Join Date: Feb 2009
Location: Saskatoon, Saskatchewan, Canada
Pulsing/Thumping Sound After Shutting Off?
I've noticed a strange noise sometimes after parking my car. After reversing into a spot (although I can't say it's limited to that), I can sometimes hear a rapid, dull thumping sound coming from near the rear of the car. It sounds like something slowly spinning down, and it can take upwards of a minute to stop. By the end, it's "thumping" less than once per second. Has anyone else heard something like this? My first thought was something in the diff, but it seems to be working fine (even when spinning the tires), no strange noises while driving, and I can't imaging that there could be a spinning mass that would take that long to spin down.
It's odd. Any thoughts?
2009 PBM G8 GT
TVS 1900 Maggie w/2.8" pulley (9-10 PSI), Maximizer LTs, High Flow Cats, LS9 injectors, Rotofab CAI, LC-2 WB, 40A KB BAP, TR6ix plugs, self tuned [250+ flashes], Camaro Paddle Shifters, UPR catch can, 4300k HIDs, Remote Start Heated Seat Control Module
, Aeroforce Interceptor Gauge, JBL GTO628's, JL 8w3v3's w/JBL P180.2, Bridgestone RE-11 tires