1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

noob question first full teardown

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Old 02-02-10, 06:32 PM
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noob question first full teardown

ok i've messed around with the transmission and figured **** since i've got it set up where i can work why not tear down the spare and see whats goin on inside it


but one major noob but pain in the *** question

the 54mm or 2 1/8 size nut on the fly wheel how the hell am i supposed to get that off?
Old 02-02-10, 06:44 PM
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lots of pb blaster, breaker bar and a brace for the flywheel, sometimes even a screwdriver will work if you have one thick enough to slide between the top dust/inspection cover and the slot in the flywheel...its a bitch sometimes. i also found it easier to go ahead and loosen the nut on the front pulley first, that one was harder than the flywheel on my engine.
Old 02-02-10, 06:57 PM
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Try this ... https://www.rx7club.com/3rd-generation-specific-1993-2002-16/flywheel-nut-eccentric-shaft-bolt-removal-without-air-tools-875356/
Old 02-02-10, 07:17 PM
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Originally Posted by blackdeath647
lots of pb blaster, breaker bar and a brace for the flywheel, sometimes even a screwdriver will work if you have one thick enough to slide between the top dust/inspection cover and the slot in the flywheel...its a bitch sometimes. i also found it easier to go ahead and loosen the nut on the front pulley first, that one was harder than the flywheel on my engine.
+1 Start from the front and then work the flywheel bolt. Make sure you have a breaker bar that is long enough. I use a 4 ft bar works everytime. Goodluck
Old 02-02-10, 08:03 PM
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well got the nut off but now how do i get the flywheel out without one of those pullers like it has in the hanes manual?
Old 02-02-10, 08:05 PM
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wait are you talking about the bolt that is in the pully that connects to the escentric shaft?
Old 02-02-10, 08:19 PM
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Heat, hammer and 2 pry bars. This usually works best with an extra pair of hands. Heat the flywheel right around the e-shaft. Use 2 pry bars and put between flywheel and block. Pull on pry bars toward the rear on the engine while striking the outer flat part (the part facing you). I have taken quit a few flywheels off this way. BTW, leave the nut on the shaft just put on with a few threads. That way when the flywheel pops loose, it won't fly off and make you bust your a$$
Old 02-02-10, 08:38 PM
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haha thanks man
i was about to go try that with 2 pry bars until i read the smart idea of leaving the nut on a little haha

i figured i'd have fun and try and see how the spare engine is

since the 7 is at rd i'm priming tomorrow if we get the bad *** dune buggy outta the good booth (thing is crazy for a little vw dune buggy)

oh and sam you'd laugh your *** off
the guys in second year haven't seen the bp12a till today
muchless heard it


about half of them asked
is that a v8???

one guy was dead set on it being a muscle setup with a special cam setup in it
lmao me and my teacher were laughin our asses off

1.1 liter for the win!!! =]


oh and sam are you goin to dgrr?
Old 02-02-10, 09:58 PM
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Usually a sharp rap on the outer edge of the flywheel, avoid the ring gear, with a 2# hand sledge will loosen the flywheel. ALWAYS keep the nut on a few threads.
Old 02-03-10, 05:58 PM
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I used a soft blow hammer and was patient. To get the nut off I put a breaker bar on it and a 8 foot long pipe and just keep at it until it broke the torque. It eventually popped off...
Be careful not to hit the pressure surface or the teeth, so you have to be precise.

I took off a rusted junkyard motor flywheel to extract low mileage housings. I was quite surprised how easy it was with the motor on a stand and a proper flywheel stop.
Old 02-03-10, 06:06 PM
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if u haven't gotten it off by the weekend let me know. i saw a vid on youtube some chick showing how to do it.
Old 02-03-10, 06:09 PM
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Iirc, that vid is from RB showing a young lady removing the flywheel. Puts all the macho men to shame when one sees how simple it is.
Old 02-03-10, 06:42 PM
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well i should be able to get it off tomorrow cause i have cam over right now and he won't be here tomorrow afternoon so all i have to do is go make a sidewalk at my grandpa's for him for a little cash then i'll go and try to get it off

we have a gear puller or something at school my teacher said might work but i'll have to look at it tomorrow
Old 02-03-10, 07:52 PM
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No need for a gear puller and many of them will damage the pilot bearing. I tried gear pullers early on with a plate protecting the pilot bearing and found them to be a waste of time. They did work in that they put tension on the flywheel but still needed a sharp rap with a hammer/hand sledge to pop the flywheel off. That's when I learned that the nut needed to be left on as the flywheel lived up to it's name and came flying off. Got my feet out of the way just in time.
Old 02-08-10, 04:39 PM
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k well got it fixed

but now a bigger problem
got to looking and the dowel pin broke in half when i did the threading trick

heres what im stuck with




how do i get it out?
Attached Thumbnails noob question first full teardown-dowelbroke.jpg  
Old 02-08-10, 06:10 PM
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that's rotor housing right? that's a thru hole. i usually drive them thru and out the other side. that's with the rotor housing off the engine of course.
Old 02-08-10, 06:29 PM
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yea but i didn't get the full engine apart i thought it said you had to remove those two dowel pins or w.e to get the engine housings seperated
can you take them apart without removing the dowel pins?
Old 02-08-10, 07:02 PM
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yes you can. pull the other one out and turn the housing to kinda break it loose,
might have to use a rubber mallet to tap the housing
Old 02-08-10, 09:25 PM
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k i wasn't sure and i didn't wanna cause me tryin that to break it even more if it wouldn't come off with it still stuck
Old 02-08-10, 11:46 PM
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What kind of threading trick?

I just use the stock lug bolts.
Old 02-09-10, 02:12 PM
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Do not try and drive that dowel pin through. It has spread and may damage the housing. It will have to be driven out from the other side. My guess is you used too large of a bolt and split the dowel pin.

Pulling the other dowel and rotating the housing will work just fine. A lug bolt or one of the rear control arm bolts is the right size and pitch. I use either one with a box wrench that's smaller than the bolt head and tap on the wrench to drive the pin out.
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