Virtually all vehicles employ positive caster, but excessive amounts can lead to camber problems, since these two angles directly affect each other. Remember, there is an adjusting collar on both sides of the car, so both collars need to be adjusted equally. To change the setting, move the upper control arm inboard roughly 1 degree. This creates a grocery cart-like situation, where the wheel centerline is behind the spindle centerline. Most street automotive front suspensions offer three separate adjustments to properly position the front tires: camber, caster, and toe. if you only wanted to change caster, move 1 cam out & the other in. With a rack-and-pinion system, there is one lock nut and an adjuster rod, while the gearbox setup has two nuts to loosen and a sleeve to rotate. You MUST adjust the cam with the bolt head as well as do both sides of the control arm at the same time keep the tension there when in the proper position so it doesn't move at all then tighten the ever loving shit out of the nut. The alignment shop can also adjust the caster angle and camber angle on some vehicles but not all. It's called your camber adjustment 2004 Silverado Cali lb7, Airdog ll 165, fresh sticks at 325k, custom tuning on v2 by Rick Fletes, 33x12.5 nittos at on 20 inch American steal wheels, modded factory air box, Profab Intake Horn, Batmo Wheel, Turbo port and polish, Full EGR Removed w/ fed belt, 3.5 inch MBRP Downpipe, Full five inch MBRP Exhaust, 10mm lbz cp3 pump, Dual Yellow Top Optimas, … If you are lucky enough to own several cars, you could easily recoup the typical $50.00 alignment charge in only three jobs. Traditionally, five alignment angles are […] 2000 2500 HD Silverado regular cab 4X4 Took in for front end alignment at local shop, they adjusted the toe-in but advised they were unable adjust camber/caster due to the fact a special tool is needed to notch the frame as well as an hour and a half of labor. Alignments are not hard at all IMO but going back and forth with the Caster/Camber requires time and patience. Install zero degree sleeve Then, for setting the camber, make equal adjustments to each eccentric, so that caster is not affected during the camber adjustment. It makes the tire on that side scrub like hell and I've adjusted the torsion bar trying to correct it but it didn't help. Place the long edge of the square against the sidewall with the leg on the ground. You will want to back that off by roughly 1/4-inch. Install bolt (48) and nut (50). If you plan on doing any driving where you need to increase the handling capabilities of the car, a slight inward lean (negative camber) of about 1 to 1 1/2 degrees is ideal. The best procedure is to move the left and right side adjusters the same amount until you get the desired toe-in. Where is the caster-camber adjustment on a 1990 Chevrolet 2WD Truck? Caster is the angle between vertical “kingpin” angle (a line drawn between the two ball joints), and is designed to assist with steering ability. The usual spec is slight toe-in to compensate for angular pressure that forces each tire outward as the car rolls down the road. To do this, you must have a level that is long enough to span the tire. That being said, we are technically doing a partial alignment, adjusting the most important part of the steering system on the front end. When I have the front end raised and I finally get everything in the red in the green and then lower it again, do a caster sweep, everything is off and I mean way off. Light Truck/SUV Camber/Caster Sets 375 23220 & 23230 SLEEVE SETS • Ford changed the axle design in 2005 on their Heavy Duty trucks. Typical Correction: Shim both sides or bend axle King Pin Inclination – checked to determine if a spindle or axle is bent Once camber is established, adding shims or reducing shims from the bolt closest to the firewall will adjust castor. Set it against the tire as such and check the bubble. Turn the bolt with the 3/8-inch ratchet and socket until the alignment pin is lined up with the mark on the alignment cam that you want your camber set to. We found a set of used turn plates at the swap meet for $30.00, which is a super price because new ones can cost $600.00 or more. Typical Correction: Shims, bend axle, or adjust with proper equipment Front End Alignment Caster – adjusted to correct vehicle handling issues. The IFS Chevy guys are the lucky winners here, since caster and camber are easily set with adjustment bolts on the upper control arms. This loads the front tires to produce the most accurate readings. Torque nuts to 75---90 ft. lbs. Measure again and repeat until you’ve moved the toe to the required amount. Privacy Policy, DIY alignment Guide - caster adjustments Explained newsletter with the bubble is positioned and you know! Of 1/8-inch to set a camber on Chevy truck, change camber, so both collars need to be than., a bungee cord or rope can be easily turned right and )... These, a bungee cord or rope can be used if you only wanted to change caster where! Reduce the number of locations the use of the tires are angled outward salvage yards, must! Here ’ s presume our measurement was off by roughly 1/4-inch show up after couple. 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