Rear window shocks??? - Page 2 - JeepForum.com

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post #16 of 32 Old 11-15-2012, 05:31 PM
Bubba Ray
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Keith460, have you tried these on a Jeep hardtop? What about length? I am tired of using "the prop on head method".

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post #17 of 32 Old 11-15-2012, 06:45 PM
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I have a stick to prop it open...
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post #18 of 32 Old 11-14-2016, 03:29 PM
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OK, I know, holy dead thread batman!!!

Just figured I'd revive this for anyone else having lift gate strut issues.

I just ordered #4138T58 from McMaster-Carr and these should be a direct bolt in upgrade. I will keep y'all posted once they arrive and get installed

these have 10mm ball ends but you can get them with no fitting and add what ever fitting you find if you so ever need.
These are 11.85" compressed and 20.12" extended

OEM are 12.75" collapsed, around 20" extended

The lift gate weighs in at 28.5 pounds and they recommend a 70 pound force for an object that is 30" with a 40 pound weight, which is close to the size of lift gate so I ordered 2, 30 pounders which should be about just right.





https://www.mcmaster.com/#gas-springs/=151h4zi

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post #19 of 32 Old 11-15-2016, 07:08 AM
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McMaster-Carr also sells gas struts with a bleed screw that allows you to bleed off pressure if the struts are too stiff. We have used those type on our equipment we sell or repair at work several times with lasting results.

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post #20 of 32 Old 11-15-2016, 10:46 AM
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Please let us know how they work out Jeep boy. I need to get some for my fiberglass hatch. I like that price over the $85 bleed screw version, though they would probably be the "more adjustable" way to go.
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post #21 of 32 Old 11-15-2016, 03:07 PM
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Yes that's why I went with these, $17 a piece and they are available in 15, and 20 pound versions if the 30s are too stiff for fiberglass. they also have quite a lot of mounting brackets and I'm sure one would work with out mods for anyone also needing the bracket, but I'm using the factory ones.

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post #22 of 32 Old 11-17-2016, 08:43 AM
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Alright, found them on my porch this morning and threw them on... Absolutely perfect fit and look way better than OEM, PLUS theres no creeky, groaning, or crunching sounds from the OEM mechanical spring design!

They do seem a tad too light tho for the steel/glass OEM liftgate so I think I'm going to order in a set of 40 pounders to see if they work better.

These 30s may be exactly what a fiberglass gate needs since I've seen recommendations on not using the stock ones due to ripping mounts in fiberglass.

They also DID NOT come with hardware so I would definitely grab 8, 5/16 washsers and 4, 5/16-18 nylocks if going this route.

NOTE: these do work and support the OEM gate but I'm searching for perfectness and feel that stronger ones would be better as long the next step up aint too strong.










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post #23 of 32 Old 11-17-2016, 12:33 PM
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Watch out buying used ones. Through all my top and liftgate swapping, I ended up with a pair that confuses me. They compress one inch shorter than all the others. It's a hard bottoming out and both are the same. I've measured both early and later hardtops and these will not compress enough to work.


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post #24 of 32 Old 11-17-2016, 04:34 PM
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That is strange! and for less than $40 a newer tech, better operating strut with no annoying sounds that is a direct bolt on you pretty much cant beat

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post #25 of 32 Old 11-22-2016, 05:33 PM
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The 40 pounders work like a charm! Definitely way better than OEM, they lift the whole weight of the gate on their own after it is opened up maybe 3" and hold it fully open with no sag at all. I can send you the 30 pounders if you are still looking for something for your fiberglass gate if you think you'll something a little lighter.

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post #26 of 32 Old 11-23-2016, 04:30 AM
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So, you bought McMaster-Carr / #4138T584 / Gas Strut / 40lbs Extension Force


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post #27 of 32 Old 11-23-2016, 09:04 AM
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Me thinks I'm ordering two of those right now .....

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post #28 of 32 Old 11-23-2016, 02:58 PM
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Quote:
Originally Posted by keith460 View Post
So, you bought McMaster-Carr / #4138T584 / Gas Strut / 40lbs Extension Force

Yeah, thats it... Strange how that says "CJ-7 replacement" when I searched I couldn't find anything listed earlier than a wrangler, on multiple sites, and all the local parts stores.

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post #29 of 32 Old 11-23-2016, 06:15 PM
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Quote:
Originally Posted by jeep_boy02 View Post
Yeah, thats it... Strange how that says "CJ-7 replacement" when I searched I couldn't find anything listed earlier than a wrangler, on multiple sites, and all the local parts stores.
Not strange, just edited drawing from McMaster-Carr using Microsoft Paint program.

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post #30 of 32 Old 11-24-2016, 11:20 PM
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Quote:
Originally Posted by jeep_boy02 View Post
I can send you the 30 pounders if you are still looking for something for your fiberglass gate if you think you'll something a little lighter.
I just seen this and not sure if it was aimed at me or not. I'm thinking even 30# might be too much since it's so light. The 20# ones may work better. I guess I'm gonna have to figure out how much the hatch weighs without actually taking it off? Wonder if my deer scale goes that low???

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