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-   -   Need some REALLY good glue: (http://forums.pelicanparts.com/off-topic-discussions/551954-need-some-really-good-glue.html)

speeder 07-07-2010 09:54 AM

Need some REALLY good glue:
 
Is this even possible?

I'll skip the long story but my trusted assistant managed to shave the dampener off of a crankshaft pulley. (By improperly bracing it while someone else (ahem) tried to break the bolt loose.

Just one of those bone-headed things that can happen in the heat of battle with a mechanical beast. He said, "Oh! I've got it!", as in, *I found a way to brace it*. I did not check his discovery and this was the result. I guess that is the long story. :rolleyes:

It's from a 3.0 Mitsubishi V-6, if that matters. (It doesn't). A new pulley is ~$350.00 dealer list. The break is clean, (the two parts fit together perfectly), is there anything that will bond vulcanised rubber, or whatever the ** this is? There is really no force on this thing once it's installed.

TIA as always! :cool:http://forums.pelicanparts.com/uploa...1278525238.jpg
http://forums.pelicanparts.com/uploa...1278525259.jpg

masraum 07-07-2010 10:05 AM

Wow, rigging that back together sounds like trouble waiting to happen.

Since it's a balancer/damper, I think there's probably a ton of vibrational force acting on it most of the time. I'd be surprised.

pwd72s 07-07-2010 10:09 AM

Man up, buy the new part...whoever owns this car deserves it...

sammyg2 07-07-2010 10:31 AM

Pick-a-part or evil bay.
Prolly get a decent one for $20

TechnoViking 07-07-2010 10:32 AM

Check a salvage yard for a used one.

sammyg2 07-07-2010 10:32 AM

There is no fixing that one. No way.

Here's a bunch of brand new ones for under $100:

3.0 Mitsubishi harmonic balancer items - Get great deals on eBay Motors, Mitsubishi items on eBay.com!

TechnoViking 07-07-2010 10:33 AM

Quote:

Originally Posted by sammyg2 (Post 5442447)
Pick-a-part or evil bay.
Prolly get a decent one for $20

Beat me to it :)

Zeke 07-07-2010 10:59 AM

No, I wouldn't glue it. But, it looks to be held in compression when the cover is bolted up. Why not back fill the cavity with some high temp silicone and install? Wait a day and fire 'er up.

sammyg2 07-07-2010 11:35 AM

Harmonic balancers are designed to dampen vibration at critical speeds.
i.e. every piece of rotating equipment has a critical speed where the natural resonance of the rotating parts matches an excitation force, a certain running speed.
In other words it's like ringing a bell. A bell rings at a certain frequency, and when an external vibration is at the same frequency they will amplify one another significantly. That vibration can become severe enough to damage the machine. A harmonic dampener is designed to lessen that effect and keep the machine from breaking.
It's not something you should mess around with. A broken and glued one will not dampen as designed.
Get a new one or a good used one and put it on and sleep well.

porsche4life 07-07-2010 01:30 PM

Lord adhesive....

vash 07-07-2010 01:39 PM

Quote:

Originally Posted by porsche4life (Post 5442778)
Lord adhesive....

i bet that "Satan glue" is pretty good too. but it'll cost you a bit more in the long run. fun while it last though. :)

Hugh R 07-07-2010 01:55 PM

That comes "unglued" at 4,000 RPMs and it's going to make a big mess.

porsche4life 07-07-2010 02:38 PM

Quote:

Originally Posted by vash (Post 5442786)
i bet that "Satan glue" is pretty good too. but it'll cost you a bit more in the long run. fun while it last though. :)

I actually wasn't kidding... "lord" is a brand of 2part epoxy.... Its hardcore...

Of course... It would be cheaper to buy the part used than to buy the glue....

KevinP73 07-07-2010 03:52 PM

Quote:

Originally Posted by Hugh R (Post 5442808)
That comes "unglued" at 4,000 RPMs and it's going to make a big mess.

I'd pay to see that !!:eek:

stomachmonkey 07-07-2010 07:33 PM

BTDT2. Boneyard.

vash 07-07-2010 07:53 PM

Quote:

Originally Posted by porsche4life (Post 5442886)
I actually wasn't kidding... "lord" is a brand of 2part epoxy.... Its hardcore...

Of course... It would be cheaper to buy the part used than to buy the glue....

damn..i thought you were throwing up a "set serve" for me to spike home!!

speeder 07-07-2010 08:24 PM

Thanks, everyone! Wound up getting a good used one @ a junk yard. Would have been near impossible @ self-serve junk yard, you need a very strong impact gun to break bolt loose.

$100 fk-up. The car is mine, FWIW. It fell into my life w/ a bad T-belt tensioner that made it sound like it had loose parts floating in the valvetrain. It will be fine when fixed tomorrow. Thanks again!

porsche4life 07-07-2010 08:34 PM

Quote:

Originally Posted by KevinP73 (Post 5442978)
I'd pay to see that !!:eek:

Something like this I imagine...
<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/H8c0tDzyKlA&amp;hl=en_US&amp;fs=1?color1=0x5d1719& amp;color2=0xcd311b"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/H8c0tDzyKlA&amp;hl=en_US&amp;fs=1?color1=0x5d1719& amp;color2=0xcd311b" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>

aigel 07-07-2010 08:59 PM

You don't have air tools? I hate working on other people's old stuff for just this reason.

Yeah, what the others said. The issue is the function of dampening harmonics. If it doesn't work as designed any more, the crank bearings will go out.

Good Luck -

George

speeder 07-07-2010 09:34 PM

In fact, I have really good impact guns and a pretty decent home compressor. It just did not have enough torque to bust that (over-tightened by last idiot) bolt loose. I put it back together enough to drive and brought it by my buddy's shop up the street where he instantly popped it loose with his gun, which is hooked-up to a compressor and tank the size of a car. Their compressor runs all of the air for his exhaust shop plus a very large body shop next door. It is not even in his place, lines come from next door.

That's what you really need for situations like this. It never occurred to me that I would not be able to get that bolt loose or I would have just brought it by his place to pop it loose before starting. Oh well...


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