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Old 05-07-2011, 08:44 PM   #1 (permalink)
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Air spring

I just took delivery of a 2011 Sienna xle fwd. I carry some gear in the back. Today after picking up a full load of groceries,and two front passengers I noticed the rear end really sagging. Does anyone have any experience with airsprings. They go inside the rear coils andbare inflated manually. They seem like good solution.
Any info from users would be appreciated.
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Old 05-07-2011, 09:31 PM   #2 (permalink)
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Old 05-08-2011, 09:09 AM   #3 (permalink)
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I ordered a set of air lift 1000 air bags through Amazon. I just have to look for a good place to mount the air lines to inflate them easily as needed.
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Old 05-09-2011, 07:47 AM   #4 (permalink)
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I have them and I love them, the Air Lift 1000. I'm planning on doing a video soon explaining how I did it. I wish I did a video of the installation.
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Old 05-09-2011, 08:25 AM   #5 (permalink)
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I saw Sean's work. Very clean.
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Old 05-09-2011, 10:31 AM   #6 (permalink)
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I'm thinking of running my airlines up into the area where the jack is stored where did you terminate yours?

Last edited by Jeff194; 05-09-2011 at 10:35 AM.
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Old 05-09-2011, 12:28 PM   #7 (permalink)
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Do you need a dedicated compressor for the airlift 1000 or could you just use a regular air
pump when needed?
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Old 05-09-2011, 01:30 PM   #8 (permalink)
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Quote:
Originally Posted by Jeff194 View Post
I'm thinking of running my airlines up into the area where the jack is stored where did you terminate yours?
The same panel I cut to install the hitch, I drilled the holes on that.

What I did was have each bag run separate lines. I thought that if I had to adjust to uneven load, it would be better to measure psi from the bags independently.

So after I check my wheels before a long drive, I just check at the bottom of my rear bumper for the two nipples. Fill those up to 35psi (or as needed) and that's it. It's concealed and makes plenty of sense for me putting it there. It's like instead of making 4 stops around my van for each wheel, I make 6 stops with the compressor.

Quote:
Originally Posted by batibot View Post
Do you need a dedicated compressor for the airlift 1000 or could you just use a regular air
pump when needed?
The whole built-in compressor with wireless control is a little too expensive for me. It also doesn't make sense for me because I don't haul trailers like that. I just use a regular air compressor or the one at gas stations.
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Old 05-09-2011, 04:54 PM   #9 (permalink)
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So you're referring to that plastic panel underneath the well where the third seat stores, good idea I didn't think of that. I was also going to use separate lines for the very same reason you did. I am expecting it this week, and maybe I'll install in over the weekend.
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Old 05-10-2011, 07:59 AM   #10 (permalink)
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Quote:
Originally Posted by Jeff194 View Post
So you're referring to that plastic panel underneath the well where the third seat stores, good idea I didn't think of that. I was also going to use separate lines for the very same reason you did. I am expecting it this week, and maybe I'll install in over the weekend.
A few quick tips on the installation:

1) When deflating the bags, and replacing the black cap to prevent air from getting in, don't fold the bags the way the manual tells you to. I don't know how they do it doing it that way, but for me and our cars it was impossible.

They tell you to fold the bag's top and bottom towards each other so that it looks like this: /__\

I find it better to fold it into a "Z" shape instead by folding the top towards one side of the bag's body and folding the bottom towards the other side. This way, when you shimmy it in between the springs, you can snake it through. No need for a spatula or crowbar or whatever.

Once you get more than 50% of the bags through, you have to remove the black cap to let some air in the bags. It's necessary because when deflated the bags' width is wider than the springs. In order to squeeze it through, they need some air in them so they're not as flat and wide.

2) Slide the plastic protection thing on top of the bag. I almost forgot to do this to one of my bags because I was too excited with the install. This plastic disc will protect the nipple from getting crushed.

3) There's a hole on the top of each springs. You'll pass your line through that hole. Don't pass it between the springs for obvious reasons.

Here's a quick illustration I did:


The orientation of the sketch is looking from the bottom of the car from the rear as if it were on a lift.
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Old 05-10-2011, 08:04 AM   #11 (permalink)
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Quote:
Originally Posted by Seanzky View Post
A few quick tips on the installation:
2) Slide the plastic protection thing on top of the bag. I almost forgot to do this to one of my bags because I was too excited with the install. This plastic disc will protect the nipple from getting crushed.
Hehehehe... ^he said nipple...hehehehehe
Yeah, I know... The child came out! LOL!!!
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Old 05-10-2011, 08:12 AM   #12 (permalink)
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Originally Posted by Biggoldfish View Post
Hehehehe... ^he said nipple...hehehehehe
Yeah, I know... The child came out! LOL!!!
Yeah. But no milk. Just to inflate.
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Old 05-10-2011, 05:09 PM   #13 (permalink)
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Thanks Sean, nice diagram. my wife said a box from Amazon came today, so i'll post back when I get them installed, probably over the week end.
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Old 05-11-2011, 07:23 AM   #14 (permalink)
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Quote:
Originally Posted by Jeff194 View Post
Thanks Sean, nice diagram. my wife said a box from Amazon came today, so i'll post back when I get them installed, probably over the week end.
You're welcome. I hope it helps. When you get under your car to install it, the sketch will all make sense.
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Old 05-13-2011, 10:00 AM   #15 (permalink)
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So I got excited and decided to order the airlift 1000 from a local dealer, get on the phone and they tell me they no longer carry or install these products do to the high failure rates they were getting from the airlift and firestone products....but they do carry a product called timbren which they suggested...anyone have some long term results from airlift/firestone products failing, or experience with the timbrens?
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