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Mevotech Supreme Suspension Parts - Junk! #4804604
07/03/18 11:43 PM
07/03/18 11:43 PM
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
Nick1994 Offline OP
Nick1994  Offline OP
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
I'm speechless.

My Jeep had a clunk up front in April, turns out the original sway bar links at 22 years and 145,700 miles were wearing out. The bottom bolt hole was wallowing out.

A buddy of mine is a mechanic and I can order wholesale parts through him at his cost. They didn't have any Moogs in stock so I figured I'd try the Mevotech "Supremes". How bad could they be, right?

I put them on, did a few hundred miles of mostly highway driving, and one trip out to Butcher Jones Off-road Park. At 146,202 miles I peeked under, and the driver's side sway bar link's upper bushings were almost totally gone! The passenger's side was starting to wear, but not horribly. I had the driver's side warrantied out and put the new one in. My mechanic and I thought I might not have tightened them enough, so this time I snugged down both sides pretty good. I took the Jeep out off-roading again and did some highway driving. It now sits at 146,357 miles. I decided to peek underneath at them. I'm speechless, they're both completely worn out!

130 of the 154 miles on the driver's side link were highway miles. 24 miles of off-roading. Toast.
657 miles on the passenger side, about 50 miles off-road. Toast.

I'll see if I can get some Moogs, but might just end up getting new ones at the dealer. The originals made it almost 146,000 miles...

The Jeep has new Moog coil springs, new Moog Problem Solver control arms, and new Monroe Severe Service shocks.
First pic is the driver's side, 2nd pic is the passenger's side.







2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804606
07/03/18 11:54 PM
07/03/18 11:54 PM
Joined: Jun 2004
Posts: 240
Athens, GA
ctechbob Offline
ctechbob  Offline
Joined: Jun 2004
Posts: 240
Athens, GA
Can you not just replace that bushing with some form of aftermarket high performance part built for your intended usage? Seems like it would come right off and you could pop a new one on there.


2008 Acura TL Type S - 154k
2003 Honda Accord V6 - 207k
2000 Honda Accord I4 - 311k
Current Oil - Milesyn SXR5W30
Current Filter - Partsmaster 61334
Re: Mevotech Supreme Suspension Parts - Junk! [Re: ctechbob] #4804609
07/03/18 11:57 PM
07/03/18 11:57 PM
Joined: Nov 2008
Posts: 9,277
Phoenix
dishdude Online content
dishdude  Online Content
Joined: Nov 2008
Posts: 9,277
Phoenix
Originally Posted By: ctechbob
Can you not just replace that bushing with some form of aftermarket high performance part built for your intended usage? Seems like it would come right off and you could pop a new one on there.


That's some pretty severe use, but the factory parts would have shrugged it off like it was nothing.


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
Re: Mevotech Supreme Suspension Parts - Junk! [Re: ctechbob] #4804613
07/04/18 12:00 AM
07/04/18 12:00 AM
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
Nick1994 Offline OP
Nick1994  Offline OP
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
Originally Posted By: ctechbob
Can you not just replace that bushing with some form of aftermarket high performance part built for your intended usage? Seems like it would come right off and you could pop a new one on there.
I could, but the bottom bushing would likely explode after a while.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804625
07/04/18 02:23 AM
07/04/18 02:23 AM
Joined: Sep 2013
Posts: 10,679
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,679
Indiana
You may want to consider JKS sway bar disconnects.

Thatís a lot of flex to put your sway bar through IMO.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804635
07/04/18 03:33 AM
07/04/18 03:33 AM
Joined: Jun 2004
Posts: 240
Athens, GA
ctechbob Offline
ctechbob  Offline
Joined: Jun 2004
Posts: 240
Athens, GA
Was going to ask, isn't it common to disconnect the swaybars when rock crawling? Seems like an awful lot of abuse on a part that wasn't really meant for that. Not disagreeing that those bushings might indeed be junk, but they are also likely not rubber. Rubber is probably going to give a lot more than the poly that it looks like those look to be made out of.

I'm not a suspension engineer, but I've worked on a fair few. I wonder what Jeep was thinking with that design. How hard would it have been to bend the end of that swaybar 90 degrees and connect it just like the lower connection. Just seems like there is an awful lot of twisting on that bushing at full compression. Doesn't make sense to me...maybe it was cheaper? Anyrate, that's not what this thread is about, just me wondering out loud......

Last edited by ctechbob; 07/04/18 03:43 AM.

2008 Acura TL Type S - 154k
2003 Honda Accord V6 - 207k
2000 Honda Accord I4 - 311k
Current Oil - Milesyn SXR5W30
Current Filter - Partsmaster 61334
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804673
07/04/18 05:44 AM
07/04/18 05:44 AM
Joined: Dec 2011
Posts: 5,093
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,093
North Carolina
I would go rubber on the top bushings and see what happens.

Some parts can't handle poly bushings at both ends, especially on a part made to flex like this. There used to be give at both ends and now there's none at either... I've seen links snap where high quality poly was used at both ends.


