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Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 150
Reg: 02-2006

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Saturday, February 09, 2008 - 05:47 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I am doing a 100k service on my jzz30 tt soarer. I need to remove the 22mm engine crank nut. I have tried using the stater motor with a breaker bar & a super cheap air impact wrench, but still no luck. I have sprayed it with penetrant and waited 4hrs and still no joy. If anyone has any suggestions that would be great.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 2978
Reg: 03-2006

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Saturday, February 09, 2008 - 07:05 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Use the breaker bar and at least a 1 metre Pipe over it...

When Yavuz did my cam gear, he said they used a 3 foot breaker bar + a 2 metre section of pipe!!!
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 151
Reg: 02-2006

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Saturday, February 09, 2008 - 07:11 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have a 1.5m section of pipe I can use. How do you lock the harmonic balancer in place so you can get a good turn on the nut?
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 2982
Reg: 03-2006

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Saturday, February 09, 2008 - 07:36 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

1 way is to remove the starter motor and install something like a crowbar to help lock it.

Dodgy way ( not recommended but it does work and have seen it done).. Drill some holes in the bottom of the bellhousing big enough to fit a pry bar or screwdriver in. Make sure you allign the holes up with the flywheel. Then you can use something to try and hold the flywheel while you try and crack the bolt.

Otherwise, Use the Pipe you have and try hitting it with a mallet of some sort. Its the Impact that will crack it. ( forgot to mention, Yavuz used a sledgehammer to crack it with that pipe i mentioned above).

I would try the last option before resorting to the other ones mate! Good luck :-)
Dave Rose
TryHard
wa
uzz31 v8

Posts: 262
Reg: 03-2007

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Saturday, February 09, 2008 - 08:53 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

get some angle iron drill 2 holes at one end about 3 inchs apart fit 2 3inch bolts they will fit in the crank pulley the other end rests on the floor ....engine locked ....DR
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 152
Reg: 02-2006

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Saturday, February 09, 2008 - 08:59 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks!

The angle iron sounds like an easy option.
Rainer Fritzsche
TryHard
NSW
vvti manual

Posts: 121
Reg: 10-2005

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Saturday, February 09, 2008 - 09:04 pm, by:  Rainer Fritzsche (Ryner) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I had to heat mine up with the oxy torch before it would crack..... Then a couple of go's on the starter motor with the breaker bar secured and it finally let go. Good luck !
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 2983
Reg: 03-2006

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Saturday, February 09, 2008 - 09:40 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dave rose... I like it :-)
Dave Rose
TryHard
wa
uzz31 v8

Posts: 263
Reg: 03-2007

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Monday, February 11, 2008 - 11:19 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Did it work for you??.....as mine is a v8 and not sure if the damper pulley is the same
Dave Rose
TryHard
wa
uzz31 v8

Posts: 264
Reg: 03-2007

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Monday, February 11, 2008 - 11:24 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

O and thanks Daniel for that
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 153
Reg: 02-2006

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Monday, February 11, 2008 - 11:32 am, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dave, I have picked some angle iron this morning.

Will let you know how it goes.
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 3380
Reg: 10-2005

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Monday, February 11, 2008 - 12:03 pm, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I used a 1.8 meter all up breaker bar on the ground. Worked a treat.
Raymond Bardrick
Newbie
qld
jzz30 tt

Posts: 3
Reg: 06-2007

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Monday, February 11, 2008 - 10:13 pm, by:  Raymond Bardrick (Mondy83) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I used a a broken piece of handle from a 3 foot breaker bar and made a bracket with 2 bolts in it and a half circle to put the socket through.. If i can find it i can take some photo's
Raymond Bardrick
Newbie
qld
jzz30 tt

Posts: 4
Reg: 06-2007

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Monday, February 11, 2008 - 10:44 pm, by:  Raymond Bardrick (Mondy83) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

the bolts fit into a couple of the holes on the crank... then let the rattle gun crack the nut for you..

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the bolts i used got a little bent but it worked a treat.
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 155
Reg: 02-2006

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Tuesday, February 12, 2008 - 08:20 am, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Well I have had no luck with the angle iron.

