2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Exhaust Manifold Stud Broke In Block: How Do I Remove It?

Thread Tools
 
Search this Thread
 
Old Jun 4, 2007 | 09:20 PM
  #1  
dwb87's Avatar
Thread Starter
This is my social media.
Tenured Member 15 Years
iTrader: (22)
 
Joined: Jan 2006
Posts: 2,744
Likes: 0
From: WA
Exhaust Manifold Stud Broke In Block: How Do I Remove It?

This sucks. I tightened one of the nuts down too tight on my exhaust manifold and the stud broke of in the front rotor housing (front housing, lower stud) I was just wondering how I could possibly get this out?
Reply
Old Jun 4, 2007 | 09:26 PM
  #2  
twistedriver's Avatar
Finally I have LSD
Tenured Member 10 Years
 
Joined: Jul 2003
Posts: 528
Likes: 0
From: Los Angeles
Maybe try some easy out? If not you can to go a good exhast shop they can maybe weld a bolt to it and take it out. I think easyout or counter thread bits only works sometimes and they can break in the stud to make problem worst.
Reply
Old Jun 4, 2007 | 09:35 PM
  #3  
Spectator's Avatar
Rotary Enthusiast
Tenured Member 10 Years
iTrader: (1)
 
Joined: Aug 2005
Posts: 1,315
Likes: 0
From: Canada
How much of the stud is still sticking out?

Because what you can do is use a grinder and grind off a samll part on each side so you have a good pull with vise-grips. Heat the stud with a torch at the base so the casting expands and unscrew the stud with vise-grips.
Reply
Old Jun 4, 2007 | 09:50 PM
  #4  
NJGreenBudd's Avatar
rx-for-my-7
Tenured Member 15 Years
iTrader: (1)
 
Joined: Jul 2004
Posts: 2,207
Likes: 15
From: New Jersey
that stsinks, hope you get it fixed soon, let us know what you did to get it out
Reply
Old Jun 4, 2007 | 10:15 PM
  #5  
Soma's Avatar
I knw wht u did last sumr
Tenured Member 05 Years
 
Joined: May 2006
Posts: 356
Likes: 0
From: AZ
That sux bro, I feel for you. The same thing happened to me when I was taking mine off to install the header. Somehow the nut must have gotten misthreaded and I ended up braking off the tip of the stud. Fortunately I could back the stud out enough to get the nut rethreaded for installation.
I like twistedrivers idea but unfortuately I think getting in that tight of a spot to weld might be near impossible... hmm..
If there is enough stud to get a grip on go buy a stud puller that hooks up to your socket wrench. If worse comes to worse you'll have to drill and retap it, that would envolve a lot of work though. Best of Luck!
Reply
Old Jun 4, 2007 | 10:30 PM
  #6  
helghast7's Avatar
F yo couch!
Tenured Member 05 Years
iTrader: (6)
 
Joined: Feb 2007
Posts: 2,321
Likes: 0
From: Belleville, NJ
drill it out, or punch a tap then get some gizmo to pull it out
Reply
Old Jun 4, 2007 | 10:35 PM
  #7  
TitaniumTT's Avatar
Banned. I got OWNED!!!
 
Joined: Mar 2006
Posts: 1,970
Likes: 1
From: Connecticut
those offset stud removers SUCK, don't waste your money.

If there is alot of neck left on the stud you can try to weld on a nut and back if off. Wait till the steel cools after welding though and if anything, slightly heat the AL

If there is little to no neck left, you can try to weld on a piece of flat stock to give something to put some grip to.

If there is even less neck than that on take a cut-off wheel and put a X into it and try an impact driver. Just make sure you get the X dead center becuase if that don't work, out comes the drill, the easy out *shudders* than the tap, maybe the drill again and a Heli-Coil
Reply
Old Jun 4, 2007 | 10:39 PM
  #8  
altron32's Avatar
Full Member
Tenured Member 10 Years
 
Joined: Nov 2005
Posts: 58
Likes: 0
From: monroe, Wa
oh my god! i had the same thing just happen to me on friday night when i installed my RB header. but mine was the top front one. first it broke off at the nut, so i put some penatrint on it and used a stud puller after the manifold was off and it ended up snapping off at the housing. i have no clue how to get the dam thing out now! i have a vary small exhaust leak when its cold. so im not to worried.
Reply
Old Jun 4, 2007 | 10:51 PM
  #9  
SirCygnus's Avatar
whats going on?
Tenured Member 20 Years
iTrader: (1)
 
Joined: Mar 2004
Posts: 4,930
Likes: 8
From: atlanta ga
cut a notch in it, and use a rotatry impact thats hammer driven with a flat screwdriver head.
Reply
Old Jun 4, 2007 | 11:21 PM
  #10  
dwb87's Avatar
Thread Starter
This is my social media.
Tenured Member 15 Years
iTrader: (22)
 
Joined: Jan 2006
Posts: 2,744
Likes: 0
From: WA
Hmm... Yeah, there is no "neck" left to grip. I will try a few different things while my turbo is off. Thank you for all of your input~
Reply
Old Jun 5, 2007 | 06:57 AM
  #11  
Spectator's Avatar
Rotary Enthusiast
Tenured Member 10 Years
iTrader: (1)
 
Joined: Aug 2005
Posts: 1,315
Likes: 0
From: Canada
If there is no neck left, just drill it.
Reply
Old Jun 5, 2007 | 11:40 AM
  #12  
Risky Devil's Avatar
U.S.A
Tenured Member 10 Years
iTrader: (1)
 
Joined: Sep 2004
Posts: 1,166
Likes: 1
From: il
Same thing happened to me with one of the stock coolant lines for the turbo.
The stud on the block snapped and there was about 5cm of stud left. I couldn't
fit a drill to extract it out, So all I did was reverse the nut and threaded to what was
left on the stud and started turning and the stud came out!

But if theres no stud left, just drill it out. Use a good E-Z out and be careful
Reply
Old Jun 7, 2007 | 09:08 AM
  #13  
NJGreenBudd's Avatar
rx-for-my-7
Tenured Member 15 Years
iTrader: (1)
 
Joined: Jul 2004
Posts: 2,207
Likes: 15
From: New Jersey
any luck??
Reply
Old Jul 1, 2007 | 10:25 PM
  #14  
rs1tc's Avatar
Full Member
Tenured Member 10 Years
 
Joined: Sep 2006
Posts: 95
Likes: 0
From: US
Hey fellas this just happened to me. There is about 2 inches of stud sticking out I just cant seem to get it to turn with anything. I welded a nut on it but I dont think I let it cool long enough and it just broke back off. Any other ideas?
Reply
Old Jul 2, 2007 | 08:18 AM
  #15  
NJGreenBudd's Avatar
rx-for-my-7
Tenured Member 15 Years
iTrader: (1)
 
Joined: Jul 2004
Posts: 2,207
Likes: 15
From: New Jersey
maybe let it cool longer if that was your problem.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Kyo
2nd Generation Specific (1986-1992)
6
Apr 13, 2019 09:24 AM
C. Ludwig
Single Turbo RX-7's
49
Jan 30, 2019 06:31 AM
Engine stand ready
New Member RX-7 Technical
3
Aug 14, 2015 10:26 PM




All times are GMT -5. The time now is 02:29 AM.