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Need some advice, spark plug broke off in head
Not my engine but a friends, The plug broke off flush with the head when trying to remove it. I was able to pullout the cremic/electrode center so whats left is the threaded part of the plug. I soaked the hell of it and let it sit for most of the day. Using an #5 easy out, I managed to snap off a 3/8 extention after using a 4' cheater bar. That sucker didn't even budge. I soaked it again with liquid wrench and I'm planning on leaving it sit over night and try it again in the morning. What I'm afraid of is breaking off the easy out in whats left of the plug.
Anbody ever had sucess with what I attempting to do? Any tips? I won't be home till very late tonight, I'll check the BBS when I get back home. Thanks!
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John Adams 1980 ROW 911SC |
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05-24-2003, 02:34 PM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,977
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John,
Try tightening it just a bit then loosening it with an easy out. Also would try heating the surrounding area around the spark plug area, but not the plug itself. You do not want to break the easy out... its not a good day if that happens. Joe
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2021 Subaru Legacy, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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05-24-2003, 02:51 PM
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Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 38,072
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Yes, you could tighten, but not with an easy out. You need a reverse easy out to go back and forth on the threads. Such an animal is made, however I have not seen it at the normal FLAPS.
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05-24-2003, 03:00 PM
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GFCC
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
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Try something other than Liquid Wrench. Zep makes a good penetrent (sp?). Zep is sold at Home Depot.
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Jeff 1976 911 Coupe w/ Euro 3.0 - Sold 1987 Carrera Coupe - Sold 1999 Carrera Cabriolet - Current |
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05-24-2003, 07:37 PM
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Thanks for the replies, I'll report back.
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John Adams 1980 ROW 911SC |
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05-24-2003, 09:12 PM
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GAFB
Join Date: Dec 1999
Location: Raleigh, NC, USA
Posts: 7,842
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Lately I have been very impressed with results that can be obtained with heat cycling with a propane torch. Heat cycle the whole mess a few times to help break up any corrosion. Then heat it one more time but heat the head, not the plug, and try turning the easy out.
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Several BMWs |
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05-24-2003, 11:09 PM
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Join Date: Mar 2000
Location: Lacey, WA. USA
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If it's an aluminum head, then propane will have a hard time getting it hot. Get that easy out out of there. The only kind I would use would be one of those blunt, more square types. The kind without the cutting flutes.
Perhaps you can use a dowel or something. Get it real hot if you can.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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05-24-2003, 11:59 PM
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you need the kind of heat that only comes from a welding torch , I don't thing the blow torch will reach the temperatures you need .
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05-25-2003, 04:30 AM
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1980 Porsche ROW 911SC 3.0L
1978 Porsche 911SC Targa 3.0ltr
