i have a auto vt s1 v6 the problem is when it is warm say i was to go to a drive throu for food you have to creep up very slowly i get a loud pop coming from under the car it feels like it is coming from the tranny a pop which you can also feel throu the car it also does it at lights and as i drive into my drive way but it only does it when as i said creep i give it a tap and pop it does not hapen all the time i have had it checked by a auto trans place and they said the trans is ok they also had a look at the drive it seemed ok to can n e 1 HELP CHEERS