaks
Spark Plugs & Heat Exposure
Spark Plugs & Pistons
Installing New Spark Plugs
Spark Plug Extensions
Tightening Spark Plugs
Replacing Spark Plug Wires
Starting Cars After Changing Spark Plugs
Spark Plug Wire Insulation
Checking Spark Plug Wires for Sparks
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Summary: If a spark plug is the wrong size, it may come in contact with the piston and not function properly. Discover how spark plug sizes can affect a car's pistons with auto repair tips in this free video on car maintenance.
John Clarkson is a jack of all trades and has worked as an electrician and mechanic.read more
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"Hi, I'm John with ExpertVillage.com and we're changing spark plugs. Now we've been over seven or eight different things that you can learn from your engine that are very common, common problems in your engine that you can learn just from looking at your spark plug. Now we talked about if it's too hot what can happen, you need to get the right heat range spark plug. Now what can happen if is also, is if the electrode right here, if it's completely bent down. Now the problem that can happen inside your engine, is the piston can come up and whack your spark plug. Now if you don't have the right size spark plug in there, that's why we check with this. We've got to compare the new one into the old one, and we've checked it. Be mindful that there will be a little more of a gap on the older one because it does wear down after a while. So you want to make sure that this arc isn't too big, because your piston will come up and whack it, causing you engine damage. So these are all things that we can learn from our spark plug, be mindful of that."
eHow Article: Spark Plugs & Pistons
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