thump

Hi, when I start the engine, I hear the starter motor fire over a couple of times and then the engine fires-up. But there is quite a thump noise at start up, followed by the usual running engine noise. In my 3.3L Sonata (similar GDI engine), following the starter motor noise was just the normal...

This morning I had stopped for a red light (first in line) then when it changed, I accelerated moderately (35 mph zone) then at about 30, I had a loud thump from the rear; the sound was similar to a minor real end collision. There is no pot hole or road problem in that area. The remainder off...

I was accelerating away briskly from a stop the other day and momentarily the rev's increased like the transmission was in neutral (it wasn't) followed by an almighty thump as the transmission re-engaged. It was enough to slam my head into the headrest. For a moment I thought I had been...

Hi all - In my 2013 3.8 Premium I've noticed a noise from somewhere in the rear of the car when pulling away from a dead stop. Just as the car starts forward I hear a very slight "tump", as though something in the trunk has fallen over. It's very faint, and no one else has commented on it, but...

Every second or third time I start the car, after a couple of seconds, the audio turns on and I hear a thump in the speakers. Is this unusual or just a design fault ? I have a 2012 R spec with the 17 speaker Lexicon system. I'm taking the car in for servicing soon, but I don't want to have the...

First off, I know this is probably addressed somewhere already, but...don;t know what to search for??!! to find it. Hard description to nail down. I have a 2009 4.6 - had for a couple months now. Here's what's happening. IN the morning, start car, back out of garage, sharp turn of wheel to...