User Panel
Posted: 1/6/2020 10:49:55 PM EST
Thirty years of wrenching my own vehicles and I've never used a spark plug socket with the grommets inside. I've just used deep sockets and they've always worked. At times I've had to improvise to remove the spark plug, but again, never a problem. Is the rubber grommet there to hold the plug firm or is it more to protect the porcelain?
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I have used them to hold the plug after I wrench it out so I can remove and replace the plug easily
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Quoted:
Thirty years of wrenching my own vehicles and I've never used a spark plug socket with the grommets inside. I've just used deep sockets and they've always worked. At times I've had to improvise to remove the spark plug, but again, never a problem. Is the rubber grommet there to hold the plug firm or is it more to protect the porcelain? View Quote |
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The last time I used one it held on better to the plug than the socket did onto the extension so the socket kept coming off down in the hole.
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It holds the plug so if the plug is way down there you can unscrew it and lift it out. Same for installation.
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So many newer cars and trucks have f'd up tight engine compartments. Drop anything inside the engine compartment and you'll spend an hour plus trying to dig it out. Magnets, grommets pretty much anything to prevent that is a good thing.
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That plus an extension helps get into and out of tight spots. Add a electrical tape wrapped knuckle and get into and out of even tighter engine bays. Use it on something like the rear bank on a transverse V6. That and/or cut an old plug wire and use the plug end on a deep plug.
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It also helps to keep it centered so you don't snap the porcelain
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Since you’re asking this, I can tell you are not a professional.
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In my car the plugs are down in a hole, I like the rubber inserts because it hold the plug securely in the socket once it is loose and the plug comes out with the socket.
And the reverse holds true when re-installing the plug. |
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But yeah. It’s to hold the plug in the socket. I really don’t understand how anyone can not understand this if they’ve changed spark plugs.
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It's there to protect the porcelain but also aids in holding the plug in when you are trying to screw one into a deep void.
A long socket tends to cock at an angle when tightening and CAN crack the porcelain without it in place. |
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Quoted:
The last time I used one it held on better to the plug than the socket did onto the extension so the socket kept coming off down in the hole. View Quote |
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All if the ones I've ever had, the grommet holds tighter than my extension. This leaves both down the hole after tightening. I loosen with the socket sans grommet and then pull the plug out with a magnet, if required.
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Gear wrench makes one with a permanently attached swivel extension that solves all of your problems.
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Get both.
Break loose the plug with a deep well. Remove with a "gromet" socket. Insert & start threading new plug with "gromet" socket then over tighten with deepwell. |
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both
and I'm assuming you've never done plugs on an OHC motor |
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It is impossible to start spark plugs by hand in both of our current vehicles.
Takes a 4" or 6" extension to get to them. |
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upper #6 on a twin plug oil cooled 911 with power steering requires all the tricks in the book.
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I absolutely helps. Wipe a little dielectric grease on the grommet so it doesn't pull the socket off the extension.
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Yes and also be able to extract the spark plug from a deep hole after it has been unscrewed.
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Grabs the porcelain to help drop it into the threaded hole or extract it.
I only use magnetic sockets now. In other news, most cars don't have carburetors. |
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