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I have a 2015 Spyder RT Limited. Recently I put an air gauge on the suspension system by attaching it to the schraeder valve under the seat (screwed on type gauge). I monitored the pressures over a week period and here are the PSI's I got > Sunday 50, Monday 49, Tuesday 47, Wednesday 46, Thursday 44, Friday 43, Saturday 41, Sunday 40. So as you can see, the system lost 10 psi over a week period, in a heated garage for the whole period, never sat on, and gauge never disturbed/removed from Schraeder valve). Have any of you ever monitored and noticed the drop in pressure when your Spyder is parked? Is this normal?
 

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The automatic air suspension is based on the ride level of your Spyder. I have found that pretty much every time that I ride my Spyder, it will pump up the air suspension. The suspension will add/release air as necessary to maintain the ride height. For example, if my wife dismounts, as soon as I move again, it will release air, or if she gets on, it will pump in some air.

Also the overall volume of the air system is pretty small, much smaller than a tire. The simple act of checking the air pressure will affect the remaining air pressure. Try checking the pressure 10 time in a row, you will probably see a difference.

In short, I wouldn't worry if I was you.
 

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Dave thank you for your reply. I understand that if you keep taking readings with a gauge you lose air every time and that will affect the reading but in my case I attached a gauge that screwed onto the schraeder valve and left it on there for a week constantly monitoring the pressure and observed it daily to take readings so there was no pressure loss from taking readings.
 

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Air Pressure drop

I have a 2015 Spyder RT Limited. Recently I put an air gauge on the suspension system by attaching it to the schraeder valve under the seat (screwed on type gauge). I monitored the pressures over a week period and here are the PSI's I got > Sunday 50, Monday 49, Tuesday 47, Wednesday 46, Thursday 44, Friday 43, Saturday 41, Sunday 40. So as you can see, the system lost 10 psi over a week period, in a heated garage for the whole period, never sat on, and gauge never disturbed/removed from Schraeder valve). Have any of you ever monitored and noticed the drop in pressure when your Spyder is parked? Is this normal?
One of the problems with the compact air compressors, like the RT uses, is the lack of a positive air pressure check valve.
The air pressure is checked on the existing pump with a small amount of spring pressure to hold the valve against the seat. In my opinion, the only sure way to control the leak down is to install a good pressure check valve. Many companies make check valves, but if you shop around and are willing to go digging you can find this type of valve in the auto junk yards. Many high-end cars use air suspension systems, so finding a valve is a piece of cake.

You might do yourself a good turn by contacting an air compressor shop.

Good Luck


Larry
 

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air ride

I have the same problem on a 2012 manual fill, dealer says no problem--I say problem when I have to fill every time I ride.
 

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You may have gotten a piece of dirt under the airbag that has rubbed a pinhole in it thus causing a small,slow leak. It gets very dirty down there.
 

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I would check the schrader valve itself & make sure that the inner core is tight. There is a special tool for this, available at any auto parts store. And, make sure you have a metal cap with a rubber gasket in it, not one of the cheapo plastic caps that don't seal well.
 

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This is my first time using this forum. I purchased a new 2019 Spyder F3T this past May. I routinely (every couple of weeks) need to add air to the rear suspension. I set it to 60psi, and after a couple of weeks it may be 50psi. I have never had anything on any other vehicle lose that much air in two weeks. Help.
 

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I would look at taking it into the dealer to have your issue addressed under warranty.
THIS.
You have never had a system similar to this on any other vehicle......probably.
Definitely a warranty visit is in order.

It might be temperature sensitive.
 

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air compressor

My (2014 RT-S) air compressor for rear suspension quit working, has anyone replaced theirs with a Viair 98C Compressor, the orginal one would cycle on and off every time we would come to a stop which is normal I guess but mine was really loud , now it quit working and on the dash, it says (manual) when I push the suspension button to set the ride.Thanks Gary
 

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the orginal one would cycle on and off every time we would come to a stop which is normal I guess
Not normal at all, I think.

But I would be uneasy about putting on a different compressor without knowing if it is 100% compatible.
 

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Anyone have instructions on running airline directly from bag to shrader valve?
I don't understand the question.

The valve stem under the seat IS connected to the air bag.....but I don't know how directly.

Are you really asking how to convert the system over to manual operation......and bypass the compressor ??
 

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I don't remember seeing that discussed before.......on any Spyder forum.

You might be on your own here.
Find the hose to the shrader valve.
Find the hose to the air bag.
Figure out how to connect the two.
 

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I replaced my compressor in my 2012 RT with a Viair 97C in June and it has worked like a champ ever since. Also had to put a couple ounces of Green Slime in the bag because I had a leak. Must say it was a real pain repair for an old man like me. If the compressor ever goes out again, I think I will simply put in a new airline from the schrader valve to the bag and fill it manually. However I did put some quick connects in the wiring harness to make a change out of the compressor easier next time
 
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