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Sometimes you just have to bite the bullet and buy an assembly when you only need part of the assembly. I see this every day.
Posts by scottyrocks
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Sometimes an old or rotting muffler or it's securing bolts if they are loose can make the whole car feel like it's vibrating. I'd get under there and check it, just for sh!ts and giggles.
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A misfire can result in unburned fuel to that cylinder, resulting in oil dilution from that cylinder down to the oil in the crankcase. This causes excessive wear to the rest of the engine.
A bad coil doesn't necessarily present as a seat-of-the-pants misfire. Sometimes it's just reduced performance and gas mileage.
A bad coil doesn't necessarily present as a seat-of-the-pants misfire. Sometimes it's just reduced performance and gas mileage.
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28,247 Posts
If you are talking about cleaning the part in the red square, just unscrew it and pull it out. Should be an 18mm socket.
That's the part that makes the spark that ignites the air/fuel mixture. It can be cleaned in a small variety of ways. I've used some fine emery cloth followed by a shot of brake parts cleaner to remove residue. Careful of your eyes. And wear gloves.
Be careful threading the spark plugs back in. Don't cross-thread them. Very bad.
Do it by hand, or with just the socket, and possibly an extension, on them and no handle. If they thread in that way with no resistance they can then be tightened up with the handle. If you don't have a torque wrench, tighten them until they seat, and then about another eighth of a turn. But get a torque wrench.
Did I say to get a torque wrench?
That's the part that makes the spark that ignites the air/fuel mixture. It can be cleaned in a small variety of ways. I've used some fine emery cloth followed by a shot of brake parts cleaner to remove residue. Careful of your eyes. And wear gloves.
Be careful threading the spark plugs back in. Don't cross-thread them. Very bad.
Do it by hand, or with just the socket, and possibly an extension, on them and no handle. If they thread in that way with no resistance they can then be tightened up with the handle. If you don't have a torque wrench, tighten them until they seat, and then about another eighth of a turn. But get a torque wrench.
Did I say to get a torque wrench?
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No, it should definitely not touch anything. A spark jumps across the gap and ignites the air/fuel mixture.
Check the gap while you're at it. Spark plug gapping tools usually have a gauge built in. I don't have the spec handy at the moment.
Check the gap while you're at it. Spark plug gapping tools usually have a gauge built in. I don't have the spec handy at the moment.
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28,247 Posts
Thank you.
Buy a gauge. A ruler won't be nearly as accurate.
There are other types, but I prefer this one.
www.acehardware.com
Buy a gauge. A ruler won't be nearly as accurate.
There are other types, but I prefer this one.
Performance Tool 1 pc Spark Plug Gap Gauge - Ace Hardware
Performance Tool spark plug gappers can set the gap on your spark plugs accurately and consistently. They work on nearly every single electrode automotive plug and are durable enough to be used in backyards or in the pits.Find the SPARK PLUG GAP GAUGE at Ace.
www.acehardware.com
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