LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Need help removing EGR on exhaust manifold

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Old Apr 8, 2006 | 01:49 PM
  #1  
bringBackCamaro's Avatar
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Need help removing EGR on exhaust manifold

I cannot get this bolt off, its the bolt on the exhaust manifold on the passenger side with only one bolt holding it.

From the top i can get it with a ratchet and some swivel joints, but i do not have any space to turn it

from the bottom, i can easily see it, but a ratchet will not fit, only a 1/2 inch open end wrench will fit, but i cannot get eneugh leverage to break it loose even chaining the wrenches together.

Is it possible that you have to unscrew it the opposite way or something
im turning it lefty loosy, but it is not budging its like its only getting tighter

HELP Please
Old Apr 8, 2006 | 02:22 PM
  #2  
Stoopalini's Avatar
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From: Austin, TX
Re: Need help removing EGR on exhaust manifold

It's not a reverse thread bolt, so left is to loosen. Have you tried any penetrating oil on it? some WD40, ZEP, etc ...?

Thomas.
Old Apr 8, 2006 | 03:23 PM
  #3  
droptop z's Avatar
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From: California
Re: Need help removing EGR on exhaust manifold

If it's getting tighter there is a good possibility that it was cross threaded the last time it was installed, yeah your best bet is to use some penetrating oil. I got mine with a stubby wratchet from underneath the car. Good luck
Old Apr 8, 2006 | 03:55 PM
  #4  
2000GTP's Avatar
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From: Aurora, IL
Re: Need help removing EGR on exhaust manifold

I remember when I did my header install, that was the only thing that gave me problems coming off. I soaked the bolt with PB Blaster several times a day for two days and then it popped right off with a stubby open end wrench.
Old Apr 8, 2006 | 04:09 PM
  #5  
Evil Eric's Avatar
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Re: Need help removing EGR on exhaust manifold

I used a stubby open end wrench from under the car with the y-pipe already taken out.
Old Apr 8, 2006 | 05:05 PM
  #6  
bringBackCamaro's Avatar
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Re: Need help removing EGR on exhaust manifold

THANKS, the penatrating oil worked perfectly

I sprayed, waited an hour, sprayed again, waited 10 mins
and it came right off with a open end wrench

Thank you very much
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