Ended up being a broken outer right CV joint. Interesting because it really sounded like the pop was coming from near the driver side. Overall, it wasn't too bad. Cost about $200 to have it fixed.

Update on this, the occasional popping sound very quickly escalated to a constant loud grinding when making turns. Shortly after (within 2 miles) something finally gave under the car and now it does not move when put in drive or reverse, it just makes a really loud grinding sound until put back in n...

Recently my 2006 Vibe has developed an occasional steering wheel shake which seems to get worse at low speeds. The shaking only appears to stop after making a sharp left hand turn which is accompanied by a loud popping sound. On one occasion, there were three loud popping sounds during a left hand t...