[jb4]

well I had planned on waiting until I had my TJ actually torn apart but the more I read through the online guides, posts, and my FSM it seems likely that its in my best interest to just replace the flywheel since I'll be there anyways...

I don't particularly like the idea of paying ~$300 for the mopar flywheel does anyone have any other recommendations or a place that sells the assembly for less than that? Also the FSM says to replace the flywheel bolts as well, which is a no brainer, but are they something I have to buy at the jeep parts counter or can they also be sourced from somewhere else?

I've found this link for an "AMS Engine Flywheel For 91-95 Jeep Wrangler YJ& 97-01 TJ with 4.0L 6-Cylinder" but considering its only $65 it just doesn't seem like thats a viable solution? I assume I'd have to buy a starter gear for it and I dont really feel comfortable having to install that (being a shrink fit and all) myself.

http://www.quadratec.com/products/52027_004.htm


FWIW I've bought a Luk clutch

[hscrugby]

Hit your local parts store you picked up the clutch at. It will be fine.
No need for a new starter gear. Flywheels should not be ~300$.

LUK makes one for about 100$ you can get at autozone, etc.

[jb4]

I ordered the clutch from dialaclutch but yeah I'm quite the dummy and didn't even look at autozone

seems like this luk flywheel is the one you're talking about for ~$100 I looked on Luk's site and the listing on AZ and they're quite lacking in detail/pictures - do you think this thing has the starter gear on it already?

http://www.autozone.com/R,APP1052621/vehicleId,2382502/initialAction,partProductDetail/store,4402/partType,00906/shopping/partProductDetail.htm

[hscrugby]

As sad as this sounds,
when we did it for a buddies YJ, (with an ax15 from a 98) he was in a hurry, so we ordered all 3 types of flywheels it "might be" and returned the other 2.

It was the one they had listed for a 98 with the 4.0 and a manual transmission taht worked.
it has the teeth for the starter on it already.

[jb4]

not sad at all. answered my question, thanks!

[barty]

Is your existing one in such bad shape that it can't be resurfaced? A flywheel has enough mass to withstand being resurfaced at least a couple of times with no ill effect.

[jb4]

to be honest I haven't even pulled it out yet. I just bought the thing and it was towed up the other night. the clutch went out on the highway so I'm sure there is some collateral damage. I tried to start it for ****s and giggles and when I did the starter freely spun. so I'm assuming either the magneto in the starter or the flywheel are missing some teeth or just not engaging.

I bought it for $1000 so I'm not too worried about sinking another $100 into it - I guess I just have an issue with spending retail on OEM stuff when I know there has to be a better alternative out there.

[hscrugby]

Originally Posted by barty

Is your existing one in such bad shape that it can't be resurfaced? A flywheel has enough mass to withstand being resurfaced at least a couple of times with no ill effect.

The fsm is VERY firm and clear that you should not resurface the flywheel. If there are minor scuffs you can hit it with some sand paper.
(Do I really believe that, not really, but given things these days, it would be worth the 75$ or so difference to me to not find out the hard way that the FSM was right.)

[Dravintoad]

Originally Posted by hscrugby

The fsm is VERY firm and clear that you should not resurface the flywheel. If there are minor scuffs you can hit it with some sand paper.
(Do I really believe that, not really, but given things these days, it would be worth the 75$ or so difference to me to not find out the hard way that the FSM was right.)

IIRC, the flywheel has a slight hemispherical shape. This is the reason they cannot be resurfaced.

[jb4]

I've read this article 1000x now and it says just to take a 60grit sanding sponge to the flywheel but considering the wear it seems like it could cause premature failure for the new clutch. and it doesn't seem like a job I want to have to do again in 3 months

[SpitNine]

Originally Posted by jb4

well I had planned on waiting until I had my TJ actually torn apart but the more I read through the online guides, posts, and my FSM it seems likely that its in my best interest to just replace the flywheel since I'll be there anyways...
I don't particularly like the idea of paying ~$300 for the mopar flywheel does anyone have any other recommendations or a place that sells the assembly for less than that? Also the FSM says to replace the flywheel bolts as well, which is a no brainer, but are they something I have to buy at the jeep parts counter or can they also be sourced from somewhere else?
I've found this link for an "AMS Engine Flywheel For 91-95 Jeep Wrangler YJ& 97-01 TJ with 4.0L 6-Cylinder" but considering its only $65 it just doesn't seem like thats a viable solution? I assume I'd have to buy a starter gear for it and I dont really feel comfortable having to install that (being a shrink fit and all) myself. http://www.quadratec.com/products/52027_004.htm
FWIW I've bought a Luk clutch

It's my understanding that, at some point, standard transmission Wranglers started coming from the factory with dual mass flywheels. These flywheels are an assembly of two plates with a large spring between them. They are expensive and they cannot be resurfaced.
I don't know if they can be replaced with a much cheaper solid flywheel.
My 2003 SE definitely has a dual mass flywheel.
Thanks.

[Jerry Bransford]

I still have the flywheel I recently removed out of my '97 with a 4.0L and 5-speed tranny. If you are interested, PM me.

[hscrugby]

Originally Posted by SpitNine

It's my understanding that, at some point, standard transmission Wranglers started coming from the factory with dual mass flywheels. These flywheels are an assembly of two plates with a large spring between them. They are expensive and they cannot be resurfaced.
I don't know if they can be replaced with a much cheaper solid flywheel.
My 2003 SE definitely has a dual mass flywheel.
Thanks.

Odd.
And annoying.
But he has a 98, none of those extra springs on that flywheel. It's just a hunk of metal.
(But I think Dravintoad is right about it being slightly hemisperical or something odd. It's been a few months since I've had a transmission off a jeep to look.
trying to forget.)

Oh and when you do this, beg, borrow, buy or steal a transmission jack. The hernia you avoid will be worth it.

[jb4]

Originally Posted by hscrugby

Oh and when you do this, beg, borrow, buy or steal a transmission jack. The hernia you avoid will be worth it.

I bought one from HarborFreight for $40 I don't understand how they could have shipped it for free it weighs ~50lbs but it showed up yesterday

[barty]

After doing a little research, if you have a dual mass flywheel, then it shouldn't (notice I didn't say CAN'T) be resurfaced because the springs and other parts are usually non-replaceable and are made to wear out. So its not the surface itself that's the issue, but the other parts. Fortunately in the same article it does state that a dual mass flywheel can be swapped out with a solid flywheel at the expense of a little extra NVH. You'll just have to source a flywheel and clutch from a similar or same vehicle before they started using the dual mass flywheel.

If its a solid flywheel, there's no reason why you shouldn't be able to have it resurfaced. The factory manual probably recommends a new flywheel more as CYA than a legitimate engineering concern. In my years of working on vehicles or replacing clutches, I've never heard of a "hemispherical" flywheel. The pictures in the link provided above show a conventional solid flywheel.

Here's a link to the article I was reading:
http://www.aftermarketnews.com/default.aspx?type=wm&module=4&id=3&state=DisplayFu llText&item=5202