Steering Angle Frequently Asked Questions
Chances are you will never crack open a steering angle sensor (SAS) cluster to repair it. But, this sensor should not be a mystery. To be effective at ABS and stability control diagnostics, knowing how sensors measure angles and information is critical.
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Hyundai Tech Tip: MDPS Coupling Replacement
The motor driver power steering (MDPS) assembly contains a flexible rubber coupling that wears out over time. Wear of the coupling does not affect the ability to steer or control the vehicle.
BMW Steering Column Noises
A scraping noise may occur when the steering wheel is turned from left to right. One cause can be contact between the pinion shaft dust cover and the steering gear. It can best be located by by using a stethoscope or other listening device.
When Do Control Arms Need To Be Replaced?
There are many reasons to replace the front or rear control arm assembly, the most common of which are wornout bushings or ball joints and rust. A typical stamped steel control arm will show signs of rust and corrosion. The life expectancy can be shortened due to exposure to water and road salt.
GM Tech Tip: Grease Or Sealant Visible On Electronic Power Steering Gear Is Not A Leak
On GM vehicles with electric power steering starting in 2009, you may see grease or sealant on certain locations of the steering gear. Vehicles with electric power steering systems do not have fluid inside of them.
Variable Assist Power Steering Diagnostics
During the past 20 years, steering feel is one of the most researched and engineered aspects of any vehicle. To get the feel just right, OEMs are using a combination of old and new technologies that can also help to make the engine more efficient.
Alignment & Suspension Specs: Ford Escape 2001-2010
The Ford Escape is one of the longest running Ford platforms with models that remained unchanged mechanically from 2000 to 2010. While it is not the most complicated alignment, it does have some quirks that have emerged during its past 10 years of service.
VIDEO: Steering Angle Sensors And Jumpstarts
Andrew Markel relates a story from a technician where a jumpstarted car had a miscalibrated steering angle sensor.
Torque-To-Yield Suspension Components
What do some ball joints, tie rods and suspension components have in common with engines? The answer is Torque-to-Yield (TTY) fasteners. These bolts and studs that stretch are becoming more common on vehicles not just under the hood, but under the car.
Alignment Jobs: 10 Tips To Increase Productivity
These 10 tips will allow future alignment jobs to be completed more quickly and efficiently. This article reminds techs to check steering angle sensors, look at tire pressure before performing an alignment, and take notes.
GMC Terrain Alignment And Suspension
The Terrain rides on GM’s Theta platform and its alignment process is mechanically straightforward. The front suspension is a MacPherson strut design with hydraulic bushings in the lower control arms. The rear suspension is a four-link layout.
