 manifold lock-bolt, how does it work |
 Jan 15, 2012 - 5:20 AM
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Enthusiast  Joined Apr 19, '08 From Norway Currently Offline Reputation: 0 (0%)  |
There is some kind of a locking bolt that bolts the exhaust on to the header. It looks like a regular 14mm pipe but with a 7mm bolt inside of it. Does anyone know how to loosen this bolt? Do i loosen the 7mm first, or will i just break it then? I cant reach the 14mm with a regular socket wrench because of the 7mm. Do i need a spesial tool?
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Jan 15, 2012 - 5:21 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
Photos?
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Jan 15, 2012 - 8:02 AM
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Enthusiast Joined Apr 19, '08 From Norway Currently Offline Reputation: 0 (0%) |
I was hoping to not use the camera under there, but ok, i will take a pic.
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Jan 15, 2012 - 9:06 AM
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Enthusiast Joined Apr 19, '08 From Norway Currently Offline Reputation: 0 (0%) |
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Jan 15, 2012 - 9:21 AM
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Enthusiast Joined Jan 19, '11 From Paraguay, Winchestertonfieldville Currently Offline Reputation: 1 (100%) |
that looks awful..long tube ratchet maybe?
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Jan 15, 2012 - 10:03 AM
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 Moderator Joined Jun 29, '08 From Denver Currently Offline Reputation: 59 (100%) |
That's not a lock bolt, that's just the exhaust stud. Lube the 14 mm nut up so it'll break free easier and get at it with a deep well socket and it'll come right off, leaving the exhaust stud in place. But be careful, because the nut is soft aluminum and will round off very easily.
-------------------- "Employ your time in improving yourself by other men's writings, so that you shall gain easily what others labored hard for." -Socrates. Even Socrates told us to use the search button!
 2006 Aston Martin V8 Vantage. 1998 Celica GT- BEAMS Swapped. 2022 4Runner TRD Off Road Prenium. 2021 GMC Sierra AT4. |
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Jan 15, 2012 - 11:08 AM
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 Enthusiast Joined Nov 21, '05 From Tacoma, WA Currently Offline Reputation: 7 (100%) |
That nut is not aluminum.
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Jan 15, 2012 - 2:46 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
they're stainless steel, but get softened over time. heat them with a torch and they'll come off way easier.
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Jan 15, 2012 - 3:14 PM
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 Enthusiast Joined May 10, '10 From MA Currently Offline Reputation: 37 (100%) |
get some PB Blaster and soak it, then let it sit for a bit
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Jan 15, 2012 - 6:51 PM
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 Enthusiast Joined May 4, '05 From western MD/NOVA Currently Offline Reputation: 2 (100%) |
sea foam's deep creep ftmfw!
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Jan 15, 2012 - 8:11 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
yeah the studs have a hex head on them just to help put them in place. all you need is a 14MM deep socket . sometime the stud comes off with the nut. when that happens i usually just replace both
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1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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