First thing in the morning start up let warm couple of mins. then reverse no prob then drive and the front end vibrates bad even just for a couple of feet. the faster yu go kinda stops. there when ya turn to. goes away when it warms up got any clues. can tell you when the tires are off doesnt do it when it has hung in the air then dropped it wont do it for about 3 or 4 weeks then its back ????????? ive checked ball joints and everything in front end stumped in AZ

could be the transmission, a bad axle or bad wheel bearing, if it was the tire it would do it even before it warmed up

A couple of things to check. It may be a wheel bearing, shock, cv joint, or a very common cause is that one or both of your back tires are worn irregularly. This causes the car to shimmy and get progressively worse as you have explained. It usually happens on the front end of the car, but can occur in the back.

actually, it's most likely a differential problem. if the pinion or worm gear id missing a spur, it will vibrate and grind until enough oil covers them to stop the friction...usually after 10 min or so. what they will do is use a micro lubricant that seeps into the metal to keep it lubed up even when the oil has settled to the bottom of the case, this will at least quiet the grinding for those 10 min or so until the inevitable happens and the gear shatters because of vibration, wear, etc.
if its in the front, youll still be able to drive, but only in 2WD and you will hear a loud grinding/rattling, very unpleasent sound, from the front end. have them open up the case and look at the gears instead of assuming, its 10 bolts for gods sake so they need to do their job and WORK! dont let them toss you aside, tell them what you want...sometimes thats what it takes.

There are a couple of things to cause metallic sounds when turning. First thing, is if it's a clicking sound when you turn, then you have a cv joint going bad. It's usually more prominent when moving in reverse, however it can happen just as well while moving forewards. Secondly, if it's more of a grinding or scraping noise, we have a couple of options. The sound could be coming from the brakes, if they're worn or have grit stuck in them, or it could be bad bearings in the front wheel hub. The wheel hub has a tendency to making a whining noise when driving; usually most easily heard when driving past buildings. They can also allow the tire/wheel to present the appearance of leaning when looking at it. If bad enough, it can even rub on the brake caliper, or cause the disc brake rotor to wear out the brake pads prematurely. So, to recap: Check:
CV joints, if a clicking sound brakes or wheel hub bearings if grinding or whining sound.

try changing your spark plugs they are prob worn out if not then try your leads?

check balance of tires; if ok, have rotors refinished or replaced; most likely warped rotors if you can feel it in the brake pedal when braking

A bad tire, a loose wheel, a loose tie rod end, a bent rim, (tire balance at higher speeds), a piece of rust or whatever caught between the rim and brake rotor, or between the brake rotor and hub. Have you done anything to it prior to this starting?

I had this issue and it was one of my winter tires about to blow out, showing signs of weakness.. hopefully this helps!

Try this . Find an empty stretch of road . Accelerate teh vehicle to 30 mph ,while you switch the transmission INTO NEUTRAL, making sure there are no other vehicles in or behind your path. Listen and feel for your problem. Still feel it ? I would raise the vehicle in the air, and inspect ALL 4 TIRES for OUT OF ROUNDNESS. Cupping will not only cause a vibration, but also a noise. Hope this helps.

reverse requires more hydraulic pressure to hold it in reverse. Maybe you have a partially plugged filter that the thicker, cold fluid can't get through. The whirr could be the pump in the trannie being dtarved for fluid due to being plugged. Otherwise, you may have a bad clutch or band for reverse that requires a trans overhaul. good lcuk.