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Do poly bushings squeak? #2832005
10/12/20 03:32 PM
10/12/20 03:32 PM
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State of Confusion
hp383 Offline OP
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hp383  Offline OP
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State of Confusion
I am finally (4 years later) going to have the funds to get the front suspension addressed on the Dakota.

I am getting the upper and lower A arm bushings changed, new ball joints installed, new springs, and shocks up front.

I was given a set of poly bushings and sway bar end links as a gift.

Years (many, many) ago I recall that poly bushings had a tendency to have an annoying squeak. Is that still true today?

The bushing kit comes with several packets of bushing lube.

My hope is that newer technology, and the lube will prevent the bushings from squeaking.


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Re: Do poly bushings squeek? [Re: hp383] #2832009
10/12/20 03:58 PM
10/12/20 03:58 PM
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Mass
DAYCLONA Offline
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I've installed nothing but Poly/delrin/nylon bushing in my toys/DD or customer's vehicles for the last 3+ decades, and learned the hard way to avoid squeaks, don't tighten components until at ride height, use the mfg recommended lubrication, never use petroleum based lubricant during install or usage, follow the mfg's recommendations if your not sure of install procedure...


Mike

Re: Do poly bushings squeek? [Re: DAYCLONA] #2832011
10/12/20 04:18 PM
10/12/20 04:18 PM
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Posts: 11,876
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hp383 Offline OP
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hp383  Offline OP
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Thank you for that.

I have the mfg lube, and will be sure the shop doesn't tighten everything up until its at ride height.

Shouldn't be too difficult for them since it will be getting an alignment at the same time and they have a nice new alignment lift.


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Re: Do poly bushings squeek? [Re: DAYCLONA] #2832073
10/12/20 07:28 PM
10/12/20 07:28 PM
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Omaha Ne
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TJP Offline
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Omaha Ne
Originally Posted by DAYCLONA
I've installed nothing but Poly/delrin/nylon bushing in my toys/DD or customer's vehicles for the last 3+ decades, and learned the hard way to avoid squeaks, don't tighten components until at ride height, use the mfg recommended lubrication, never use petroleum based lubricant during install or usage, follow the mfg's recommendations if your not sure of install procedure...


Mike


iagree
And will add I buy the lube in small tubs and use it liberally. Once everything is done, go back and clean up any residual lube. The stuff is nasty as it sticks to anything it touches.
Brake clean, carb clean or acetone works well but be careful on painted areas especially with the last 2 beer

Re: Do poly bushings squeek? [Re: TJP] #2832089
10/12/20 07:50 PM
10/12/20 07:50 PM
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Bristol, CT
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RalphsRapidTrnst Offline
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Bristol, CT
Yes! I use them on my Stock Appearing Racers. They all squeek.


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Re: Do poly bushings squeek? [Re: RalphsRapidTrnst] #2832440
10/13/20 07:02 PM
10/13/20 07:02 PM
Joined: Jan 2011
Posts: 5,520
Central Florida
larrymopar360 Offline
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larrymopar360  Offline
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Central Florida
I have them everywhere in the front end of my '89 Diplomat, installed by professional mechanic. I recall lube coming with some of the bushings (some were from firmfeel, some from other suppliers). Can't say what method mechanic used in when he torqued hardware.

I have zero squeaking and it's been thousands of miles.

Now it probably does make a difference in the geometry of the suspension shruggy


Facts are stubborn things.
Re: Do poly bushings squeek? [Re: larrymopar360] #2832762
10/14/20 02:44 PM
10/14/20 02:44 PM
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Posts: 66
WI
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Brewzer67 Offline
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I have always used the Mobil1 synthetic grease and have not had any squeaks. Additionally, I have not seen any breakdown of the bushings over the years. I added my PST Poly Graphites in 1994 so if there were going to be some ill effects I would think they would have surfaced by now.

Re: Do poly bushings squeak? [Re: hp383] #2832831
10/14/20 07:00 PM
10/14/20 07:00 PM
Joined: Mar 2003
Posts: 4,810
Memphis
HemiRick Offline
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HemiRick  Offline
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Memphis
IMHO they only squeak if you DON'T follow the instructions, and fail to use the lube properly.


Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
Re: Do poly bushings squeak? [Re: HemiRick] #2832918
10/15/20 05:49 AM
10/15/20 05:49 AM
Joined: Aug 2007
Posts: 5,720
Caracas, Venezuela, SouthAmeri...
NachoRT74 Offline
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NachoRT74  Offline
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Caracas, Venezuela, SouthAmeri...
I just used poly on my LCAs... I never advertised any squeak. Sure I used the lube grease coming with them. But also learnt use just poly on LCA is wrong. Needs to be accomplished with poly also on strut rod bushings, because the rubber bushing on strut roads will alow the LCA to slide in and out along the bushing. My rubber strut rod bushing got compressed A LOT allmos to failure. I'm going back to rubber. on bottom now and will use just the poly bushings on UCAs, because I didn't use those from the kit way back.







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