Could be low coolant in the radiator. Or radiator could have stuff in it and needs to be flushed.
2 hours.
* While driving, the vehicle pulls heavily to the left or right
Yes, you can carry a photocopy of your driving license while driving.
All vehicle makes and models are different. For example, a full size 4 wheel drive Suburban will get from 16-22 mpg (city driving vs freeway driving), while a VW Jetta with a diesel engine will get 38-52 mpg.
No
While driving, the air sup... raises the vehicle up a couple of inches. This is not noticeable while driving but if you stand by (or lean on) the vehicle after parking, you will notice it dropping slowly. Sometimes you can even hear it when it starts to drop. I assume the air sup... makes for a smoother ride......like riding on air.
You can with motorhomes but not with trailers.
reduces the driver's control
Check your motor mounts.
yes
You cannot convert measurements to weights or weights to measurements
No. Because someone can crash if they are not fully focused on driving