The angle iron bent and sheered off one of the hex head hi tensile bolts I used. I think its time to call in a mobile mechanic.
Dave Rose
TryHard
wa
uzz31 v8

Posts: 265
Reg: 03-2007

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Tuesday, February 12, 2008 - 10:11 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sorry to hear its not working.. its sometimes the flange that sticks ...DR
Miles Baker
Goo Roo
Vic
66 Mustang GT Convertible, 55 Chevy Bel Air, 69 Firebird 455, 73 Corvette 4sp T-Tops

Posts: 1134
Reg: 08-2005

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Tuesday, February 12, 2008 - 10:34 am, by:  Miles Baker (Milesb) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You have to make something that fits inside the pulley, flush with the bolt holes. Otherwise the bolts are hanging out in the wind and just bend.
David Ormsby
Newbie
North Island
GTTL

Posts: 1
Reg: 02-2008

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Tuesday, February 12, 2008 - 07:04 pm, by:  David Ormsby (Phoenix) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Try removing all the spark plugs then using the power bar/starter motor method. That way all the starter power is used to turn the engine.
This has worked for me on 2 JZ crank bolts that otherwise wouldn't budge with just the starter motor, oh and make sure you use 1/2" drive sockets...
Cameron Laufer
Tinkerer
Queensland
JZZ30 GT TL

Posts: 42
Reg: 12-2007

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Tuesday, February 12, 2008 - 08:25 pm, by:  Cameron Laufer (Ivboost) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

buy or borrow a better rattle gun and use a single hex impact socket, mine worked great, no skinned knuckles, no pipe, no starter motor burn out...
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 158
Reg: 02-2006

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Wednesday, February 13, 2008 - 10:34 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I tried removing the spark plugs and it definitely makes a difference. You can feel that the starter motor has more impact. But nonetheless it did not help.

I popped into my mechanic for some tips on getting this bolt off. He lent me a steel bar with a 10cm bar attached at one end which sits at a 45 degree angle and it has a 1/2 socket on the end. I gave it a belt with a 3lb hammer but no luck. He then lent me a large rattle gun, but still no joy. I think it could be that I only have a 2.5hp compressor @ 80psi. Nonetheless I thought it was quite trusting of him to lend me his tools.

He suggested I bring the car in and he will put some heat on it. Loosen it up and re- tighten it gently and I can be on my way. I have just about got the car back together and it’s off to the mechanic tomorrow. Hopefully there is enough charge left in the battery after 50+ attempts at cracking the nut.

I was wondering if I can get away with leaving the clutch fan off. The drive to the mechanic's is approx 4km?
Cameron Laufer
Tinkerer
Queensland
JZZ30 GT TL

Posts: 44
Reg: 12-2007

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Thursday, February 14, 2008 - 05:56 am, by:  Cameron Laufer (Ivboost) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I would run the fan and shroud. get him to use his compressor with the rattle gun, my compressor runs 125psi which makes a huge difference

Best of luck
Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 159
Reg: 02-2006

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Thursday, February 14, 2008 - 05:44 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

*Update*

The bolt is finally off!

I took the car down to my mechanic. He tried 3 different rattle guns on the thing and no luck. He then borrowed a 3/4 inch rattle gun from North Side Auto Trans. This thing was an absolute animal!

It still took 5-6 goes and she finally spun free.

I can't believe what a drama this has been. I am so glad the bastard is off!
Justin Cook
Goo Roo
QLD
JZZ30 TT

Posts: 1138
Reg: 07-2005

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Thursday, February 14, 2008 - 07:30 pm, by:  Justin Cook (Justin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Nearly had as much fun getting mine off the 2J, except this is out of the car. So wedged in a pipe in the bit where the starter goes. Bought an expensive 3/4 set with a good breaker bar. Put 80cm of pipe on it. Then with Dad helping me balance (plus a hand on the house). 80kg of me bouncing up and down on the pipe. Finally cracked, and I didn't fall off...was a miracle!

Still must have been 100-120kg of pressure in the end...bent the CRAP out of the flex plate! Lucky I have to use my 1J one!
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 3392
Reg: 10-2005

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Friday, February 15, 2008 - 07:48 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

They are torqued to close to 300N/M from the factory - thats about 80kg's at 1 meter - then they thread lock as the years go by which must add quite a bit of extra breaking torque to overcome friction - thats why its so random as to how tough they are to crack.
Braden Murdoch
DieHard
NSW
Cressida 1JZ TT

Posts: 819
Reg: 04-2006

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Tuesday, February 19, 2008 - 02:03 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just use a Powerbar hand impact wrench, and a sledge. Worked like a charm on my 1JZ, we had it off in under 5 minutes. You can buy one for just over $100. Much more powerful than a rattlegun.




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http://ribfeast.no-ip.com/powerbar1.jpg

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Grant Rowan
TryHard
QLD
jzz30 TR44HF

Posts: 160
Reg: 02-2006

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Tuesday, February 19, 2008 - 09:01 pm, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey Braden

We tried the power bar with a sledge hammer.

The only thing that worked was the huge 3/4 rattle gun.
Braden Murdoch
DieHard
NSW
Cressida 1JZ TT

Posts: 825
Reg: 04-2006

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Wednesday, February 20, 2008 - 03:49 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Serious! Never seen that fail. A bit of Wurth Rost-Off helps a bit too. Took us about 5 mins of us whacking away at it.

Grr net is down at home, so those links won't work til I reset the modem tonight.

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