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-   -   Control Arm Bushing Stuck (http://forums.pelicanparts.com/porsche-911-technical-forum/1089299-control-arm-bushing-stuck.html)

GAJon 03-24-2021 11:13 AM

Control Arm Bushing Stuck
 
So I know there are tons of threads on control arm bushing install. I am not a smart man and did not really pay attention to a key point in all of these installs and even the ER instructions: use dish soap.

I was installing my new sway bar bushing using some silicone rubber spray and it seemed to work really well. I figured this would be fine for the large control arm bushings too. Also may have hit a lazy streak in not wanting to go get dish soap... Fast forward a few hours and I have one control arm with two bushings half on. I was bending a 3/4" pipe like an archer's bow and they weren't budging.

A few Pelican searches later, I found all the warnings about using a grease instead of glycerin as a lubricant for rubber.

So my main question is: are the bushings stuck on the arm salvageable at all? My gut tells me I need to heat them up, take them off and order a new set, but I figured I'd ask in case someone had a solution.

May be one of those do it wrong once moments...

PS: I was able to use dish soap on the other arm and had it installed in less than 5 minutes following the instructions. Live and learn.

yelcab1 03-24-2021 03:49 PM

Post a picture.

GAJon 03-24-2021 06:25 PM

I used a typical 3/4” pipe clamp on the front bushing. These have very shallow throats, so I thought maybe the last little bit would be closed up using a deeper throat clamp (it did not). There was a ~0.125” gap that would not close up.

https://i.ibb.co/z4d8Y5v/7820-C61-A-...-EA48-A142.jpg

I then thought that maybe putting on the rear bushing, things would some how compress and be OK. Again, it did not. I stopped here because the aluminum stop was starting to tilt in the fixture. I couldn’t get the rear bushing to move much further.

https://i.ibb.co/NjWgp22/7776-B1-E3-...-B0-E769-D.jpg

Are these toast and I need to remove and order new ones? Can they be salvaged with some gentle heat?

gomezoneill 03-25-2021 06:57 AM

Did someone sand blast the ends there? Looks like it.

eastbay 03-25-2021 07:20 AM

If you can get it off in one piece from there(and I think you can), it will be fine to put back on.

GAJon 03-25-2021 11:04 AM

Problem having a one track mind sometimes is I was too focused on getting them on. As @Eastbay said, removing them was pretty easy. I have two jaw long reach gear puller that fit really well over the flange portion. Gave it a few spins and they came right off.

Soaped them up and got everything done in under 30 minutes. Super easy with the ER tools and instructions.

@gomezoneill, yes the ends did get a light blasting. I had the arms fully blasted and powder coated along with everything else. Hindsight, I should have probably just had the ends powder coated as well, but I was worried about clearance for the bushing. They look rougher than they feel, it's pretty mild. The soap smoothed over any bumps and they went on easy.

gomezoneill 03-25-2021 11:20 AM

The ends of the control arm should should be polished not rough texture.


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