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Old 09-05-2012, 01:53 PM   #1
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Air bag question

I installed a set of Firestone air bags in my 2012 Toyota Tundra and when I go camping for the weekend I set the bags at 40psi and when I get home after a weekend trip the bags are down at 25psi. Is this normal to lose air when loaded?? I also set my air bags to 40psi with the trailer on the truck, should I be doing this before or after the trailer is on?

I did not get the compressor setup with mine, I just have the fill valves in the rear licence plate.
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Old 09-05-2012, 01:58 PM   #2
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Originally Posted by CalgaryCamper
I installed a set of Firestone air bags in my 2012 Toyota Tundra and when I go camping for the weekend I set the bags at 40psi and when I get home after a weekend trip the bags are down at 25psi. Is this normal to lose air when loaded?? I also set my air bags to 40psi with the trailer on the truck, should I be doing this before or after the trailer is on?

I did not get the compressor setup with mine, I just have the fill valves in the rear licence plate.
Not normal ! You have an air leak.
You have to play with air pressure to fit your needs.
If you put 40 psi in unloaded you will get a higher reading loaded.

Example
If you put 40 psi unloaded you could have 60 or 70 psi loaded.

You just have to find right psi when loaded that is comfortable and sits vehicle and tt right
Ron
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Old 09-05-2012, 02:01 PM   #3
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Originally Posted by f1100turbo View Post
Not normal ! You have an air leak.
You have to play with air pressure to fit your needs.
If you put 40 psi in unloaded you will get a higher reading loaded.

Example
If you put 40 psi unloaded you could have 60 or 70 psi loaded.

You just have to find right psi when loaded that is comfortable and sits vehicle and tt right
Ron
I think OP said he had 40# loaded and 25# unloaded which is normal.
If he had 40# loaded and 25# loaded on the return trip, then YES, he has a leak.
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Old 09-05-2012, 02:23 PM   #4
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Guess we need clarification
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Old 09-05-2012, 02:47 PM   #5
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I keep mine at 5 PSI unloaded. I measured the distance from the ground to the wheel well and recorded it. Connected the trailer and pumped till I was at the same measured distance on each side. It took 60 PSI to get to that point. Yes it also seems like you have a leak. Splash some soapy water on the fitting and you should find it.
Wally
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Old 09-05-2012, 03:15 PM   #6
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They are at 40# loaded and when I disconnected the truck from the trailer and went to air them down to 7# I noticed they were at 25# unloaded
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Old 09-05-2012, 03:22 PM   #7
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They are at 40# loaded and when I disconnected the truck from the trailer and went to air them down to 7# I noticed they were at 25# unloaded
That would be normal. When I am hooked up, I run 65# and when I unhook, they will read 50# or a little less.
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Old 09-05-2012, 08:55 PM   #8
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x2 normal.
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Old 09-05-2012, 08:56 PM   #9
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Your all good !
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Old 09-05-2012, 09:24 PM   #10
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Thanks everyone, was a little nervous
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