If you have Power Steering, the fluid can be low. the belt driving the pump can be loose, the pump itself can be bad, if front wheel drive, the steering rack can be bad. I would check the fluid and belt tension first.
The left and right side of the vehicle is determined as if you are sitting in it facing forward. Left is the driver side and right is the passenger side.
* While driving, the vehicle pulls heavily to the left or right
It's a problem with either the rack and pinion, or the steering gear, depending on which your vehicle utilizes.
Usually, any time a vehicle "pulls" either to the right or left, it's caused by an alignment problem or worn ball joints.
If the vehicle is left hand drive, it is the right side. If the vehicle is right hand drive, like a horse, it is the left side.
I would say the vehicle on the right is at fault, because the vehicle on the left is a "passing vehicle." You must always yield the right-of-way and keep to the right of a passing vehicle on the left. Or whoever has the bigger vehicle
Have a routine servicing done. They will tell you if they see a real problem.
In a right handed vehicle the clutch is located at the left hand side. From left to right;;;;first pedal at left is clutch and second is foot break and the right leg pedal is the accelerator. In case of left handed vehicle they are in the same relative locations; accelerator on the right, brake in the middle, clutch on the left. Of course the vehicle will only have a clutch peddle if it is a standard shift.
While sitting in the vehicle facing forward the left side will be on your left and the right side will be on your right.For parts on cars with sideways sitting engine/trans. while sitting in the vehicle facing forward the left side of the engine will be closest to the front of the vehicle.The driver sits in the side of the vehicle closest to the center of the road. Therefore, in the US, where vehicles drive on the right, the driver sits in the left side of the vehicle. The reverse is true in the UK, where vehicles drive on the left, the driver sits in the right side of the vehicle.
Your right hand
When your sitting in the car facing forward your right and left arms are the same as the right and left side of the vehicle.
It depends. For example, if the right-front tire were to do this, the vehicle will want to veer to the right because of the increased drag on that corner. Conversely, if the BRAKE is applied after deflation occurs then the vehicle will veer to the left because the left- front tire will now have more drag (on the road surface) than the deflated right-front. In the rear the effect is not as severe because the two front tires have quite a bit of grip and it's hard for a deflated rear to create enough drag for the vehicle to veer dramatically. What DOES happen in the rear though can be disastrous. Let's say the left rear were to collapse suddenly. Most drivers aren't prepared for this situation (sudden, slight pull to the left and overwhelming fear of an accident) and over-correct to the right. The collapse of the left rear redistributes the vehicle's weight on the remaining three tires. Most of the weight now resides on the left-front and right-rear tires. This causes the vehicle bite HARD when steered right due to the increased traction at the left-front tire. Often this causes the vehicle to "trip" itself. This means it steers so hard to the right that the vehicles momentum forward actually "trips" it over the left-front tire as well as the left rear which, by now, will usually be digging its wheel edge into the road since the flattened tire has most-likely been pushed off the wheel. Hope this helps and wasn't too much of a ramble:)