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Time for a survey: Air Spring Leaks... with 402 and without the 402 mod...

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Old 01-08-2009, 07:02 AM
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Default Time for a survey: Air Spring Leaks... with 402 and without the 402 mod...

Kobiwan posted that riding on level one compresses the air springs too much and will cause early failure (I don't agree).

So the follow up to this is that those with the 402 mod would have more failures than those without the mod.

Discuss...
Old 01-08-2009, 07:09 AM
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Default I've always driven about equal time on either L1 or L2. My failure was on L2.

I remember leaving mine on L1 overnite after it started leaking on L2. L1 would not leak. I would think that the leak/wear would be worse on the level it was mostly driven on.
Old 01-08-2009, 07:34 AM
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Default No problems after 25K 20mm down

65K before the 402 mod = 2 front spring leaky and replaced.
25K since 402 mod 20mm down front and rear = no problems yet(knock on wood).
Old 01-08-2009, 08:10 AM
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Have been about 20mm lower for about 50k miles. Zero problems.
Old 01-08-2009, 08:18 AM
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I'm about 18 MM down -since 2003- and ride 80% on L2: 1 front @ 103k another front @135K
Old 01-08-2009, 08:22 AM
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Default without 402 mod...

Replace both Front -55K- Unfortunately NOT Arnott
Will possibly need to replace rear - 62K - due to pothole (?)
with Arnott!
Old 01-08-2009, 08:51 AM
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Default No 402, I drive L2, but my leak was at L1.

I would think that the leak/wear should be worse on the level (fold) it was mostly driven on, also. I drive 90% in L2 and the rest of the time L1 or L3.

Due to bad roads, L1 is dangerous to drive for long here.

I lowered to L1 a couple of days ago, and left it there. I've got to watch where I drive, but my percentage might start to change. I like the new look.
Old 01-08-2009, 08:55 AM
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Default Drivers side front @ 52k, we usually drive in lvl2. It was only a slow leak, would take about 18 hrs

to drop.

No 402 mods here.

And it happened at the most inopportune time. I replaced with a used bag and shock I acquired from Fastallroad.

I have since decided to replace both front and rears from Arnott.

I will donate all the used components to the forum at a reasonable cost.

Also upgrading to ko4's and gutted downpipes, apr diverter valves, apr flash, and giac tip chip, and snub mount.

Next will come new brakes, and pads, but I want to stick with the stock 17" wheels, so I'm looking for rotors that will fit, would prefer slotted and dimpled. Still undecided on which pads to use. I experienced very poor braking while driving thru the Pa. mountains recently and would like to improve the performance of the stock brakes.
Old 01-08-2009, 08:59 AM
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Both fronts, 49K miles, no 402.
Old 01-08-2009, 09:35 AM
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Driver's-side front leaking @ 50k miles; both fronts replaced. ('04 4.2, no 402 mod)


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