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poombah
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icon8.gif  1JZ GTE Crank Pulley Tue, 12 November 2002 01:54 Go to next message
Ok... how the hell do you get this thing off. Ive never removed one off an Automatic before. You cant lock it in gear or anything so the crank just spins around. I cant secure vicegrips to anything, and ive tried wedging them in somewhere but the blighter still moves.

ive tried jamming stuff in the holes that are inside the pulley (theres 4) but they just hit the plastic cover behind and wont lock into anything.

Suggestions ive been given are:

1) Try a rattle gun (dont have access to one atm)
2) Remove the sump and attach vicegrips to the crank (no way)
3) Construct a frame that braces against the ground and and bolt it into the holes on the pulley (prolly the best idea but effort!)

Im sure people have done this, is there a more obvious way that i have totally missed?

Thanks




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Pete
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gold coast
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 02:36 Go to previous messageGo to next message
Rattle gun works **sometimes**.

I put a big power bar on the bolt head and flicked the starter motor with the bar wedged against the sub frame rail.

Worked a treat!
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mc1j
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 02:36 Go to previous messageGo to next message
hAD VERY MUCH THE SAME PROBLEM A FEW WEEKS AGO, I USED A RATTLE GUN BUT IT DID NOT GET IT OFF MMM, IF A RATTLE GUN WONT GET IT OFF WHAT DO U DO :
I WENT TO THE LOCAL DIESEL MECHANIC AND BORROWED A BLOODY UUGE RATTLE GUN THAT WAS ALMOST IMPOSSIBLE TO LIFT UP,IT JUST WORKED, RUNNING THE 16CFM OUT OF PUFF ABOUT 3 TIMES B4 SUCCESSFUL,WHAT IM TRYING TO GET AT IS THAT IT IS FRIGGIN TIGHT
AND I WISH U ALL THE BEST.
MAYBE THE FRAME U MENTIONED AND A 3MTR BREAKER BAR AND FAT BASTARD OF AUSTIN POWERS.......
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gianttomato
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 02:38 Go to previous messageGo to next message

  1. Get 22 mm socket.
  2. Get breaker bar.
  3. Get 1.5 metre bit of water pipe to extend breaker bar.
  4. Get your biggest, ugliest, hairiest friend to work their magic on the end of that bar.


Job done. Reverse above to replace. Lock up the torque converter with a screwdriver thru the flex plate.
I have heard of someone releasing the whole weight of a boat on to a breaker bar in a vain attempt to undo this bolt. No names Very Happy .

It's on REALLY tight. I haven't got the manual but it's something like 300+ Nm.

If it's in the car and can be turned over, put the breaker bar on such that it hits the ground. Then get in the car and crank it, and the bolt should come undone. This trick is described on the Supraforums.

[Updated on: Tue, 12 November 2002 02:42]

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mc1j
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 02:43 Go to previous messageGo to next message
I would not reccommend hitting the starter with the breaker bar hitting the chassis rail,
1.Paint and panel damage
2.have u ever done this and broken the bolt,then u will have some REAL headaches,happened to me recently on a mitsubishi triton, i tell you it caused more stress than what its worth..
Use the right equipment, Thats how mechanical workshops get cars fixed so quick,They have the right tools to get the job done....
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poombah
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 03:15 Go to previous messageGo to next message
Hmm well im gonna get a rattle gun sorted out this arvo.

I think that and making up a frame to lock the bastard down. I hate to think what some of these dodgey workshops around town would do to get this off..

300Nm! thats insane, thats like 220 foot pounds... heh they obviously dont want it coming off in a hurry Razz

now i know why people say its hard changing the timing belt with the engine in the car.
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Norbie
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 03:16 Go to previous messageGo to next message
I'm planning to change the timing belt on my 2JZ shortly. That 300 Nm figure worries me a bit, getting it off is one thing but how the hell am I meant to tighten it that much??
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Soarer
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 05:06 Go to previous messageGo to next message
300Nm is crazy !

The 1JZ-GTE puts out 361Nm torque at 4400rpm Razz

So in theory, even the engine would have a hard time working against the bolt ?

