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Old 03-08-2009, 12:47 PM
Join Date: Jul 2007
Location: Detroit, MI
Posts: 182
Default Crankshaft pulley bolt again

1999 Accord EX, with 2.3l VTEC, trying to remove the crankshaft pulley. Took it to Honda shop to loosen the pulley bolt, they refused to tighten below 250nm for safety reasons. However they losened and retorqued to spec, they said.

I put a 650lb-ft torque wrench to it, the air up to 120psi, it's rounding the bolt head but no budge. Have the hex tool to keep pulley from moving. Tried 19mm socket with 18" breaker bar, but I'm reading people using 3-4' pipes - so I don't stand much chance with my breaker bar.

My question is, is the bolt losening counterclockwise?? I remember reading that somewhere in this forum, don't seem to find that post.

Please help.
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'12 Accord SE 2.3L VTEC - even lower miles
'05 Volvo S60 T5 - low miles
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Old 03-08-2009, 06:33 PM
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Super Moderator : And A Texan
Join Date: Feb 2007
Location: Katy, TX
Posts: 8,708

Yes, bolt loosens CCW. It is a real challenge. I've had luck w/ a good breaker bar and 3-4' cheater pipe, and a good air impact (Ingersol Rand rated about 600 ft-lbs).

It can take quite a bit of hammering w/ air impact to break. Don't use any extensions w/ air impact as this reduces the peak torque. Air impact should not round the head of bolt if you're using a 19mm impact hex socket. Don't use a 12-pt socket for sure.

Some have had luck w/ heating the bolt w/ propane or acetylene torch.

good luck
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2003 Acura MDX
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Old 03-09-2009, 06:45 AM
Join Date: Jul 2007
Location: Detroit, MI
Posts: 182

Thank you Texas, appreciate the info.
'12 Accord SE 2.3L VTEC - even lower miles
'05 Volvo S60 T5 - low miles
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Old 03-09-2009, 12:13 PM
Been Around A Long Time Member
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Join Date: Aug 2007
Location: Wayne, NJ
Posts: 6,213

X2 on the Ingersol Rand 600 ft.lb. double hammer with integrated silencer impact .... mine took 5 seconds.
2006 Scion TC
2000 SE sedan
2006 Shadow Spirit 750
2000 EX-V6 (RIP 3G)
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Old 03-09-2009, 12:13 PM

23, 23l, 99, accord, acetylene, bolt, crankcase, crankshaft, cranshaft, honda, pulley, pully, thread, torch, vtec

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