Why is the rear wheel moving side to side on ladies venture crystal oversize mtb bicycle?

The most likely reason is that they said they balanced the tyres and didn't!

Chock the front wheels and jack up a rear wheel and spin it. Look at it for up and down movement. Then looks at it from behind as someone else spins and look for bulges and wobbles. Take the top and bottom of the tyre and rock it, push the top and pull the bottom, back and forth see if there is movement? Do the same on the other side.

Then remove the jack and push the vehicle the vehicle as though you were trying to spin it sideways. Does it wobble? It shouldn't move. The next test is harder on a van, you want to see if the rear bounces, are the shocks gone.

talking front wheel brake disc( my crystal is a bit foggy today)any side movement indicates failing wheel bearings
take it to an accredited service center for a proper diagnosis and quote

Slide under at the rear of the back axle and pull the ebrake cable back off at the center of the axle,then push the cables into each of the rear wheels to release.

Lift that tire off the ground. Grab it on the top and bottom. If it moves, have some on watch the lower ball joint. If the ball joint moves, replace it. If it doesn't replace the wheel bearing. If the tire doesn't move top and bottom. Grab the sides and move back and forth. If you feel slop in it, replace the outer tierod. Do this soon, because a lot of vibration could be close to failing/wreck.

Not sure about the Ford Focus issue?? If your motorized bicycle has wire spokes, they should be adjustable. Just tightening the spokes will pull the rim to that side. The opposite when loosening them etc.
If your wheels are of the mag type like a car, then maybe a bike shop can straighten out the wobble without more damage.

Wheel bearings are about 90-140 dollars depending on the brand you get whether Delco or other OEM. Make sure though that the wheel bearings you get are for the right spec of venture as they differ as to whether they are for rear and front wheels, whether yours is Front Wheel Drive or all wheel drive, with ABS or No ABS. I get mine from Rockauto. Their catalogue on-line lists all the different specs.

For 1999 Chevrolet Venture 3.4 liter V-6 VIN "E"



The next time, you will need to pay 1 buck for each cyl.

TY for using Fixya (remember rated and comment this).

well you can remove the front valve cover and check to make sure all the rocker arms are moving if they all move then the cam is not broken if they are not all moving then the cam is broken

Jack up the front end and put stands under it and block rear wheels. Look at axle boots and see if they are cracked. Try turning wheel back and forth sharply and see if you can hear any clicking. Problem could be outer axle joints. If the boots are cracked or you hear a clicking noise you will have to replace the axle. The axle and boot come as a complete unit. Please let me know what you find out.

get a tape measure, and have someone hold it and the very center of the front wheel.and measure to the rear wheel very center. thats your wheelbase.