Rear suspension losing pressure

[sui_winbolo]

I had my car parked during winter and since then I've noticed my car didn't have the same stance. So I brought it up to the gas station and filled the rear suspension with under 100psi. I'm not exactly sure how much because my tire gauge I had at the time didn't fit the valve.

It's been a couple weeks and I thought I was going crazy because my car looked like it was sitting lower. Well sure enough I got myself a proper gauge and there wasn't any pressure in the shocks. This time I have around 70psi in them, they're rated for 250psi, with a min. of 25psi. So I imagine having nothing in them didn't help. :x

I also got a valve cover since the other one was none existent.

I'll watch it over the next few days, do you think I'll need to replace them if it's still losing air?

 

[billyjack]

Fill a pump spray bottle with some water and dish soap. Load up with air, and spray the solution around all the fittings, watching for bubbles. Likely you'll find a leak or two at the fittings. You can try tightening them up a bit and test again. Worst case, you may need a new line kit, which is available at most parts stores.

Bill

 

[sui_winbolo]

Mmkay, I'll do that tomorrow, weather permitting of course. Haha

I'll get back to you about how that goes, hopefully it isn't too serious! :x

 

[Blake442]

The plastic lines can rub, age and crack, or the rubber o-rings can dry and shrink, both are common leak sources. Try the soapy water test like previously mentioned, and if there's any leaks, a new line kit is only like $10.

 

[sui_winbolo]

Well this is a pretty new system, only 3 years old roughly, and I checked it out today and I found all the fittings were loose. The fittings attaching to the shocks, and the fittings attaching to the valve stem. On the right shock I could freely twist it with little effort! :shock:

So I tightened all of the plastic fittings and I've been watching it.

I think it's holding air, I put in 90lbs, when I tested it had 85lbs. I found out every time I checked it I let out about 5lbs of pressure. I did that like 3 times in a row, and THAN I finally figured it out. 😳

I'll test it in a few days to be safe.

If I notice that it's still leaking air I'll do the soapy water test.

Thanks for the helps guys!