How Can I Stop my Air Helper Springs From Leaking

Question

Question:

found a leak in t fitting, replaced with compression t fitting. not leaking there any more. checked air input valve not leak.. this leaves the bags or the hose to the bags. not sure what to do to stop bags or push fittings from leaking???

asked by: Jeff

1

Helpful Expert Reply:

The most common issue with air bags like the Firestone Coil-Rite Air Helper Springs part # F4135 is the connection of the air line to the other components.

It is recommended to use a spray bottle with soap water to spray each fitting to see which is leaking. Once you have found it remove the air line and re cut it. Make sure to get a very straight even cut. An angled or crooked cut will cause leaking every time. Then place it back in and retest.

expert reply by: Randy B

1

Steven

7/21/2025

Is there a sealant I can put on the couplings to ensuure they stay tight?

Jameson C.

7/21/2025

@Steven There isn't a recommended sealant for that purpose nor is it recommended.

Jameson C.

7/21/2025

@Steven There isn't a recommended sealant for that purpose nor is it recommended.

Answer 1

There's definitely a leak somewhere on your Firestone Air Spring System if the bags are bleeding out after only a few days. It's not too uncommon that the springs on both sides lose air as a result of this. The simplest way to try and locate…

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Answer 2

The maximum air pressure that the Firestone Ride-Rite Air Helper Springs part #F2355 can be filled to is 100 psi. In addition to max pressure there will need to be a minimum of 5 psi in the airbags at all times in order to avoid deformity. The…

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Answer 3

In order to replace the air filter on the Firestone Air Command I Compressor System part #F2158 you will first want to un-thread the filter housing from the compressor. Once the filter housing is removed you can then pry the two sides open with a…

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Answer 4

Hey Bryan, Thanks for the photo and specific info you gave, and if you're sagging to the point that it's affecting oncoming drivers you definitely need suspension enhancement. That much sag is actually going to affect your 4Runner as well…

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Answer 5

First, I have included a link to the installation instructions to the right for Air Lift kit #AL88299 for you. Using soapy water is the best way to find a leak in an air system. If it is leaking at a hose or fitting then replacing that hose or…

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Answer 6

Hey Charles, sorry to hear about the leak. What I would do before doing anything too complicated is for sure narrow down where the leak is. You can do this by spraying soapy water on the bags and the line and where the leak is you'll see…

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Answer 7

The ideal solution to level a vehicle that is sagging when towing a trailer is weight distribution and not helper springs. I can recommend both but for weight distribution you need to go by the total tongue weight. This is the tongue weight of the…

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Answer 8

I reached out to my tech contact at Firestone, and he said that as long as there is no pinching or crimping of the air line, you can install the Firestone Coil-Rite Air Helper Springs rightside up or upside down. They will function the same as long…

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Answer 9

In order to remove the air line from the push connector on the coil air bags, you'll need to use a pair of needle nose pliers and grab the collar on the connector. If you push the collar toward the air bag and pull on the air line at the same…

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Answer 10

I recommend installing the Timbren system #TTORSEQ over the Firestone #F4135. Since you said you occasionally tow or carry a maximum of 3,000-lbs, the Timbren system would be a nice option because you do not have to make any adjustments to the…

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Answer 11

Out of all the air bags we offer I recommend the Firestone Coil-Rite Air Helper Springs #F4135 for your 2023 Toyota 4Runner. I like the Firestone airbags over the other air bags we carry because they're more durable and are constructed better…

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Answer 12

We have two options for suspension enhancement for your 2020 Toyota 4Runner which have pros and cons. The air bag kits like the Firestone part #F4135 have the advantage of being very adjustable which allows you to have the suspension support when you…

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How Can I Stop my Air Helper Springs From Leaking

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