How quickly after ignition switched off should stored air be expelled from the pump with s/l suspension.
Reason I ask is the rear end of my Elite seems to still be sitting high despite replacing both the rear axle sensor and the compressor.
When I switch ignition on first thing in morning and start car pump cuts in for about 10-15 seconds and pushes air into the suspension and rear moves up.After days drive with several stops and restarts ,when parked up on driveway the rear end seems to be sitting very high and stays that way until either I remove an air pipe and let the air escape or leave the car overnight when it does seem to have dropped but only slightly.
On restart the following day all starts over again and rear end sitting as if the car is "jacked up".No this cannot be normal and am becoming paranoid about the suspension.Springs and shocks replaced about 3 months ago with genuine GM shocks and KYB springs.
Help please guys .