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#513873 - 12/11/05 05:42 PM 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Finally found something that works well for me. I bought a kit from Timbren . Its just a big rubber spring that goes between the axle and the frame (in place of the factory bumpstop). It works awesome! It rides like normal most of the time, but on the occasional big bump or when carrying a heavy load, the rubber spring supports the weight. No more bottoming!

Here's the complication. They don't yet make a kit that really fits. The one they list for the 05/06 Xterra is the TORTUN4. I have no idea why they list it, because this kit is for spring over axle, and we have spring under. IT WILL NOT WORK! So what I did was make my own mounting bracket and used the TORTUN4 rubber spring. The rubber spring mounts to the bracket, then the bracket bolts in place of the factory bumpstop. It leaves about 3/4" space between the axle and the rubber spring, which is what Timbren specifies.

FYI, before this I tried bolt-on help springs and they were WAY too stiff. These things are awesome!

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#513874 - 12/11/05 06:36 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Awesome! How much does that kit run? I could use that, because when people are in the back and it bottoms out I feel like a moron. You would figure a 4 door suv wouldn't bottom out with 4 people over bumps!

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#513875 - 12/11/05 07:03 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


The kits vay between $150 and $200. I don't know if you can buy just the rubber spring and figure out the bracket yourself. I got mine from Michigan Truck Spring in Saginaw, MI. Good place to deal with. WAY better prices than the local autoparts stores.

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#513876 - 13/11/05 07:49 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Good work. The more I think about this, the more I wish Nissan would step up to the plate on this monster design flaw. I want to take the Xterra to Baja at Christmass, but going 5mph when my Titan could go 65mph and my Montero 110mph, is just plain silly. I was going to a spring shop. I will check around on this new lead though. Hopefully it holds up? But designed for heavy duty trucks it should. Good work. [ThumbsUp]

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#513877 - 13/11/05 08:11 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


These things have been around for years. Their major use is in IFS truck with snowplow. My brother in law owns a Carquest store in Northern Michigan and he said 90% of the guys with snowplows on IFS truck buy them. He's never seen any problems with any of them. The rubber is 1"+ thick. I think they'll hold up fine.

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#513878 - 13/11/05 08:27 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Thing is tho, are these things going to limit the ability to flex so much. If it limits the upward travel on one side, doesn't that limit the downward movement on the other side?

I think I'm going to hold out for an upgraded springpack from SLR or somethin.

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#513879 - 13/11/05 09:32 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Why would it limit flex? Its going to let the axle travel further upward than with the factory bumpstop. It has no effect on downward travel.

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#513880 - 13/11/05 03:56 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Travel was my next thought as well. Thats cool if you are correct

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#513881 - 14/11/05 06:41 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
fastdrmr Offline
Member

Registered: 29/11/01
Posts: 1697
Loc: SLC, UT
From looking at the GIF on their site it looks like the rubber replaces the exact space that the rubber bump stop does. That said, you are not going to limit the little travel you already had, but in fact increase it during the rubber compression.

knaffie... if you have a moment... flex out your X to where the tire is stuffed all the way, the rubber should be fully compressed. There is probably some rubbage happening in the rear wheel well. Also, what size tires are you running?

There has to be a reason that the factory designed that size of bump stop. With my 33s I know that under full flex I am rubbing in the wheel well... using this rubber spring may increase that rubbage and possible cause more damage than its worth.
_________________________
KE7AEY
Those damn voices in my head... gotta get DIRT!

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#513882 - 14/11/05 06:48 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Glad somebody realized that these things INCREASE flex, not limit it! But in my case, it doesn't just replcase the bump stop, but increases the whole area of what was the bumpstop and the mounting bracket.

I'll be at Fabtech until Tuesday night, so maybe Wednesday I'll flex it out and get some pics.

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#513883 - 14/11/05 07:55 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


knaffie,

Did you look at any of the other kits to see if they would work. Such as the pre '05 Xterra or the 'O5 Frontier?

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#513884 - 14/11/05 08:02 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


I talked directly with their technical support guy. He sent me a kit that I think was for the older Xterra and the rubber spring was so long, it wouldn't even fit betwen the axle and the frame. He did his best to find one for me that would bolt right in, but it would appear that none do at this point.

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#513885 - 14/11/05 08:12 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


knaffie, can you post some picture of your bracket and how it's mounted?
Thanks

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#513886 - 15/11/05 06:29 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


We should encourage them to develop something, since they are selling, what 15,000 trucks a month with a bad rear suspension? They could sell some! Heck the salesman could just hand out a card when they leave the dealer in there new X. Guess I will see if this can make Baja doable.

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#513887 - 16/11/05 03:09 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


I'll try to get out today and get some pics, but its raining again.

I just emailed the salesman at Timbren and he said they are completing the 06 catalog and the error will be fixed soon.

Also asked him if anything will be available soon. I'll post the reply when I get it!

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#513888 - 16/11/05 11:14 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Here's what I got out of them. Apparently this Jeep kit fits. Part number JRC01. Their website will be updated shortly to reflect these changes. Here is a screendump of the info for this kit.


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#513889 - 16/11/05 11:20 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


The bracket I made is very similar to what is shown here, except I welded the round plate with the washer welded to it right to a piece of 1/2" thick flat stock.




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#513890 - 05/12/05 03:10 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
snowbum007 Offline
Member

Registered: 27/10/01
Posts: 73
Loc: Woodland Park, Colorado
Anyone else tried this yet? I also noticed this problem and am curious about this solution. I also noticed the link to the specific part # is not working. Is the JRCO1 still the correct part number, or has there been a change?
Kurt

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#513891 - 05/12/05 03:17 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


JCR01 came directly from the rep at Timbren a few weeks ago.

I still love mine. I had a 300# welder in the back and pulling a trailer with about 200# tongue weight and it was smooth as could be.

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#513892 - 06/12/05 12:13 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Is says that this kit is for the 4X4. Will this work for a 4X2 also? knaffie, what do you think about getting it for the front also? I know that the front may seem a little unnecessary, but if this works like you say it does for the rear, I'm thinking why not spend a $ to upgrade the whole ride (both front and back).

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#513893 - 06/12/05 03:54 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Knaffie, do the kits for the rear come with both sides? So all you need is $150.00, install it and you're done?

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#513894 - 06/12/05 06:40 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


I have no problem at all with the front. Why waste the money unless you want to snowplow.

Yes, $150 does both sides. 10 minute install max! Worth every penny!

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#513895 - 06/12/05 08:23 PM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


Ordering mine tomorrow. Need them to survive Baja at Christmas. Somehow 1000 miles of slam, bang at 20mph aint going to cut it [Freak]

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#513896 - 07/12/05 08:36 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
snowbum007 Offline
Member

Registered: 27/10/01
Posts: 73
Loc: Woodland Park, Colorado
If we go this route and then Nissan desides to do a recall, I assume we will not be reimbursed the $150 we spent to fix the problem? Further, if they do decide to fix the problem, will we have to do it in order to keep our warranty? I'm guessing it is not likely Nissan will do something about this but wondering what everyone else thinks. confused

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#513897 - 07/12/05 08:52 AM Re: 05 OR....rear end bottoming is now GONE! ******updated 1/4/06 with flex pics
Anonymous
Unregistered


I highly doubt there will be a recall. And just about positive you would not be reimburssed the $150 you spent. Look at it along the lines that if they would come out with a recall and fix this "problem" I doubt it will be as good of a solution.

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