Shackle Squeak? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

muthstryker · 08-03-2010, 09:36 AM

Hey guys,

This last weekend I replaced the bushings in my leafsprings with some stock rubber ones. Well there was no squeak at all, last night I was showing someone and it started squeaking really really loud. I got under the truck and it seems to be coming from the shackle, when I loosen up that bolt the squeak takes longer to notice (pushing up and down on the truck).

The shackle has a uthrane type bushing not 100% sure. Is it possible, thats the problem and I should replace that one with rubber ones as well?

msgross · 08-03-2010, 11:00 AM

did you use the lube that came with them?

camshaftgsxr · 08-03-2010, 11:03 AM

What if Old ones are squeaking

**N2TRUX** · 08-03-2010, 11:04 AM

Quote:

Originally Posted by muthstryker

The shackle has a urethane type bushing not 100% sure. Is it possible, thats the problem and I should replace that one with rubber ones as well?

Urethane is going to squeak. You can lube it to make it quite for a while but it will squeak.

I would replace it with a rubber or polygraphite bushing.

muthstryker · 08-03-2010, 11:43 AM

I didnt put the drop shackles on, that was done by the PO so I dont have the lube for them.

I will swap them out this weekend and see if it goes away

msgross · 08-03-2010, 12:14 PM

The black poly bushings have graphite in them... the red one's don't (so i've heard)

muthstryker · 08-03-2010, 12:17 PM

Um, my friend asked me what kind of grease I used for everything, I just went out into the garage....

How bad is wheel bearing grease on rubber? I thought I had swapped the wheel bearing grease out of my gun and put suspension grease in it... I didnt...

Do I need to take the truck apart again this weekend and wipe all the wheel bearing grease off and use suspension grease?

muthstryker · 08-03-2010, 01:11 PM

I used the wheel bearing grease to slide the new bushings in and just put it on the outside of the bushing to slide them into the mounts...

msgross · 08-03-2010, 11:24 PM

is it petroleum based vs silcone based? That's the only issue I see, petro might eat through the poly. I'd google it though.

muthstryker · 08-03-2010, 11:41 PM

I just went out and looked at the grease, It says Multi purpose wheel bearing grease and HD chassis grease. It is white lithium based grease, I think I will be alright. If not the bushings were only 40$s so I can buy more if it eats everything away dont really want to take apart the suspension again..

08-03-2010, 09:36 AM	#1
muthstryker Registered User Join Date: Dec 2009 Location: Snohomish, Washington Posts: 1,187	Shackle Squeak? Hey guys, This last weekend I replaced the bushings in my leafsprings with some stock rubber ones. Well there was no squeak at all, last night I was showing someone and it started squeaking really really loud. I got under the truck and it seems to be coming from the shackle, when I loosen up that bolt the squeak takes longer to notice (pushing up and down on the truck). The shackle has a uthrane type bushing not 100% sure. Is it possible, thats the problem and I should replace that one with rubber ones as well?

08-03-2010, 11:00 AM	#2
msgross Registered User Join Date: Jul 2006 Location: Central PA Posts: 12,201	Re: Shackle Squeak? did you use the lube that came with them? __________________ The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer"

08-03-2010, 11:03 AM	#3
camshaftgsxr Registered User Join Date: Feb 2010 Location: Asheville, N.C. Posts: 785	Re: Shackle Squeak? What if Old ones are squeaking __________________

08-03-2010, 11:43 AM	#5
muthstryker Registered User Join Date: Dec 2009 Location: Snohomish, Washington Posts: 1,187	Re: Shackle Squeak? I didnt put the drop shackles on, that was done by the PO so I dont have the lube for them. I will swap them out this weekend and see if it goes away

08-03-2010, 12:14 PM	#6
msgross Registered User Join Date: Jul 2006 Location: Central PA Posts: 12,201	Re: Shackle Squeak? The black poly bushings have graphite in them... the red one's don't (so i've heard) __________________ The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer"

08-03-2010, 12:17 PM	#7
muthstryker Registered User Join Date: Dec 2009 Location: Snohomish, Washington Posts: 1,187	Re: Shackle Squeak? Um, my friend asked me what kind of grease I used for everything, I just went out into the garage.... How bad is wheel bearing grease on rubber? I thought I had swapped the wheel bearing grease out of my gun and put suspension grease in it... I didnt... Do I need to take the truck apart again this weekend and wipe all the wheel bearing grease off and use suspension grease?

08-03-2010, 01:11 PM	#8
muthstryker Registered User Join Date: Dec 2009 Location: Snohomish, Washington Posts: 1,187	Re: Shackle Squeak? I used the wheel bearing grease to slide the new bushings in and just put it on the outside of the bushing to slide them into the mounts...

08-03-2010, 11:24 PM	#9
msgross Registered User Join Date: Jul 2006 Location: Central PA Posts: 12,201	Re: Shackle Squeak? is it petroleum based vs silcone based? That's the only issue I see, petro might eat through the poly. I'd google it though. __________________ The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer"

08-03-2010, 11:41 PM	#10
muthstryker Registered User Join Date: Dec 2009 Location: Snohomish, Washington Posts: 1,187	Re: Shackle Squeak? I just went out and looked at the grease, It says Multi purpose wheel bearing grease and HD chassis grease. It is white lithium based grease, I think I will be alright. If not the bushings were only 40$s so I can buy more if it eats everything away dont really want to take apart the suspension again..

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