Pro Answer needed. Lube 4 polyurethane bushings (I've searched.. settle the argument) - JeepForum.com
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post #1 of 16 Old 07-23-2010, 08:15 PM Thread Starter
SolidBrass
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Pro Answer needed. Lube 4 polyurethane bushings (I've searched.. settle the argument)

My bushing replacements came (for a blown out rear upper control arm)

I've seen people say "you need special grease for polyurethane bushings" (no lube with kit)

Nobody mentions brand/specifics but some word of silicone. I asked napa and got a bit of a "uh sure that will work" answer.

I've got "premium napa wheel bearing grease and chassis" in my lube gun but bought a lithium complex grease (Amsoil synthetic).

Do I stay with what i got in all the other joints or change to this very different lube for this job and thus switch back an forth when I lube joints and take the synthetic back to the store?

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post #2 of 16 Old 07-23-2010, 10:21 PM Thread Starter
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With no reply I will return the fancy grease and use the NAPA grease like the rest of them.
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Last edited by SolidBrass; 07-23-2010 at 10:47 PM.
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post #3 of 16 Old 07-23-2010, 10:59 PM Thread Starter
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how about some advice for pressing this into the control arm with little else but a c-clamp and retention clip pliers? My plan is large sockets to fit over metal ends and tighten with c-clamp, install retaining clip. (I'm still a virgin to every new jeep job, but really enjoying the challenge)

Thanks for all the help.

Last edited by SolidBrass; 07-23-2010 at 11:09 PM.
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post #4 of 16 Old 07-24-2010, 02:02 AM
chmo
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I think you need a synthetic silicon based grease!

Daystar has one : "Lubrathane"
Daystar KU11004 - Daystar™ Lubrathane - 3 oz Replacement Cartridge - Quadratec

silicon based with teflon ... PITA expensive AND
not available round the corner

So I was looking for replacement as well ... DuPont seems to have something but I have not seen cartridges ... only small tubes.

WHO KNOWS WHAT BRAND SILICON BASED GREASE ARE ON THE MARKET?

(This is ridiculous ... there are so many CA's with poly components inside the joints ... nobody really cares if mineral based grease is detoriating them?)

Last edited by chmo; 07-24-2010 at 02:16 AM.
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post #5 of 16 Old 07-24-2010, 06:16 AM
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I always used a lithium grease on the ones that dont have a grease fitting. Works well and lasts. If you have a grease fitting, just use reg chassis grease.

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post #6 of 16 Old 07-24-2010, 06:20 AM
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I use silicone brake grease. Comes in tubs or tubes; I actually have a few cases of the mopar stuff.

And glop it on.
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post #7 of 16 Old 07-24-2010, 06:59 AM
bandit455
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theres a zerk on that bolt it looks like

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post #8 of 16 Old 07-24-2010, 07:06 AM
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I use the clear silicone brake grease as well ( caliper lube ) any parts store should have it , i have heard that regular wheel bearing grease will eat at the rubber over time .
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post #9 of 16 Old 07-24-2010, 07:18 AM
robncar
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Formula 5 Prelube from Energy Suspension:

Amazon.com: Energy Suspension 9.11104 Formula 5 Prelube Grease - 8 oz.: Automotive

http://www.jeepforum.com/forum/f9/diy-alignment-kit-steps-w-pics-2264465/
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post #10 of 16 Old 07-24-2010, 09:46 AM
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Quote:
Originally Posted by DustinS View Post
I use silicone brake grease. Comes in tubs or tubes; I actually have a few cases of the mopar stuff.

And glop it on.
Did you see that he's working with a JJ or a copy of one? At most, that race will hold about a quarter teaspoon of grease once it's pressed together.

All glopping it on does is waste grease and make a mess.

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post #11 of 16 Old 07-24-2010, 04:09 PM
Donato_XIII
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Whatever you decide on, dont over-do it. More problems can happen from overgreasing bearings/bushings then you would think.
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post #12 of 16 Old 07-24-2010, 08:40 PM Thread Starter
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Removing repairing and re-installing that upper rear control arm was more difficult than I had expected. But the job is done. Bad news is it didn't resolved my 'clunk'.
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post #13 of 16 Old 07-24-2010, 09:03 PM
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Quote:
Originally Posted by mrblaine View Post
All glopping it on does is waste grease and make a mess.
I was speaking in generalities more than his specific application. When I put the 3 bushing parts together in my PT cruiser control arms, it left plenty of lube room.

But I agree, overkill doesn't do much good.
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post #14 of 16 Old 07-24-2010, 10:22 PM
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Quote:
Originally Posted by DustinS View Post
I was speaking in generalities more than his specific application. When I put the 3 bushing parts together in my PT cruiser control arms, it left plenty of lube room.

But I agree, overkill doesn't do much good.
Currie JJ take about 1 ton to press them together and when you get them all assembled, there's not much room for grease. I know not of PT arms.

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post #15 of 16 Old 07-25-2010, 12:05 AM Thread Starter
SolidBrass
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These daystar bushings were a tight fit for sure. I got a little grease on them pre-assembly but when I greased the zerk it was more or less 'air locked' i think. I got one pump in at least. Like Mr. Blaine said it allows very little grease in this assembly.
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