I'd hate to see myself trying to get one off... my whole 62kg pushing down on a wrench going nowhere hehehe
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Grega
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Re: 1JZ GTE Crank Pulley Tue, 12 November 2002 19:51 Go to previous messageGo to next message
not an easy job.

i've seen a breaker bar lodged and an impact wrench socket jammed on a mitsubishi and the engine "cranked" only briefly (with plugs ect not connected) to remove the crank bolt. note - bloody dangerous - no way in hell i'd recommend it - maybe as an ABSOLUTE last resort?

other way i know of is to heat the bastard up with an oxy till it gets hot and hit it with a rattle gun.

[Updated on: Tue, 12 November 2002 19:52]

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SupraPete
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Re: 1JZ GTE Crank Pulley Sun, 23 March 2003 07:53 Go to previous messageGo to next message
Is this different on a manual??

I need to get mine off, but can't stop the flywheel/gearbox/handbrake.

I've got a big torque wrench, but it just rocks the car forward and back, even with a big hammer.


Plus the other question I want to make sure is which way does it have to come off? anit-clockwise?


I don't have access to a bloody rattlegun, how can I get it off? Can I rent a rattlegun or do I need to tow it to a place that has one?
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gianttomato
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Re: 1JZ GTE Crank Pulley Sun, 23 March 2003 08:07 Go to previous messageGo to next message
To undo turn anti clockwise. Also get a bigger hairier friend. The bolt is torqued to 324 Nm.
I found that jolting it seemed to do the trick.

If you can turn it over, the breaker bar jammed against the ground trick is the go.
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Norbie
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Re: 1JZ GTE Crank Pulley Sun, 23 March 2003 14:02 Go to previous messageGo to next message
Yep, I used that trick recently on my 2JZ. I tried just about everything (eg 3 people leaning on a 5ft breaker bar) and it wouldn't budge, but the starter motor got it off first go! It sounds dodgy but it works well. Smile
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1ndecent
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Re: 1JZ GTE Crank Pulley Sun, 23 March 2003 15:21 Go to previous messageGo to next message
I hired an electric 3/4" drive impact wrench from a hire place out on Great Eastern Hwy. Worked a treat, none of the air powered ones I tried did anything, I even twisted up a wheel brace on it Sad The electric impact wrench worked right away! Cost about 50 bucks tho Sad
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SupraPete
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Re: 1JZ GTE Crank Pulley Mon, 24 March 2003 01:38 Go to previous messageGo to next message
Whats a breaker bar? I've got a big torque wrench which I'm hoping will reach the ground comfortably
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Norbie
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Re: 1JZ GTE Crank Pulley Mon, 24 March 2003 03:18 Go to previous messageGo to next message
A breaker bar is basically a long bar with a 1/2" drive attachment on the end. More leverage makes it easier to loosen (or "break") those stubborn bolts. You also have the option of putting a length of pipe on the end to get more leverage when necessary!

Never use a torque wrench as a breaker bar, you'll stuff it. A torque wrench should only be used to torque a bolt to spec.
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SupraPete
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Re: 1JZ GTE Crank Pulley Mon, 24 March 2003 05:56 Go to previous messageGo to next message
Anyone got one of these they can bring around one night this week? (South/West Sydney)
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draven
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Re: 1JZ GTE Crank Pulley Mon, 24 March 2003 06:17 Go to previous messageGo to next message
to get 324nm on that thing, you would need a big breaker bar, a LONG piece of pipe, and several big hairy ugly friends.

and there I was thinking the timing belt change on my 1j would be relatively painless (it's due in a couple of thousand kms)
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1jdave
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Re: 1JZ GTE Crank Pulley Mon, 24 March 2003 20:57 Go to previous messageGo to next message
heat the head of the bolt this should do it .
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SupraPete
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Re: 1JZ GTE Crank Pulley Mon, 31 March 2003 11:18 Go to previous messageGo to next message
YAY!! Got the crank bolt off. Now the bloody CRANK PULLEY.


GRRRR.

Anyone got a pulley remover?

