Crank bolt that wont budge!
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Crank bolt that wont budge! - 11/16/2007 12:33:16 PM
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wietgr
Posts: 134
Joined: 7/26/2006
From: Cincinnati, OH
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94 EX 2.2L VTEC - My head gasket was leaking so i went ahead and removed the cylinder head and figured id replace my timing belt as well. I got the special service tool for the crankshaft pulley but the bolt will not budge. I have tried a 1/2 in impact, a 3/4 in impact, 3 ft long breaker which in turn shattered my special service tool. I havent tried heating it yet for fear of weaking the temper of the crankshaft bolt. Is the bolt right or left hand threaded? What is the torque spec on the bolt? Any ideas would be great, my car for now is stranded on the lift till we get this bolt off... Thanks in advance!
-Greg
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RE: Crank bolt that wont budge! - 11/16/2007 12:50:00 PM
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PAhonda
Posts: 1348
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Bolt is normal thread. I used a 19mm 6pt impact socket and a 24'' craftsman breaker bar to get the breaker bar outside of the wheelwell. I set the end of my extension on a jackstand. I used a 24'' breaker bar with a 5ft piece of pipe over it. I stepped on top of the extension and had to turn the crank from about 3 o'clock to around 10 before the bolt came loose. I also had a crankshaft holding tool with a small extension wedged in there to wedge it against the subframe.
I used PB Blaster and torched the bolt for a bit. The torque on that bolt is very high plus there might be locktite in there. I think the torch weakens that stuff.
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1995 Accord EX MT
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RE: Crank bolt that wont budge! - 11/16/2007 1:14:32 PM
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sir_nasty
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you found the hardest bolt on the car to remove! You need a stupid high power impact gun, and even then you need to keep the trigger down and bang away for a good 30-60 seconds. LOTS of threads about this one.
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RE: Crank bolt that wont budge! - 11/16/2007 2:09:05 PM
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00AccordLX5spd
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I think the spec torque is supposed to be around 160 ft lbs. But once it has been on there for 13 years (If you've never changed your t-belt before) I'm sure it will take MUCH more than 160 ft lbs to get it off. Is the car running now? You could drive it to a Honda shop (or a shop with a good impact gun) and have them break it loose (should do it for like $20 or so - I've heard of some not charging at all for it). Then put it back on (not so tight) and ease it home.
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1991 Mustang LX 5.0 Convertible - my daily driver all through college - now sits in my dad''s garage - needs a little TLC
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RE: Crank bolt that wont budge! - 11/16/2007 2:19:13 PM
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sir_nasty
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you're right, it's either 160 or 180 ftlbs... You need an impact gun rated at about 250 ftlbs at a minimum to get that thing off.
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1981 Civic Station Wagon - ROhnda (Really Old Honda)
1981 Honda CB650 Motorcylce - WHEE What More can I say?
2000 Lexus RX 300 - Oooh baby my wife let me drive it once!!
Quote: Life''''s great but it''''s not all beer and skittles
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RE: Crank bolt that wont budge! - 11/16/2007 2:56:39 PM
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sir_nasty
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Tony, what did we decided that crank pulley holder was called?
Special
Holder
In
Tool??
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1981 Civic Station Wagon - ROhnda (Really Old Honda)
1981 Honda CB650 Motorcylce - WHEE What More can I say?
2000 Lexus RX 300 - Oooh baby my wife let me drive it once!!
Quote: Life''''s great but it''''s not all beer and skittles
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RE: Crank bolt that wont budge! - 11/16/2007 2:59:43 PM
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falkore24
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From: Wayne, NJ
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quote:
ORIGINAL: sir_nasty
Tony, what did we decided that crank pulley holder was called?
Special
Holder
In
Tool??
LMAO ...... you're hilareous dude!!!!
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RE: Crank bolt that wont budge! - 11/16/2007 3:07:23 PM
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sir_nasty
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That was Tony1M's idea origonally so I can't claim it, but I think it fits
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1981 Civic Station Wagon - ROhnda (Really Old Honda)
1981 Honda CB650 Motorcylce - WHEE What More can I say?
2000 Lexus RX 300 - Oooh baby my wife let me drive it once!!
Quote: Life''''s great but it''''s not all beer and skittles
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RE: Crank bolt that wont budge! - 11/16/2007 6:18:54 PM
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Tony1M
Posts: 582
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quote:
ORIGINAL: sir_nasty
That was Tony1M's idea origonally so I can't claim it, but I think it fits
No, nasty, I don't think it was my idea. I wish it were, though.
I'd do a search to find the real author, but I'm far too lazy to perform that number of keystrokes without better motivation.
< Message edited by Tony1M -- 11/16/2007 6:19:40 PM >
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Tony
1992 Accord LX, 4AT, 4 dr, no AC, no power anything
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RE: Crank bolt that wont budge! - 11/17/2007 1:33:26 PM
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TexasHonda
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Minor point. Don't use the restraint tool w/ the air impact wrench. This is asking for damage to restraint tool or attached breaker bar, and it's not needed w/ an impact tool. Inertia of crankshaft, engine, etc provides plenty of restraint.
Based on my own experience and others I've read about, I think the breakout torque can reach 800-1000 ft-lbs. This amount of torque is difficult to get from an impact wrench, but the vibration from impact may reduce the required torque. However, I've seen some power air impacts defeated by this bolt, so I don't think you can be sure of success w/ an air or electric impact.
good luck
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RE: Crank bolt that wont budge! - 11/17/2007 2:21:36 PM
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WheelBrokerAng
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From: Canton/Massillon, Ohio 44646
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I think this would be a Job for Super Desert out in Tuscon, Az
Truck the car out to him and Presto..off it will come 
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RE: Crank bolt that wont budge! - 11/17/2007 8:56:57 PM
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white95
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If you have AAA you can get the car towed 5 miles for free. I suggest you have it towed to the nearest garage and have them break it loose. You should be able to get AAA to tow it back as well, but you may need to argue with them about it.
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95 Dodge Dakota SLT 5-speed CC
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RE: Crank bolt that wont budge! - 11/18/2007 3:58:16 PM
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wietgr
Posts: 134
Joined: 7/26/2006
From: Cincinnati, OH
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I work as a tech for a ford dealer and have been working on it in my bay so i got the air just dont have a strong enough gun i guess
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1994 EX 2.2L VTEC 4Dr 142K
http://www.myspace.com/gregwiet
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RE: Crank bolt that wont budge! - 11/18/2007 7:40:02 PM
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Tony1M
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quote:
ORIGINAL: wietgr
I work as a tech for a ford dealer and have been working on it in my bay so i got the air just dont have a strong enough gun i guess
How long did you let your air impact wrench continuously pound away on that bolt? Believe it or not, it can take a few minutes of continuous pounding to loosen it.
As you know, it takes a large compressor to operate a big wrench for that long without losing pressure. If your shop has such a machine, put in your ear plugs and try your 3/4" wrench again. I'd give it at least 5 minutes of continuous pounding before concluding that the wrench is not going to work.
Please let us know what happens.
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Tony
1992 Accord LX, 4AT, 4 dr, no AC, no power anything
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