I would say a(n) engine mount is broke somewhere or your tranny is slippin. Check the engine idle speed and the motor mounts. I don't know quite what you mean when you say "jump", but both of those problems can cause a vehicle to react negatively when you put the car in gear.
pull it out of the box to bypass the centrifuge
Yes, this is normal. It will not pop out in reverse, only drive.
Grand - 1990 was released on: USA: 18 January 1990
The 1990 Grand Am was a popular car. The curb weight of the 1990 Pontiac Grand Am was 2,739 pounds.
Grand Slam - 1990 My Favorite Sociopath was released on: USA: 1990
Grand Slam - 1990 Pilot was released on: USA: 28 January 1990
Grand Slam - 1990 Dog Days was released on: USA: 1990
Grand Slam - 1990 Byte the Bullet was released on: USA: 1990
burnt out lightbulb!
Grand - 1990 The Mother Load - 2.10 was released on: USA: 13 December 1990
Grand - 1990 The Healing 2-3 was released on: USA: 18 October 1990
Grand - 1990 Wolf Boy - 2.11 was released on: USA: 20 December 1990