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Join Date: Dec 2007
Posts: 198
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Exhaust stud removal how i did it.
Hi guys i broke an exhaust stud taking off my headers. I was terrified at the ramifications of this. But i got it out and heres how i did it if anyone finds themselves in this predicament. This assumes that there is still some stud sticking out of the hole.
1) Spray with Pb Blaster for a few days. 2) Tap on it with a hammer 3) Get yourself some of these bolt/stud removers from O-reilly auto. 4) buy a propane torch 5) Heat the area around the stud with torch ( wear eye protection ) 6) Spray some more pb blaster around it. 7) tap with hammer 8) repeat a few times 9) The last time dont spray pb blaster because i think it will cool the area. 10) Screw on the stud remover with Ratchet. Takes the 8mm. 11) carefully back it out. Mine came out like butter.     Good luck JERRY
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1992 968 2011 Cayenne 2007 997 Turbo 1991 964 Turbo 2005 955 Cayenne |
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02-02-2008, 01:14 PM
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Capitalist and Patriot
Join Date: Sep 2006
Location: Freedomville
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Cool! Thanks for sharing, I fear I will run into the same sooner or later...
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Former Test driver & Production Manager Singer Vehicle Design 2009 Cayenne GTS, '81 911SC RoW Targa (lot's of goodies), '86 535csi, '84 633 csi (turbo charged-sold)  , '68 912 Targa (sold)  , '69 911E (sold) "Dream it, Believe it, Decide it, DO it " |
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02-02-2008, 01:17 PM
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Location: Los Osos, Ca
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You had the magic recipe, heat, impact, and juice.
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02-02-2008, 02:19 PM
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And dont forget the coors light !!!!!!!!!
JERRY
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1992 968 2011 Cayenne 2007 997 Turbo 1991 964 Turbo 2005 955 Cayenne |
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02-02-2008, 02:25 PM
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That is great news! So from the pictures it looks like you used the smallest one in the pack, right?
What did you say was the total time it took from start to finish? Thanks
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Ed Paquette 1983 911SC 1987 944S 1987 944 Manual (Donated to the Nat. Kidney Foundation) 1987 944 Automatic (Recently sold to another Pelican) |
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02-02-2008, 04:59 PM
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After letting it soak for a few days Ed it took me about 8 to ten minutes for a few heat cycles and to get it out. Yes i used the smallest one in the pack i think it was 8mm.
JERRY
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1992 968 2011 Cayenne 2007 997 Turbo 1991 964 Turbo 2005 955 Cayenne |
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02-03-2008, 03:22 AM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
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I have 2 remaining in there, 1 broken below the head, the other with .25 inches protruding after repeated ly welding nuts to it, heating for 10 minutes with mapp gas but still snapping off the studs.##
glad it worked for you, hoping for better luck tomorrow!
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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02-03-2008, 05:02 AM
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Location: Dallas
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Is it required to remove these if not damaged? Mine have some rust on them but all but 2 stayed in the cylinder heads...should I replace all of them regardless?
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Buck '88 Coupe, '87 Cab, '88 535i sold, '19 GLC 300 DD Warren Hall, gone but not forgotten |
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02-03-2008, 09:15 AM
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Hey Buck i heard from a few people best to leave well enough alone. If you do break one off in the head you got some problems, nothing you couldnt overcome but you know...... Mine look tired and rusty as well and a couple even have a slight bow to them from heat i assume. If they all came out as easily as the one i broke i would do all of them. But it would still take a while and be a little risky.
JERRY
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1992 968 2011 Cayenne 2007 997 Turbo 1991 964 Turbo 2005 955 Cayenne |
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02-03-2008, 12:49 PM
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Leave them alone unless they are too short or already damaged.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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02-03-2008, 04:50 PM
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Good to hear it. I only have 2 that need to be replaced then!
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Buck '88 Coupe, '87 Cab, '88 535i sold, '19 GLC 300 DD Warren Hall, gone but not forgotten |
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02-03-2008, 05:08 PM
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What happened to the pictures?
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Mike '82 911SC, SSI, 22/29 tbars, 22F/22R Adj swaybars, Bilstein Sport, Elephant polybronze & monoballs, Cambermeister bar, turbo tierods, Carrera oil cooler, front brake cooling ducts, Sparco Sprint 5 & Recaro SRD PAX seat, Teamtech harness, DAS Sport rollbar. |
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02-25-2008, 05:56 PM
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JohnJL, have you tried the left-handed drill bits and a reversing drill that has the hammer drill feature? I have found that this combination of tools is invaluable. I have been able to remove everything from broken exhaust studs/bolts up to sheared off head bolts. All of these have been below surface level. Just make sure the bits are good quality, and with the hammer drill on low speed, it pretty much zips them out. Be sure to use your favorite spray lube also.
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84' Steelslantnose Cab. 1953 Dodge B-4-B-108" 90,127 miles 1953 Dodge B-4-C-116" 58,146 miles 1954 Dodge C-1-B8-108" 241V8 POLY 1973 Roadrunner 440-SIX-PACK* 1986 F-250 Super Cab-460 V8 tow Newest additions- Matching numbers 1973 340 Road Runner!! 1948 Dodge B-1-F-152" 1-1/2 ton Dump body, 39,690 miles others... |
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02-25-2008, 06:18 PM
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Can you repost the pictures? For some reason it says that the photos have been removed or deleted.
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1987 factory Slantnosed 930 Cabriolet/Guard's red 2002 Midnight Blue 996TT X50 1999 Iris Blue 996 (Dash fire burned and totalled 9/07) |
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02-26-2008, 05:46 PM
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Ok sorry pics are back!!
JERRY
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1992 968 2011 Cayenne 2007 997 Turbo 1991 964 Turbo 2005 955 Cayenne |
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02-28-2008, 07:32 AM
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Yes, I tried left-handed bits, easy outs (snapped 2), soaking, welding nuts, 15 minutes of MAPP gas, Loctite freeze-out spray, swearing at them, etc.
In the end my machinist couldnt get them out until he drilled them in a jig to a width of 7.85MM so that just the threads were left in.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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02-28-2008, 01:43 PM
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1983 Porsche 911SC Targa
Eggplant
