In this scenario, you’ll notice your vehicle always pulling to one side during normal driving. The only real "downside" with positive wheel caster is that the steering wheel is harder to turn at slower speeds such as maneuvering around a parking lot. Reduction in performance due to zero camber. I've heard of alignment techs adding a tiny bit of toe to compensate for road crown. Discussion in 'Suspension' started by Khoolguy, Feb 24, 2015. I'll get the hub to fender measurements tomorrow. I just had new tires installed and I had the alignment adjusted. By Yohann Printer | Caster Problems, Caster Technology | July 31st, 2019 | Comments (2) Although casters are one of the smaller parts that make up a material handling cart, they play an integral role in how that cart will move efficiently and safely. front wheel alignment problems. Incorrect wheel alignment can cause all sorts of problems for you behind the wheel. This issue is also fixed on an alignment … Problem: Vehicle Pulls to One Side. PongMoji / Getty Images. There are actually seven angles that determine the alignment of the front wheels: toe, camber, caster, steering axis inclination (SAI), included angle, setback and toe-out on turns. Caster is a stability angle, measured in degrees. Basic Wheel Alignment Fundamentals - Continued caster. Yeah it drives pretty stiff in front, so I'll lower the preload but dont know what to do with the rear, maybe sell the leafs and put my stock back on with add a leaf ? Wheel alignment caster. If the upper pivot point is directly above the lower pivot, the wheel has zero degrees of caster. Below is a list of the alignment settings that are important for a wheel alignment technician to know about in order to diagnose front end problems. The car drives straight down the road, but my problem is that I think the wheels are set back in the wheel wells. Tires that are not properly inflated may actually be the cause of your performance issues, so … The first technique is the quickest and fastest way to measure caster and can also be done trackside which is especially useful if you are tuning your caster on a track day or whilst racing. I have aligned many old cars at 1 1/2 to 2 degrees positive caster with good results. Camber, Caster & Toe. I installed a 3 lift on my 2011 Tacoma with Icon Shocks and Camburg 1" uniball UCA. Viewing the tire from the side, caster is the forward or rearward tilt of the tire and applies only to the front tires in most cars. The car drives straight down the road, but my problem is that I think the wheels are set back in the wheel wells. Caster is only set on the front suspension of your car. The main reason that casters fail in the field is the load capacity applied to the caster exceeds its rated capacity. Your alignment shop could also check steering axis inclination if there is any reason to suspect bent parts. Generally you want as much positive caster as you can reasonably get so long as the car is equipped with power steering. Alignment Caster Problem? What is a side effect of positive caster? Check out the caster illustration to help understand this alignment characteristic. Possible Cause #2: Vehicle out of alignment, typically uneven caster … The car drives straight down the road, but my problem is that I think the wheels are set back in the wheel wells. It's not easy driving around with a shifted steering wheel or a car that pulls to one side. Jan 30, 2020 #1 Greetings from Germany, I would like to ask you for help. What is wheel caster? www.pathfinders4x4.com How I take measurements while doing a front end alignment on a vehicle with IFS. The specifications in the chart are for the front of the vehicle. If the caster is out of adjustment, it can cause problems in straight-line tracking. The steering is definitely lighter and takes less effort to make a turn making me think that I’ve lost some caster (or gained some caster whatever the case may be). Check your tire pressure. Toe angle geometry can also be greatly ­affected by changes in suspension height. The truck has very little caster but is done correct with around .50 difference from right to left with the higher setting on the right. Driving style and terrain wears them evenly. Thread starter Hele; Start date Jan 30, 2020; Hele Click here to upgrade. About us. If the caster is out of adjustment, it can cause problems in straight line tracking. Mercedes-Benz Tech Information and Support, http://www.flickr.com/photos/24145497@N06/sets/72157616572140057/. Jun 29, 2013 at 12:01 PM #21 #21. savedone Well-Known Member. Are these caster bolts something I could replace in my garage? Negative caster reduces steering effort because the weight moves forward of the spindle vertical center but also detracts from high-speed stability. Most enthusiasts have a good understanding of what these settings are and what they involve, but many may not know WHY a particular setting is called for, or HOW it affects performance. Using the following steps, you can diagnose common alignment problems with your car and correct the most common one, front-end alignment issues, at home. Thanks to the advanced design and precise engineering, each MOOG part fits right, without the slightest modifications to your vehicle. We think of the caster angle, viewing the wheel from the side. When we move from two-wheel to four-wheel alignment, we add setback and the vehicle thrust angle into the equation. 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