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Sparkplug Socket

Discussion in '308/328' started by gte619n, Sep 5, 2021.

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  1. gte619n

    gte619n Karting
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    Oct 9, 2006
    159
    Atlanta, GA
    Full Name:
    Evan Ruff
    #1 gte619n, Sep 5, 2021
    This is so damn embarrassing, but I cannot find a socket to get the spark plugs out! Could someone recommend something that will work? I have tried the following 13/16 sockets and they are all too big it fit into the cavity:

    Sunex 884507 3/8-Inch Drive 13/16-Inch Extra Deep Spark Plug Socket
    Sunex 2626 1/2-Inch Drive 13/16-Inch Extra Thin Wall Deep Impact Socket
    Performance Tool W32921 Performance Tool 1/2-Inch Impact Drive 13/16-Inch Thin Wall Socket
    Crescent 13/16" Socket
    CRAFTSMAN 13/16" Spark Plug Socket, 3/8-Inch Drive (CMMT43325)
    CRAFTSMAN Deep Impact Socket, SAE, 1/2-Inch Drive, 13/16-Inch (CMMT16062)
    Powerbuilt 641853 3/8" Dr. 6 Pt. Magnetic Swivel Spark Plug Socket, 13/16" x 6" L

    Has anyone tried either this Mercedes 1075810067 Heyco 21mm tool or maybe even one of these other spark plug jobbies (Spark Plug Removal Tool 21mm T-Handle Flexible Socket Wrench)?

    I feel like a REALPRO asking this question!
     
  2. jmaienza

    jmaienza Formula Junior

    Jan 8, 2009
    627
    Massachusetts
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    Joe
    #2 jmaienza, Sep 5, 2021
    Did you try the one in your Ferrari tool kit?



    Sent from my iPhone using FerrariChat
     
  3. gte619n

    gte619n Karting
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    Evan Ruff
    #3 gte619n, Sep 5, 2021
    Sadly, my car does not have a tool kit.
     
  4. Du_Man

    Du_Man Formula Junior
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    Apr 23, 2003
    320
    Dallas, Texas
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    Derek
    #4 Du_Man, Sep 5, 2021
    Last edited: Sep 5, 2021
  5. dino1971

    dino1971 Karting
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    Sep 24, 2013
    156
    Bordeaux, France
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    Dario
    #5 dino1971, Sep 5, 2021
    I found that the one from old 911 works great, really easy to manoeuvre in the front bank. You can pick them up fairly cheaply if you look around:

    Image Unavailable, Please Login
     
  6. kcabpilot

    kcabpilot Formula 3

    Apr 17, 2014
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    Paul
    #6 kcabpilot, Sep 5, 2021
  7. mike996

    mike996 F1 Veteran

    Jun 14, 2008
    6,850
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    Mike 996
    #7 mike996, Sep 6, 2021
    Hmmm...I have a variety of spark plug sockets of various brands and when I need one I just grab whichever one comes to hand. Haven't had one fail to fit properly though I admit I haven't specifically checked each one - never occurred to me that they wouldn't fit! ;) But maybe I've just (by luck) always grabbed the same one that just happens to fit. As they say, luck is better than skill! :)
     
  8. 308 milano

    308 milano F1 Veteran

    Jan 15, 2007
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    Kim
    #8 308 milano, Sep 6, 2021
    85 QV here. 13/16 craftsman socket w/foam insert, a 2 1/2” extension and a swivel joint gets front bank plugs easily replaced on mine. Running NGK BPR7EIX plugs. Are you sure you’re getting the socket down on plug? Seems very odd.
     
  9. gte619n

    gte619n Karting
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    Evan Ruff
    #9 gte619n, Sep 7, 2021
    Oh, I'm talking about not even being able to get it into the head at all!!

    I have been looking for a reason to buy the Hazet piece for months so this is great!

    Thanks guys!

    E
     
    308 milano likes this.
  10. thorn

    thorn F1 Rookie
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    Aug 7, 2012
    3,324
    Tallahassee, FL
    #10 thorn, Sep 7, 2021
    Durabuilt socket from... AutoZone, maybe? Or one of those box parts stores. Works great.
     
  11. AZDoug

    AZDoug Formula 3

    Jun 17, 2009
    1,606
    Along the Verde , AZ
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    Doug
    #11 AZDoug, Sep 7, 2021
    I just use a regular 13/16" socket, not a spark plug socket.
    My 50 year old SK deep 13/16" socket fits fine.

    Spark plug sockets usually have some rubber material inside to grab the plug. I just use piece of fuel line to stick down in the hole and grab the plug after it is loose.
    I also use the hose to manually start the plug so i know that it isn't cross threading.

    Doug
     
    smg2 likes this.
  12. gte619n

    gte619n Karting
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    #12 gte619n, Nov 25, 2021
    Hey guys, just to put a bow on this, I ordered this Motion Pro 21mm Motorcycle Spark Plug socket and it works great:

    https://www.motionpro.com/product/08-0653

    It fits right down in the holes and is JUUUUST the right length so you have all options for extensions and swivels. Hopefully, this helps the next guy who doesn't have the tool kit!
     
  13. POLO35

    POLO35 Formula Junior

    Feb 21, 2005
    782
    Treasure Coast Florida
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    MATT
    #13 POLO35, Nov 26, 2021
    I completely understand your problem. I had the same issue when I bought my 1st 328. Making matters worse you don't even know what size plug that the previous owner has in there! As I recall, I bought an 18 mm, thin wall, BMW spark plug socket from Amazon and that seemed to fit perfectly.
     
  14. yelcab

    yelcab F1 World Champ
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    Nov 29, 2001
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    Mitchell Le
    #14 yelcab, Nov 27, 2021
    I have never had this problem with any 308/328 ...
     
    Glassman and MFlanagan like this.
  15. waymar

    waymar Formula 3

    Sep 2, 2008
    1,354
    Northeast, PA - USA
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    Wayne Martin
    #15 waymar, Nov 27, 2021
    My 1982 308GTSi has a very tight fit around the stock socket. Tried 3 others..... the metal sleeve is very tight on my ‘82..... just saying
     

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