3rd Jun 2011, 21:03

I found out the thumping noise is some type of vacuum pump that helps check for vapor leaks in the fuel tank. My mechanic told me it is activated when you are below 1/2 tank. I have always wondered what this was, and now I can sleep. As for the spongy steering and brakes... I don't know.

31st Dec 2011, 16:21

I hate to tell you this, but the Equinox is the replacement vehicle for the Chevy Tracker, Pontiac Sunrunner, and also the Saturn Vue, which were all Japanese made by Suzuki.