See WHEEL ALIGNMENT SPECIFICATIONS. Add additional weight if necessary to simulate a full tank. Inspect the wheel bearings for backlash and excessive play. Z Height Measurement 1. Follow the equipment manufacturer's instructions. Push the front bumper of the vehicle down about 1. Do-It-Yourself Wheel Alignment Guide.
How Wheel Alignment Is Done
There is no adjustment procedure. The front suspension Z dimension is indicated in Trim Heights. Continuing to drive and ignore such symptoms will only make the condition of your tyres, steering, and handling of your vehicle become worse. Move to the front wheels, adjust Castor, adjust Camber and finally front Toe.
Procedure Of Wheel Alignment
Caster is also not adjustable for most front wheel drive vehicles. In general, if you can grip each wheel firmly and shake it without feeling much looseness–either horizontally or vertically–things are in pretty good order. 6: Locating Cam Adjuster Bolt FRONT TOE ADJUSTMENT 1. STEP 4: Read the Toe scales to calculate the rear Toe, remembering that as the heads are reversed the reading will read the opposite way. Procedure of wheel alignment. However, if the setting exceeds the service allowable specifications, correct the alignment to the service preferred specifications. If normally carried in the vehicle, these items should remain in the vehicle during alignment adjustments. Make sure the rear compartment is empty except for the spare tire. The best solution is to get it checked regularly. 1: Measuring Z Height Z Height Adjustment. Jounce the front and the rear bumpers 3 times prior to checking the wheel alignment. SPECIFICATIONS WHEEL ALIGNMENT SPECIFICATIONS Use illustration for wheel alignment specifications.
Step By Step Wheel Alignment Procedure Pdf Full
Official factory workshop manuals also supply the information, but they often go into more detail than we need, and they usually cost more. ) Measure the Z dimension. With the aid of your cohort, measure the distance between the lines on the fronts of the tires at points level with the spindles. The D height is obtained by measuring the distance between the edge of the jounce cup along the jounce bumper center line and the jounce pad on the rear axle. Frame angle is negative when lower in the rear. Inspect the vehicle trim height. Inspect the ball joints and tie rod ends for looseness or wear. See FRONT TOE ADJUSTMENT. See the car diagrams in the image gallery. 4 Wheel Alignment Explained | Commonwealth Motors. Give consideration to excess loads, such as tool boxes, sample cases, etc. Rotate the inner tie rod to the required toe specification setting. When the caster and camber are within specifications, adjust the toe. Adjust the toe by loosening the lock nuts on the tie-rod ends next to both spindles and taking up the desired adjustment equally on each side to keep the steering wheel centered. Before performing any adjustment affecting wheel alignment, perform the following inspections and adjustments in order to ensure correct alignment readings: Inspect the tires for the proper inflation and irregular tire wear.
Step By Step Wheel Alignment Procedure Pdf Free
For an accurate reading, do not push or pull on the tires during the alignment process. Repair may require replacement of suspension components. Wheel Alignment can be thrown off by: Consequences of camber misalignment: Reasons for camber misalignment: Did you know? Seven basic steps for wheel alignment. We recommend an alignment check with every other oil change. The toe will be expressed as a range, usually in inches or millimeters. Measure and adjust the caster and the camber with the vehicle at curb height. STEP 6: All Toe and thrust angle readings can be seen when you are standing under the vehicle. We cannot view a misalignment purely by the naked eye.
Seven Basic Steps For Wheel Alignment
Is the direction of your vehicle pulling to another side? TRIM HEIGHT TRIM HEIGHT MEASUREMENTS Trim height is a predetermined measurement relating to vehicle ride height. Before you start measuring, park your car on a flat section of asphalt with at least 10 feet of clearance in front, jack up the front end, and place it on jack stands. How to perform wheel alignment. Consequences of caster misalignment: Did you know? Inspect the struts/shock absorbers for wear, leaks, and any noticeable noises. Ideally, tires should wear evenly across the thread. Measure from the pivot bolt center line (3) down to the lower corner (5) of the lower ball joint (1) in order to obtain the Z height measurement (4).
The good news: Caster and camber don't usually need to be adjusted unless the car's been in an accident, and they're only adjustable by extreme means (such as bending a part) on many cars. If your front end checks out in good condition, you're ready to align. See TORQUE SPECIFICATIONS. Inspect the steering gear for looseness at the frame. Do-It-Yourself Wheel Alignment Guide – Mother Earth News. Incorrect trim heights can cause bottoming out over bumps, damage to the suspension components and symptoms similar to wheel alignment problems. For vehicles without torsion bars, replace damaged or worn components as necessary. The camber on most front wheel drive vehicles is not adjustable. Check out our wheel alignments click here. Do not reinstall the cam insert. The caster and camber adjustments are made by rotating the offset cam bolt and the cam in the slotted frame bracket in order to reposition the control arm NOTE: Before adjusting the caster and camber angles, jounce the front bumper three times to allow the vehicle to return to normal height. Allow the vehicle to rise.
Once the vehicle type is determined, the high tech and precise measuring begins. Inspect vehicle load: Inspect the fuel level. Check the Front End. Sagging rear coil springs. The vehicle's toe is the most critical alignment settings that affect tire wear. Spin each tire, and scribe a thin line near the center of the tread with a pocketknife or scribe. Poor alignment causes uneven wear and can shorten a tire's life by thousands of kilometers. Determine the positive camber (2) or negative camber (3) angle. Positive caster gives the wheels an inherent tendency to center. Unless your car has unusually large or small tires, you can figure around 1/32 inches for each 10 minutes. With the car still on the jack stands, follow these steps: 1.
If you imagine this line extending to the ground, the point of contact will be in front of where the tire touches the ground. A lot happens over the course of 10, 000 km.