Posted on Oct 1, 2003 by sequoiasoon, “Rear LSS = Better Ride?
More from sequoiasoon at Edmunds:”I ordered the QA last year from a dealer in NC after all the NY dealerships said it was not available (and brought it by to show them after). I had to wait the 10 weeks also. The system is actually a different pair of shocks and possibly springs. I went through the factory service manual and describes exactly how they work. The shock has extra fluid reservoirs internal with a high pressure / low pressure setup. It works when you are driving by the action / position of the internal piston. It does work and I have tried it. You will not notice it when you put the trailer on (the rear end will drop) but within a short distance it brings it back up to std ride height. the increased load forces the piston past an internal valve allowing the extra high pressure fluid to move the low pressure side where it is needed to increase the ride height. Once the load is removed, it extends past the valve in the opposite direction releasing the pressure and letting the
