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Posted: 1/6/2020 11:49:55 PM EDT
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?
Link Posted: 1/6/2020 11:50:56 PM EDT
[#1]
yes
Link Posted: 1/6/2020 11:51:08 PM EDT
[#2]
I have used them to hold the plug after I wrench it out so I can remove and replace the plug easily
Link Posted: 1/6/2020 11:51:12 PM EDT
[#3]
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
Fuck if I know, I always pull them out.
Link Posted: 1/6/2020 11:52:04 PM EDT
[#4]
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.
Link Posted: 1/6/2020 11:52:56 PM EDT
[#5]
It holds the plug so if the plug is way down there you can unscrew it and lift it out. Same for installation.
Link Posted: 1/6/2020 11:53:18 PM EDT
[#6]
I always start mine by hand.
Link Posted: 1/6/2020 11:54:31 PM EDT
[#7]
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.
Link Posted: 1/6/2020 11:56:22 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
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.
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I use a quick release extension.  Never had that problem.
Link Posted: 1/7/2020 12:05:21 AM EDT
[#9]
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.
Link Posted: 1/7/2020 12:12:59 AM EDT
[#10]
It also helps to keep it centered so you don't snap the porcelain
Link Posted: 1/7/2020 12:17:22 AM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
That and/or cut an old plug wire and use the plug end on a deep plug.
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I use a 15" length of fuel line. Can also hand thread with it.
Link Posted: 1/7/2020 12:27:17 AM EDT
[#12]
Discussion ForumsJump to Quoted PostQuote History
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
Duct tape it.
Link Posted: 1/7/2020 12:29:10 AM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I use a 15" length of fuel line. Can also hand thread with it.
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Done that. Works great.
Link Posted: 1/7/2020 12:33:18 AM EDT
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
yes
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FPNI.
Link Posted: 1/7/2020 12:34:42 AM EDT
[#15]
Magnetic ones are mo' bettah
Link Posted: 1/7/2020 12:35:08 AM EDT
[#16]
Since you’re asking this, I can tell you are not a professional.
Link Posted: 1/7/2020 12:37:22 AM EDT
[#17]
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.
Link Posted: 1/7/2020 12:42:22 AM EDT
[#18]
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.
Link Posted: 1/7/2020 12:43:27 AM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
yes
View Quote
This.
Link Posted: 1/7/2020 12:44:18 AM EDT
[#20]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Since you’re asking this, I can tell you are not a professional.
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And this.  Fuckin' amateurs....
Link Posted: 1/7/2020 12:46:52 AM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
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.
View Quote
This. It holds the plug square to the socket. So when you're trying to start the new plug in a blind hole it makes it easier.
Link Posted: 1/7/2020 12:52:14 AM EDT
[#22]
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.
Link Posted: 1/7/2020 12:53:00 AM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
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
Use a wrap of electrical tape when using spark plug sockets. Just one quick wrap holding the socket to the extension relieves a lot of headaches
Link Posted: 1/7/2020 12:53:54 AM EDT
[#24]
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.
Link Posted: 1/7/2020 1:07:55 AM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Magnetic ones are mo' bettah
View Quote
Link Posted: 1/7/2020 1:09:26 AM EDT
[#26]
Magnetic spark plug sockets are best spark plug sockets.
Link Posted: 1/7/2020 1:11:16 AM EDT
[#27]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
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.
View Quote
Fucking 10mm
Link Posted: 1/7/2020 1:11:23 AM EDT
[#28]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
It also helps to keep it centered so you don't snap the porcelain
View Quote
Link Posted: 1/7/2020 1:19:07 AM EDT
[#29]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

This. It holds the plug square to the socket. So when you're trying to start the new plug in a blind hole it makes it easier.
View Quote
I can blind feed a bolt better with my off hand...
Link Posted: 1/7/2020 8:44:20 AM EDT
[#30]
Gear wrench makes one with a permanently attached swivel extension that solves all of your problems.
Link Posted: 1/7/2020 8:46:07 AM EDT
[#31]
the c--k ring of the snap on set
Link Posted: 1/7/2020 9:12:52 AM EDT
[#32]
It's to stop the plug from grounding out
Link Posted: 1/7/2020 9:17:17 AM EDT
[#33]
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.
Link Posted: 1/7/2020 10:45:20 AM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I always start mine by hand.
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Unpossible on a 1990 V-6 Toyota SR-5.
Link Posted: 1/7/2020 10:47:35 AM EDT
[#35]
I came in because I like the word "grommet."
Link Posted: 1/7/2020 10:54:47 AM EDT
[#36]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I always start mine by hand.
View Quote
On many engines that is completely impossible now and you need a socket and extension to (hand start them)
Link Posted: 1/7/2020 10:55:54 AM EDT
[#37]
Lucky for me Porsche has a much more complicated yet superior tool for installing and removing spark plugs.

Link Posted: 1/7/2020 10:57:08 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
It also helps to keep it centered so you don't snap the porcelain
View Quote
This
Link Posted: 1/7/2020 10:59:20 AM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
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
Tape the socket to your extension, problem solved
Link Posted: 1/7/2020 11:00:55 AM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I have used them to hold the plug after I wrench it out so I can remove and replace the plug easily
View Quote
This...or, I use a piece of 3/8" tubing to help start or grab a deep plug (Tacoma).
Link Posted: 1/7/2020 11:02:30 AM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
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
Link Posted: 1/7/2020 11:02:34 AM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I always start mine by hand.
View Quote
This is correct.
Link Posted: 1/7/2020 11:11:03 AM EDT
[#43]
You don't need it until you need it.
Link Posted: 1/7/2020 11:11:43 AM EDT
[#44]
both

and I'm assuming you've never done plugs on an OHC motor
Link Posted: 1/7/2020 11:18:22 AM EDT
[#45]
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.
Link Posted: 1/7/2020 11:21:07 AM EDT
[#46]
upper #6 on a twin plug oil cooled 911 with power steering requires all the tricks in the book.
Link Posted: 1/7/2020 11:23:59 AM EDT
[#47]
I absolutely helps. Wipe a little dielectric grease on the grommet so it doesn't pull the socket off the extension.
Link Posted: 1/7/2020 11:39:04 AM EDT
[#48]
Yes and also be able to extract the spark plug from a deep hole after it has been unscrewed.
Link Posted: 1/7/2020 11:48:58 AM EDT
[#49]
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.
Link Posted: 1/7/2020 12:00:34 PM EDT
[#50]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

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.
View Quote
This.
My VH45DE needed a 10"  

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