Air strut gone bad?

Bryan Jones

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Added the sya bump stop kit on with the straps, after compete install tried to raise the truck, the rear end raises, but not the front. Mainly the passenger front. The driver front raises a little, but not much. It also sounds like there's an air leak. I've pull the strut out and checked the air connections, they all seem good

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greiswig

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If it was raising before the SYA kit but not after, my bet would be on a leaky connection. I know you checked, but…pretty coincidental. Other possibility might be a cracked hose, but more likely a leaky connection. Happy hunting!
 

Bryan Jones

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I've checked the brass fitting, and the quick connect, any other places I could check?
 

greiswig

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I've checked the brass fitting, and the quick connect, any other places I could check?
If you can make it leak without the engine running, use a stethoscope to help isolate where the leak is coming from.

Check out this thread, which outlines a good way to narrow down which component may be leaking.
 

Bryan Jones

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If you can make it leak without the engine running, use a stethoscope to help isolate where the leak is coming from.

Check out this thread, which outlines a good way to narrow down which component may be leaking.
How would I do that? Jack it up and turn the truck off, then remove the jack?
 

jlach993

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open up the front passenger plastic fender wheel lining to gain access to the front valve block. Spray it down with soap water and check for leaks when its raising. I know you did work on the rear, but it could be a coincidence that your front valve block was on its way out and the repeated stress of raising the rear to add the bump stop kit caused the truck to self level a lot and adjust. That stress must've been the last straw for the front valve block. Both sides of the front are lowered?

Heres a link to what you have to do to find the block. Its the same for the LR4
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Pretty sure thats your issue. Start watching from 2:30
 
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Bryan Jones

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open up the front passenger plastic fender wheel lining to gain access to the front valve block. Spray it down with soap water and check for leaks when its raising. I know you did work on the rear, but it could be a coincidence that your front valve block was on its way out and the repeated stress of raising the rear to add the bump stop kit caused the truck to self level a lot and adjust. That stress must've been the last straw for the front valve block. Both sides of the front are lowered?

Heres a link to what you have to do to find the block. Its the same for the LR4
xc_hide_links_from_guests_guests_error_hide_media

Pretty sure thats your issue. Start watching from 2:30
The entire front is on bump stops, but it looks like the passenger front is slightly lower for some reason. But I will definitely try this
 

Bryan Jones

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The passenger front air hose coming from the truck was leaking air at the quick connect. Unplugged it, reinserted, and the leak stopped. Thanks for all the advice, if anything happens now, I know where to check
 

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