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Old 03-10-2013, 10:38 AM   #1
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Can shocks go bad???

ok guys,, riddle me this! i installed a full set of rubi take off shocks... i got on to the road (25-45mph) and the ride is 100 times better than i had ever imagined!

However, as i was leaving my buddies house i hopped on the freeway (speed around 65-70) and there was a section of road that was a little bumpy... as i went over the small bumps my steering wheel started to vibrate, as the tires went up and down almost losing contact with the ground it was a little scary to say the least. This never happened before with the old black shocks and i drive on this part of the highway all the time. I got home and double checked the shocks, everything is tightened down as it should be. I'm running BFG mud terrain tires 32" about 40% remaining maybe its the tires???... ive only had the jeep for 3 weeks...has anyone had this issue with rubi takeoff shocks? im gonna give it another test run in the morning.

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Old 03-10-2013, 10:40 AM   #2
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Yes they can. They have seals in them and if a seal blows, the shock will render itself useless.

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Old 03-10-2013, 10:53 AM   #3
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nope.. i put rubi take offs on mine last week.. love the ride.. tons better, and have zero issues at this point.. now my POS ProComp steering stablizer, well thats a story for another day

If you have any question start pulling them off one by one and comparing the pressure it takes to push them down, you'll be able to compress them by hand with enough strength. If you find one super easy to compress you've found your culprit.

I mean no disrespect at all, but also check that all your wheels are on tight. Forget to torque the lug nuts when the rig is back on the ground once, and you'll never do it again, don't ask me how I know of this..
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Old 03-10-2013, 11:14 AM   #4
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ANYTHING that works can...and will break.

Busings wear out (rattle)

Seals break and fluid leaks (bounce)

Valves and Rods bend (squeak)

They work constantly and are very important to proper suspension. Fortunate, when compared to most repairs and upgrades...shocks are relatively inexpensive and easy.
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Old 03-10-2013, 11:23 AM   #5
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Quote:
Originally Posted by SoCaljeep08 View Post
as i was leaving my buddies house i hopped on the freeway (speed around 65-70) and there was a section of road that was a little bumpy... as i went over the small bumps my steering wheel started to vibrate, as the tires went up and down almost losing contact with the ground it was a little scary to say the least.
Not sure what else you've got, suspension-wise, but did you loosen the TBs and CAs when you did the install? If so, did you tighten them back to spec (125 ft-lbs for all, except 75 ft-lbs for upper front CAs) with the Jeep on the ground, resting on it's own weight? If not, you've probably got some binding in one or more of your bushings, which can lead to DW...

Diagnosing Death Wobble and Fixing Non-DW Shimmies and Wobbles

Only reason I point you to this is because I have a hard time believing that a section of road that's "a little bumpy" would trash your Rubi shocks. Something worth checking, anyway.
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Old 03-10-2013, 12:29 PM   #6
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Quote:
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Not sure what else you've got, suspension-wise, but did you loosen the TBs and CAs when you did the install? If so, did you tighten them back to spec (125 ft-lbs for all, except 75 ft-lbs for upper front CAs) with the Jeep on the ground, resting on it's own weight? If not, you've probably got some binding in one or more of your bushings, which can lead to DW...

Diagnosing Death Wobble and Fixing Non-DW Shimmies and Wobbles

Only reason I point you to this is because I have a hard time believing that a section of road that's "a little bumpy" would trash your Rubi shocks. Something worth checking, anyway.
^This.
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Old 03-10-2013, 12:38 PM   #7
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Why would you loosen TB and CA's to put shocks on? That's just not needed. Shocks aren't going to change your ride height.
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Old 03-10-2013, 12:59 PM   #8
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Why would you loosen TB and CA's to put shocks on? That's just not needed. Shocks aren't going to change your ride height.
That's why I said this:

Quote:
Originally Posted by kbwwolf View Post
Not sure what else you've got, suspension-wise, but did you loosen the TBs and CAs when you did the install?
Because he didn't say if there were other components involved in the install or not. And on the off-chance that he loosened everything up, regardless of what he did install.

Even if he didn't loosen them, one of the first things he should do is check the torque on his TBs, in light of the fact that he said "my steering wheel started to vibrate, as the tires went up and down almost losing contact with the ground it was a little scary to say the least."

Maybe his stock bolts have wallowed out the TB bushings. Who knows?

Doesn't sound like a busted shock to me.
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Old 03-10-2013, 03:48 PM   #9
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Shocks have a definite service life. Yes, they can go bad prematurely. I had a new Monroe go bad within 2000 miles of installation.
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Old 03-10-2013, 04:32 PM   #10
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kbwwolf.. your avatar pic is bad ass....
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Old 03-11-2013, 01:56 AM   #11
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Guys I'm not sure what TB's or CA's are, can you clarify? As far as the work I did, on the fronts. I removed the tires, switched out the shocks and righted everything back up including the lugs on the tires. On the rears I kept the tires on just went under and switched them out.

I drove again on the highway today and could not duplicate the incident, any chance the shocked needed some time to break in?. It seems to be riding great for now.
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Old 03-11-2013, 05:25 AM   #12
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Quote:
Originally Posted by SoCaljeep08 View Post
Guys I'm not sure what TB's or CA's are, can you clarify? As far as the work I did, on the fronts. I removed the tires, switched out the shocks and righted everything back up including the lugs on the tires. On the rears I kept the tires on just went under and switched them out.

I drove again on the highway today and could not duplicate the incident, any chance the shocked needed some time to break in?. It seems to be riding great for now.
Controls arms and track bars. You don't have a lift so nothing to worry about.

You should keep an eye on the front track bar. Make sure the bolts stay torqued. If one or both of them were to loosen up, the jeep would shake.
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Old 03-11-2013, 11:49 AM   #13
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Controls arms and track bars. You don't have a lift so nothing to worry about.

You should keep an eye on the front track bar. Make sure the bolts stay torqued. If one or both of them were to loosen up, the jeep would shake.
Sage advice.
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Old 03-11-2013, 12:16 PM   #14
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Sage advice.
Thank you
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Old 03-11-2013, 12:21 PM   #15
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yes they can go bad, i replaced my stock JK shocks at 40k miles.

While replacing them, i tried compressing them by hand and they were very soft. The new ones in comparison were really stiff and took some muscle to compress.
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Old 03-11-2013, 12:29 PM   #16
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What PSI are you running in your tires? May not be related, but if the pressure is too high, you'll end up bouncing down the road like a Super Fun Ball.
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Old 03-11-2013, 12:49 PM   #17
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There are two or three internal valves that are basically a flapper. The valves open and close with ever movement of the shock. Each valve is for a specific type of impact or road condition. The one for normal ride is the one that goes bad first as it flexes more than the others. A shock can go bad in just 1000 miles or last 50,000 + miles. I had a set of Rancho RS9000 last 90,000 miles before they realy started to show signs of wear and need replacement. I am replacing a rear set of Monoroe Sensa Tracks om my Durango now because one started to leak oil at 53,000 miles. Even with it leaking the ride was still good.

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