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08-09-2011, 07:02 PM | #1 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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Any ideas on how to get this thing off? Both a driver and ring spanner slip. (Haven't tried a normal spanner - that would be worse right?) I've sprayed some penetrating lube on it and will try again tomorrow when the exhaust is stone cold (it was still lukewarm) but I'm worried the damage is already done. Guess I need something that can grab the flat parts, rather than the corners... Funny thing is that it was hard to do up properly (tight) when I replaced my welch plugs a few weeks ago, because it's in quite a fiddly location, so what's made it seize up since? Thanks for any tips. |
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08-09-2011, 07:08 PM | #2 | ||
FF.Com.Au Hardcore
Join Date: Jul 2011
Location: Serpentine W.A.
Posts: 1,639
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Try a single hex socket , you may need to hammer it on as you have burred the nut but it should get it off for you.
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08-09-2011, 07:17 PM | #3 | ||
Miami Pilot
Join Date: Jan 2005
Location: ACT
Posts: 21,703
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Or go and buy a set or Irwin Tools rounded nut thingos - bunnings sell them in a set to suit most sized nuts.
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08-09-2011, 07:32 PM | #4 | |||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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Quote:
I have no idea where to find replacement nuts... buy them from Ford? I was at Bayford only a few hours ago. |
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08-09-2011, 08:04 PM | #5 | ||
FF.Com.Au Hardcore
Join Date: Jul 2011
Location: Serpentine W.A.
Posts: 1,639
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once you have the old one off take it to a bolt shop -coventry fastners etc or your local car parts place
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XC GS OLD SCHOOL MUSCLE Audi A4 S-line quttro Xc falcon Previous fords- xc falcon 500 ,250 x flow 3 speed xc gs worked 250 x flow 4 speed xa Fairmont 302 auto wagon xb falcon 250 log auto 4 door xb falcon 200 log auto ute xc gs project - had to sell :-( xc gs 302 4 speed 4 door xc gs 351 auto 4 door zf fairlane 302 auto zk fairlane 250 x flow carb auto zl fairlane 250 x flow EFI auto xg ute , BA falcon dedicated gas xd, xf x 3 ,ea,eb,ef,au x 3,telstar tx5 |
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08-09-2011, 11:16 PM | #6 | ||
rexnet
Join Date: Feb 2010
Location: Adelaide, South Australia
Posts: 3,562
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super crap. and make sure you get hightensile ones. and you wont have the issue again
you could just angle grind it off? |
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08-09-2011, 11:27 PM | #7 | ||
Bugger!
Join Date: Jul 2011
Location: Albany, WA
Posts: 3,307
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Got room for vice grips?
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Whoops, there goes another factory setup! Chop and change - butchering cars since 1990 |
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09-09-2011, 08:14 AM | #8 | ||
Regular Member
Join Date: Aug 2007
Posts: 108
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hammer a socket on over it, thats your best bet and will always work, the hardest part about that method sometimes is actually having room to be able to do that..
done it many times.. itll work like a charm and that nut isnt even that bad |
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09-09-2011, 08:41 AM | #9 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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I got a "true" hex socket over it but it just strips the socket.
I looked at the socket and I can see the edges of the hexagon are slightly rounded rather than perfectly straight, presumably to make it easier to get on and off. Guess I need to find a better quality one. Getting pliers or vice grips in there won't be easy, it's pretty cramped. And it just started raining! A normal open ended spanner won't work right, since it won't be able to lock over the nut on all sides? I still don't understand why it's seized when I only did it up a couple of weeks ago... Waiting once more for my wife to get home so I can borrow her car... |
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09-09-2011, 08:47 AM | #10 | ||
T3 TE50 Blueprint
Join Date: Apr 2005
Posts: 934
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Make sure you use "Loctite Anti-seize" paste on the threads when it goes back together. Always lubricate threads on assembly of parts. And with areas with such high temps, you need this stuff.
-Craig |
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09-09-2011, 09:09 AM | #11 | |||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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Quote:
.... Back to the original question... would a flare wrench maybe be something to try? Looks like they're similar to an open end wrench, but have a hex shape and a better fit (hard contact against 5 sides). A "hex" spanner (completely closed, 6 sides) would be ideal but I don't know if those exist? This was supposed to be a quick job: remove the manifold, replace the middle gasket, apply some gasket cement (exhaust temp rated) to faces and flange, replace the O2 sensor while it's out, reinstall the manifold. |
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09-09-2011, 09:18 AM | #12 | ||
Banned
Join Date: Aug 2011
Posts: 756
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heat it up with an oxy then undo it.failing that soak it with inox or wd-40 overnight , or get a cheapo socket and put it half over the nut and tack weld it on. i have done this before and works a treat.
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09-09-2011, 09:48 AM | #13 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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GOT IT! This time I really whacked the driver on, added an extra extension, and pushed hard upwards as I turned. It's amazing what a bit of a break to have a rant on here does.
Now it's off you can see that the damage is mainly to the upper part of the nut, so I probably just needed to get the driver on properly, and keep it on. There is one slight problem... the nuts are still stuck fast, and last time I disconnected the flange just the nuts came off, not the whole bolt too. I guess this arrangement is so there's some room for adjustment rather than the bolt just stopping at a specific point. Does anyone know what these double ended bolts are called? I don't think I'm going to be able to get the nuts off without damaging them, so it's probably better just to replace everything. |
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09-09-2011, 10:31 AM | #14 | ||
FF.Com.Au Hardcore
Join Date: Jul 2006
Location: South Australia
Posts: 2,149
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they would be "studs"
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09-09-2011, 01:14 PM | #15 | |||
FF.Com.Au Hardcore
Join Date: Jul 2010
Posts: 858
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Quote:
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09-09-2011, 01:31 PM | #16 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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or carefully put a slot on each side of the nut with a dremel and try unscrewing it again, a couple of new nuts your away.
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09-09-2011, 01:32 PM | #17 | ||
rexnet
Join Date: Feb 2010
Location: Adelaide, South Australia
Posts: 3,562
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just buy new HT bolts and nuts?
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09-09-2011, 02:04 PM | #18 | |||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 588
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Quote:
Also got some anti-seize spray. |
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09-09-2011, 02:09 PM | #19 | |||
rexnet
Join Date: Feb 2010
Location: Adelaide, South Australia
Posts: 3,562
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Quote:
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09-09-2011, 08:48 PM | #20 | ||
FF.Com.Au Hardcore
Join Date: Feb 2008
Location: Geelong, Victoria
Posts: 4,446
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Who's saying heat them up with an oxy??? They're on the bloody exhaust manifold. Start the engine, get em hot. Works well on O2 sensor too.
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