Am soaking it in WD40 at the moment so got time to update here.
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SupraPete
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Re: 1JZ GTE Crank Pulley Mon, 31 March 2003 12:55 Go to previous messageGo to next message
Got my pulley off too. Needed to be soaked in WD40 for a little while.

Oh and I got the crank bolt off by bracing it against the ground with my torque wrench and kicking the starter! Thanks guys!


Didn't finish putting it back together as I've gotta line up the pulleys properly, and I need to get all the spark plugs out to do it, but don't feel like doing that tonight.
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mrshin
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Re: 1JZ GTE Crank Pulley Mon, 31 March 2003 13:46 Go to previous messageGo to next message
As for getting the bolt off with the starter, more to the point the number of times I've done/seen it done because of turning the engine to check timing etc. and leaving the bloody spanner on there!
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gianttomato
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Re: 1JZ GTE Crank Pulley Mon, 31 March 2003 22:00 Go to previous messageGo to next message
HKSPete wrote on Mon, 31 March 2003 22:55


Oh and I got the crank bolt off by bracing it against the ground with my torque wrenchand kicking the starter! Thanks guys!



!!!!! Shocked !!!!!
Pete, you probably ought to get that recalibrated now.
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SupraPete
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Re: 1JZ GTE Crank Pulley Mon, 31 March 2003 22:52 Go to previous messageGo to next message
GT - I don't really use it for torque anyway, just a bloody big socket wrench. Will buy another one when I need to measure torque properly.
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SupraPete
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Re: 1JZ GTE Crank Pulley Tue, 01 April 2003 22:53 Go to previous messageGo to next message
Finally put it back together last night. Finished at 2am. "Tested" it till about 2:30. Drove to work this morning Very Happy



Dumb question:
The crank bolt. How do I tighten it? I put it in as tight as I could, then tried jarring it on a bit further, but theres no starter motor to give it the extra leverage.
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HighRolla
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Re: 1JZ GTE Crank Pulley Thu, 13 January 2005 09:31 Go to previous messageGo to next message
Old post - sorry.

But how do you get the correct torque on an autmoatic car when engine and gearbox still in car. I'm talking about corolla but I guess similar deal.


Wouldn't the engine spin as you try and get the desired torque on the bolt

Thanks

[Updated on: Thu, 13 January 2005 09:32]

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Norbie
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Re: 1JZ GTE Crank Pulley Thu, 13 January 2005 10:13 Go to previous messageGo to next message
If you take the inspection plate off the auto, you should be able to jam a screwdriver or something into the ring gear.
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dingaling
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Re: 1JZ GTE Crank Pulley Thu, 13 January 2005 12:16 Go to previous messageGo to next message
I welded up my own service tool for that! pretty much the same as the toyota service tool, if the pulley holes are the same as a 7m poulley you can have my tool. Makes tightening the bolt much easier, still 300nm of torque on a bolt is mad!
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HighRolla
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Re: 1JZ GTE Crank Pulley Thu, 13 January 2005 12:48 Go to previous messageGo to next message
Hey mate - do you reckon you can take a pic of the tool i you get around to it?

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dingaling
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Re: 1JZ GTE Crank Pulley Thu, 13 January 2005 14:04 Go to previous messageGo to next message
sure thing, i'll dig it up tommorow and post a pic.
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dingaling
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Re: 1JZ GTE Crank Pulley Fri, 14 January 2005 03:09 Go to previous messageGo to next message
Ok It's abit uglier and crude then what i seemed to remember last night, BUT! it worked a treat!

As you can see that metal bit is bent from the amount of force i applied to tighten my bolt up! Also a bit if pipe goes on there and rests against the ground.

http://members.dodo.com.au/~urantiacjd/meservicetool.jpg
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Bentt
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Re: 1JZ GTE Crank Pulley Fri, 14 January 2005 03:22 Go to previous message
Looks similar to what I made up to remove mine also Smile

Got some thickwalled pipe and welded four little pins to the outside of it to fit inside the four holes on the pulley...

Bar with some reo bracing off the side.. and off she came Smile
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