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Re: Rear Wheel Alignment
In regards to the front wheel, there is little or no adjustment to align it to the frame assuming that the fork tubes and triple trees are not tweaked/bent or loose and that things are torqued to specks.
The unit in the bottom pic gets installed on the rear wheel, in other words the rear wheel is between the two plates in that pic. The dowel with the black sleeve goes through the spokes while the lower one goes beneath the tire to hold it in place.The yellow velcro strap holds the two halves tight to the wheel once installed. The brake pedal is applied to hold the wheel from rotating when it is in proper position.The two rods slide into the ends of those plates and extend forward to the front wheel to center the rear wheel using the adjusters on the rear wheel/axle.
You can also use a wire like a wire coat hanger to make a jig to measure to the center of the rear axle forward to the swing arm bolt center. Take a straightened out piece of hanger and put a small "L" on the end of the wire about 1 1/2 " that would go into the center/indentation in the swing arm bolt. Use a small "O" ring or the like as a slider on the wire and slide it to the center of the axle once the forward end is in place in the center of the swing arm. Measure both sides and adjust accordingly to get them even. This is done also keeping the belt tension in mind too. This system works for most but using the setup that I have, the measurement is much more fine/accurate in that you are extending the rods to the front wheel and turning the rear axle adjusters 1/2 turn will see a big difference when extended 8' or so to the front wheel. I think you can see where I'm going here.
Your best bet is to look in the factory manual, it describes the procedure pretty well.
Run a long straight edge or taut line/ a glass cutting rule at your local glass shop will due if they'll let you, simpl place on front of front tire and and back nof tire then adjust at rear swing arm till all 4 point of the 2 tires touch perfect allignment, i mean absolute or use a lazer rule.
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Hello, If this is a front wheel drive vehicle, the rear wheels may be adjustable and need alignment. You would ask for a 4 wheel alignment at a Repair facility. You need the same tools and alignment rack that normally handles front-end alignment.
Next, there is also a suspension system that allows the rear wheels to tip the wheels in order to stabilize the added weight you may be carrying. Sometimes when you lift the rear wheels off the ground it takes several miles of driving before the suspension recovers and makes the wheel straight again.
Sometimes you can get free estimates for Repair work on alignment work. You need to take it in because even if you replace parts that are worn, you should get a new alignment.
Most FWD vehicles can have a four wheel alignment performed. A 2 wheel alignment is mainly for vehicles that are rear wheel drive. There are exceptions but the 2000 Mercury Cougar is a 4 wheel alignment.
You did not indicate which Model vehicle this is. In general, a car with front-wheel drive has rear wheels which are Independent of each other. This means there is no solid axle going from one side of the car to the other.
The Independent rear wheel is mounted to a strut. The strut assembly is adjustable and gets an Alignment just like the front-end parts do. It must be put on an Alignment machine. Another area which can tilt a rear wheel is a severely worn spindle or wheel bearing.
This would mean the rear strut may be properly in place, but the spindle and bearing inside the rear brake drum or rotor has too much play and is allowing the wheel to tilt. You would hear a loud grinding noise if the bearing is bad.
I do not want you to ignore getting your car checked, but a complete answer includes vehicles which have the rear wheel construction built to allow for the rear wheels to flex in and out depending on terrain and load. These would be the cars where if you jacked them up, the rear wheels would not come down straight. It takes a few miles before the parts level out.
You should take the weight off the one wheel and see if there is play anywhere. The struts can be shimmed and the shims may have fallen out. You may have a rusted strut tower. Once you assure yourself the car is safe to drive for Alignment, thats the next step.
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It sounds like worn out wheel bearings. It could also be combined with separated treads on the tires. If you have backed into a curb and thrown the rear end out of alignment you may have to go to frame shop to correct the problem. If the rear axle is actually bent you may have to replace the axle(no way to realign a bend).
The easiest way to check rear wheel alignment on a Dyna is by the two little "witness marks" on the rear swing arm. These two marks are just forward of the axle. One on each side of the swingarm. Measure from the mark back to the center of the axle on each side. The distance should be the same with the proper final drive belt tension.
As for the rear wheel being "centered" with the frame, the only way to check that is to take the fuel tank and rear fender off, stretch a string from the center of the steering head along the frame on back across the rear wheel. Simply looking at the way the wheel is positioned in the swingarm may be deceptive. The swingarm may not be symetrical due to the necessity to clear the final drive pulley and such. The engine alignment shouldn't have anything to do with the rear wheel alignment.
For something as serious as wheel alignment within the frame, I'd take the bike to a dealer somewhere and have them check it out. On some bikes, there is supposed to be an offset betweent he front wheel and the rear wheel. Use a piece of straight piece of square aluminum tubing to check wheel alignment.
it i front wheel drive so you do not need 4 wheel alignment. There is no adjustment for the rear wheels. It should cost $50 to $60. Call a dealer, call a local shop, call Sears. Go to the best deal. Good luck.
Replace the rear sway bar links or the sway bar bushings. Either or will cause a sway in the rear. If it is one side of the rear is off set . Car going down the road at an angle. Align the back of it...then realign the front.
That's a problem called "toe in" and to properly have it corrected, it needs to go to an alignment shop. You would be able to adjust it (it's adjusted by loosening and resetting certain bolts) but without the alignment rack you won't get it set correctly and could make your car's handling dangerous.