"Zed's dead baby, Zed's dead."
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804683
07/04/18 05:58 AM
07/04/18 05:58 AM
Joined: May 2005
Posts: 10,547
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,547
ROCHESTER, NY
It's really a shame what has happened to the aftermarket replacement parts for our vehicles. In regards to suspension parts, when MOOG was so highly respected back in the day, they were all I used when replacing OE suspension parts and they'd outlast the OE part. I trusted that what I was buying(MOOG) to be the best and they lived up to their reputation and I've personally never had to use their Lifetime warranty.

However today, if I want to replace a suspension parts and am going to keep the vehicle for any extra length of time, I have gone and may still go to the dealership to buy OE replacement parts at double or triple the cost. GEE, I hate doing it but sometimes it's the only way/trust.

Same goes for MONROE Shocks/Struts and I say this based on personal experience. They use to be the last shock/strut that I would need to put into my vehicle almost never needing their LIFETIME Warranty. Now, I'm even replacing them every 2-3 years after the OE.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804699
07/04/18 06:26 AM
07/04/18 06:26 AM
Joined: Jan 2012
Posts: 269
Canada
nobb Offline
nobb  Offline
Joined: Jan 2012
Posts: 269
Canada
Were the bushings overtightened? Moog gives instructions to only tighten until the bushings swell, then back off by 1/4 turn. This is also a poor design by Jeep to have the bushing on the sway bar flex instead of having a typical ball socket. Other vehicles, like the Ford Ranger has a similar design, but the OEM bushing has a curved edge to somewhat relieve the stress. Does not make sense in a 4x4 where the wheels could flex quite a bit to have such a design.

Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804702
07/04/18 06:32 AM
07/04/18 06:32 AM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
I'd say upgrade to some sway bar disconnects for your offroading... 24 miles of offroad park on bushings that look like they were designed to reduce highway road flex..

How long would they last without offroading?


2019 Jeep Cherokee Trailhawk 2.0T
Re: Mevotech Supreme Suspension Parts - Junk! [Re: rooflessVW] #4804715
07/04/18 06:46 AM
07/04/18 06:46 AM
Joined: Oct 2014
Posts: 1,349
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,349
NoVA
Originally Posted By: rooflessVW
I would go rubber on the top bushings and see what happens.

Some parts can't handle poly bushings at both ends, especially on a part made to flex like this. There used to be give at both ends and now there's none at either... I've seen links snap where high quality poly was used at both ends.



That's what I was going to say as well.

The ones in the picture are harder and will last longer than many rubber ones. But they can't handle extreme pressure like rubber and bounce back. I use the harder ones as it can slightly firm a ride up. But I would use a very soft rubber for off roading the way the OP uses it.

Just replace the bushings with soft rubber ones and it will probably work fine.


yup
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804741
07/04/18 07:25 AM
07/04/18 07:25 AM
Joined: Jan 2017
Posts: 1,973
VW Fanboy Island
maxdustington Online content
maxdustington  Online Content
Joined: Jan 2017
Posts: 1,973
VW Fanboy Island
I'd go poly: Energy Suspension or Powerflex

What is the point of paying a premium for OEM mushy grandma stock parts? Might as well upgrade them while your are there and disconnect the sway bars when you off road.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4804749
07/04/18 07:32 AM
07/04/18 07:32 AM
Joined: Nov 2006
Posts: 20,564
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,564
MA, Mittelfranken.de
Mevotech is horrible junk and in this case operations are a bit severe which just over taxed the poor quality parts. They need to be softer but not necessarily rubber, there are different durometer shore hardness of poly but those will found on specialty parts.
You could replace the top ones with some from energy suspension and try them or go OE.


ASE L1, Master. Deutsch Meisterbrief.
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4807298
07/06/18 10:52 PM
07/06/18 10:52 PM
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
Nick1994 Offline OP
Nick1994  Offline OP
Joined: Feb 2013
Posts: 11,077
Phoenix, AZ
Well, I took them into my mechanic and he warranteed them out through Parts Authority for new Moog ones.

The Moog's bushings are much harder, a real polyurethane I think. The Mevotechs were pretty soft.

We'll see how they go, if it doesn't work out I'll probably just get sway bar disconnects and have them shortened (they're longer for lifted Jeep's).

It's oily under there from spilling power steering fluid all over since I changed the pump.



2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Mevotech Supreme Suspension Parts - Junk! [Re: Nick1994] #4820716
07/22/18 06:40 PM
07/22/18 06:40 PM
Joined: Jun 2004
Posts: 240
Athens, GA
ctechbob Offline
ctechbob  Offline
Joined: Jun 2004
Posts: 240
Athens, GA
So, did the Moog's work out?


2008 Acura TL Type S - 154k
2003 Honda Accord V6 - 207k
2000 Honda Accord I4 - 311k
Current Oil - Milesyn SXR5W30
Current Filter - Partsmaster 61334
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