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Tnmax
01-18-2021, 11:51 AM
When my 2016 S7 sits a couple of days, the front air springs deflate to the point where the tires are tucked well up within the wheel wells. Front passenger in particular. Car probably drops 3+ inches. When I open the door and/or start the car, they inflate back to the normal ride height. I have sport package and drive it in Dynamic which is the lowest setting. Is this air spring sag normal or a sign there's a leak?

Thanks,

gk1
01-18-2021, 12:14 PM
Sign of a leak. Sorry.

Tnmax
01-18-2021, 12:44 PM
I figured as such. Thanks,

core5
01-18-2021, 12:46 PM
If it’s both sides, it could be one of the valve blocks. I’d have to research it a bit.

Tnmax
01-18-2021, 03:33 PM
Thanks. I have a local independent shop (who did my stage 1 tune and brakes) that I'll have look at it. I wasn't too worried since it wasn't throwing codes or triggering a warning light. You'd figure there'd be some sort of "service ride height module.." warning or something. I get blasted for being a 1/4 quart of oil down or low wiper fluid.

P.S. Anyone with a S7, get the stage 1 tune. They are on sale now at APR and really wake up the car to RS levels.

ericw.
01-19-2021, 09:24 AM
Don't leave it for too long. I had a leak in my front right and the constant running of the air pump caused the positive wire to burn up and the pump to overheat.