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PostPosted: Tue Dec 21, 2021 10:20 pm 
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Turbo Slant 6
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Joined: Mon Jan 25, 2010 11:29 pm
Posts: 644
Location: Seattle, WA
Car Model: 75 Dart SE (2),75 Swinger, 74 Dart Sport,91 Ram RV
For our '75 Darts wiper linkage bushings, I have tried several factory MOPAR "NOS" bushings, but found that the "O" in NOS stands for "OLD": really, really old. The plastic crumbled easily when trying to install them. Back to Dorman 118-301 bushings. They fit, install fairly easily using a 9/16" socket and Channel-lock pliers or a C-clamp. The problem: they heat up and scream mercilessly. I've tried lubing the sockets before installation using Dow-Corning DC-4 silicone grease, and others using white lithium grease, or Lubriplate white grease. I have avoided using WD-40. My concern is finding a lubricant that works and won't attack the (Dorman) plastic compound, causing the bushings to disintegrate rapidly. I'm going to try LPS-1 or -2 next.
Any thoughts or tech help of lubricants here would be appreciated. P

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"Louise", a 1976 Dart Custom project, (now sadly reverted to being just an "organ donor" to our other project Darts.)


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PostPosted: Wed Dec 22, 2021 3:20 am 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 15359
Location: Blacksburg, VA
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At least up until 5 yrs ago or so, you could get new Mopar bushings and they were very good. I wonder if a dry teflon-loaded grease like "dri slide" might work?

Lou

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PostPosted: Wed Dec 22, 2021 3:51 am 
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 7851
Location: Silver Springs, Fl.
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I did one of my vehicles, about 1 yr ago. Used bushings from my local Mopar dealer. Those bushings come with a white lube, already in them.

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PostPosted: Wed Dec 22, 2021 11:35 am 
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Turbo Slant 6
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Joined: Mon Jan 25, 2010 11:29 pm
Posts: 644
Location: Seattle, WA
Car Model: 75 Dart SE (2),75 Swinger, 74 Dart Sport,91 Ram RV
Both good info, Thanks. P

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"Louise", a 1976 Dart Custom project, (now sadly reverted to being just an "organ donor" to our other project Darts.)


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PostPosted: Wed Dec 22, 2021 5:20 pm 
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Joined: Tue Oct 29, 2002 8:27 pm
Posts: 9760
Location: Salem, OR
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Yeah, I used a set of echlin brand and added a q tip of white grease to the cup before assembly, sadly after a few decades
of use especially in wet climates the bushings in the wiper shafts tend to squeal and lose their clearance...to bad ma mopar didn't add
an accessible grease zerk for these (much easier on the F-body through the removable cowl..)...

I actually like the 1967 linkage as they had brass washer clips on teh ends of the studs to retain them (which will keep working
after the bushing is half toast unlike the nylon bushings that cause the link arm to fall off...)... I thought one of members was
working on a stud replacement with through bushing and retainer to fix this design long term...but that never came to pass.


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PostPosted: Wed Dec 22, 2021 9:47 pm 
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Turbo Slant 6
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Joined: Mon Jan 25, 2010 11:29 pm
Posts: 644
Location: Seattle, WA
Car Model: 75 Dart SE (2),75 Swinger, 74 Dart Sport,91 Ram RV
Thanks DI. A few decades? I'm getting about 6 years when they work. 6 days is when the latest started to squeal.
I'll let folks know how further trials turn out.

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"Louise", a 1976 Dart Custom project, (now sadly reverted to being just an "organ donor" to our other project Darts.)


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PostPosted: Fri Feb 04, 2022 8:55 pm 
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Turbo Slant 6
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Joined: Mon Jan 25, 2010 11:29 pm
Posts: 644
Location: Seattle, WA
Car Model: 75 Dart SE (2),75 Swinger, 74 Dart Sport,91 Ram RV
Out of frustration, today I disconnected all 4 plastic bushings and lubed them with just black moly wheel bearing grease. The squeal went away, but I'll watch to see how the grease affects the plastics.

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"Louise", a 1976 Dart Custom project, (now sadly reverted to being just an "organ donor" to our other project Darts.)


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