Hi my 2001 lincoln navigator drives fine it is just when i ride over bumps in the road the front end hits the bumps very hard like i does not have any air in the shocks the rear hits hard to i drove lots of cars and i drove my friends navy and his drives over bumps and **** them up it does not hit hard at all i have an appointment to get the second set of front air shocks and rear shocks put on is there a posibilty that they are filling up with to much air i need help

Cars & Trucks - Lincoln - Navigator - 2001 Lincoln Navigator