Tech Tip: Inspect Saturn VUE Steering Knuckles
GM is recalling 2,149 model year 2009 Saturn VUE vehicles. Some of these vehicles may have been built with an incorrect right and/or left front steering knuckle. As a result of the incorrect knuckle and resulting inadequate clearance, the tie rod ball stud could pull out of, or fracture, the tie rod housing. This could cause the tie rod to separate from the knuckle ….
Tech Tip: Pop or Crunch Noise Coming from the Steering Wheel or Steering Column
Possible causes for pop or crunch noises that can be felt in the steering wheel or heard coming from the area of the steering column are: steering intermediate shaft; strut mounts; tie rod ends; or steering column. It is important to ensure that the noise is not coming from another source before the power steering gear is replaced ….
Tech Tip: SKF Offers Technical Information for Hub Unit Part Number Specific to Cadillac DTS/Buick Lucerne
SKF currently offers a pigtail-style hub unit – part number BR930548K – for the Cadillac DTS/Buick Lucerne. A recent technical bulletin by SKF provides technical information for preventing ABS sensor failure in pigtail-style hub assemblies. ABS system failures that happen shortly after hub unit installation can cause a technician concern and customer dissatisfaction. Several items should be checked when replacing the BR930548K or other pigtail style hub ….
Chassis Control Engineering & Application
It is a common mistake to look at a vehicle’s chassis and suspension system as just components that are either good, bad or broken. It should be looked at as a system. Understanding basic terminology and vehicle configurations is important to the technician for maintaining or returning that new car chassis control and performance. It
Tech Tip: Steering Position and Yaw
The Electronic Stability Control (ESC) program uses the Anti-Lock Brake System (ABS) and Electronic Throttle Control (ETC) to maintain vehicle stability in a cornering maneuver. The ESC program requires the communication between the Engine Control Module (ECM) and ABS controller. This communication takes place on the Controlled Area Network (CAN) buss of the vehicle. The program uses input from the following sensors: steering wheel position, throttle pedal position, throttle position, engine speed, brake switch, wheel speed, yaw and ….
Steering Position and Yaw
Driving skills and Electronic Stability Control One of the first things a novice driver asks is: “Do I turn into the skid or away from it?” With Electronic Stability Control, this decision is made for us. When a vehicle begins to skid during a cornering maneuver, the skilled driver steers into the direction of the
Understanding Steering Quality
And Delivering a Good Driving Experience to Customers
Fluid Service: Avoiding the Wallet Flush
Avoiding the Wallet Flush By Gary Goms Contributing Editor Many shops are recovering revenues lost to a shrinking repair market by “upselling” fluid maintenance services or, as they’re commonly called in the aftermarket, “fluid flushes.” In other words, adding a fluid flush to a money-losing routine oil change can boost a shop’s average repair order
Get the Drift: The Ins and Outs of Sport ‘Drifting’
Drifting is not a sport for SUVs. If it were, it would probably be called “rollovering.” Nor does it lend itself very well to cars with front-wheel drive. Drifting is all about sliding around curves with the rear wheels smoking all the way. Drifting sounds like an activity dreamed up by the tire manufacturers to
CrossOver SUVs: Rear Suspension Dynamics
Higher gas prices are increasing sales of cross-over SUVs. These smaller SUVs have ditched the live axle in favor of rear independent suspension. While the designs are often borrowed from a car-type platform, some do have more travel in order to boost the off-road and load capabilities. Where the car ends and the truck begins
Engine Tuning & Chassis Upgrades
When car manufacturers come out with a new engine design, some car enthusiasts eye the new technology from a perspective of how to squeeze more performance out of it. The smaller displacement engines that are turbocharged or supercharged tend to be the most likely chosen because of their power-to-weight ratio. When Saab introduced a turbocharged
The Wheels on the Bus Go Round and Round
Now that school is out, school bus inspections and maintenance is taking place in preparation for the next session in the fall. Many school districts are outsourcing the maintenance of their buses. This could be your chance to increase your shop’s customer base. While the coach work (body) of buses is changing to incorporate features