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Registered
Join Date: Jul 2010
Posts: 68
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S4 spark plug replace
Have a problem. Can't fit a socket in the spark plug hole...I think it is 13/16 inch socket size but socket won't even go into hole....am I missing something?
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05-12-2012, 06:47 PM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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^^^^^ hopefully not,
open the hatch and retrieve the spark plug tool from the tool tray , then remove the plugs, make sure to blow out the wells with compressed air first, put a rag over the hole so if any oil is present it wont cover the fenders
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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05-12-2012, 08:18 PM
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Registered
Join Date: Jul 2010
Posts: 68
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No tools came with car
Please provide guidance for regular tools as many of the oem tools are no longer there....
I have a 13/16 inch socket but does not go into hole entrance.... |
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05-13-2012, 05:02 AM
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Registered
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Quote:
I forget exactly, but I used a 3/8 drive 4" or 5" extension with a universal joint and plug socket. You may be trying to use the wrong socket size for the plug. Try the socket on one of your new plugs to see what size. The plugs are recessed quite deep in the head. When you install the new plugs, make sure you get them started finger tight so you don't strip the aluminum threads. I would also stick with the stock replacement plugs.
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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05-13-2012, 08:04 AM
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Registered User
Join Date: Mar 2012
Location: Ma
Posts: 21
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Do yourself a favor and get one of these they work great. Its 13/16 and will fit no problem. You must be using a 13/16 deep socket but not a spark plug type socket, the spark plug socket is not as fat as a standard deep socket.
Amazon.com: GearWrench 80547 13/16-Inch x 6-Inch Swivel Spark Plug Socket: Home Improvement
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______________________________________________ Paul 85 Euro 5 speed 89 S4 60k |
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05-13-2012, 06:17 PM
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Registered
Join Date: Jul 2010
Posts: 68
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Spark plugs s4
Thanks...I found the right socket 13/16 inch with extension...I taped them together as I don't want the socket to detach in the tunnel.....I found Bosch wr7dp....I assume is platinum I will replace with Bosch wr7dc....I think gap is .o28 I measured gap from one old spark plug it was .o40
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05-13-2012, 07:21 PM
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Kool
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Just pulled mine, and it had platinums too. Manual says gap at .028-.032 I went with a snug .030... Only one was gapped right, the others were at .40 or larger. Must be how they came out of the box and the PO was not that bright.
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Ron 1978 5sp (#30) project-Wreckscue, 1979 5sp Euro Project 1982 5sp resto project, 1985 Auto S3 1984 Parts car (the fire car) 1987 s4 (parts, or maybe project) (Yes, I now have 4 project Sharks) |
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05-14-2012, 03:13 AM
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A Wrench
Join Date: Jul 2007
Location: DFW
Posts: 326
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This 13/16th set up is all you will ever need for replacing spark plugs on any 928. Get the proper copper plugs and don't worry about anything.
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'88 Supercharged and lots of other fun stuff. |
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05-14-2012, 05:31 PM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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part number at autozone for Bosch plugs is 7900 dont use the platinums it will run better with the silver tips they cost about 1.99 each
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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05-15-2012, 05:23 AM
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TBA
Whitey
Pontoon
