As you well know, a vehicle's frame/unibody structure is critically important. It's the crucial foundation - it's ground zero. Nothing is going to fit, operate or provide an original margin of safety on a platform that isn't restored to manufacturer's recommendations or has had the designed safety characteristics altered and/or destroyed using incorrect repair methodologies.

Auto preventative maintenance is the best measure you can take to keep your car running in top shape and avoid unnecessary and costly auto repairs. Eventually the time will come though when you have car trouble and it’s better to know what auto repair shop you can trust to take your vehicle to. Good mechanics and auto technicians are ASE certified and will be able to explain and handle all your auto repairs and maintenance needs. Please scroll down for more information and access to the reliable car repair shops in Philadelphia, PA listed below.

All too often, cams are selected on the basis of duration. This is not the best criterion, however. Overlap is a significantly more influential factor. The key here is not to go overboard on this.

If you are good with a welder, it will be a big plus when you're looking for employment at a shop. Your school may offer a welding program or your automotive class just might have a welder sitting around in the corner. Whenever you get the chance, practice with the welder. It's the only way one can get good at it.

A customer will come to you with a vibration or noise complaint. The first diagnostic step is to get as accurate a description as possible of what’s happening from your customer. That may not be easy because the typical motorist may describe a vibration as anything from a thumping noise to a shudder, rattle or shake.

Like any other vehicle, most driveability problems will be traced to basic systems. Even if you're armed with good information, it's important to road-test the car and duplicate the complaint before attempting any repairs. This is also the time to make note of any other problems you may have noticed that the customer failed to mention. Don't overlook the little items, such as lubricating a squeaky door or tightening the armrest. Read for more.

The Novanta concept car, built by Bertone (a famous Italian automotive designer) along with a partnership with SKF (a supplier of wheel bearings and a pioneer in adapting aerospace fly-by-wire technology to automotive applications) highlights a number of advantages over current vehicle technology.

The challenge for conventional automobile suspensions are two conflicting goals: passenger comfort and vehicle control. Current suspensions designed with an emphasis on passenger comfort, as in typical luxury sedans, deliver a smooth ride but allow the car to roll and pitch during cornering and braking. Suspensions emphasizing vehicle control, as in sports cars, reduce roll and pitch but sacrifice comfort.

roll is determined by an axis running from the rear roll center to the front roll center of the vehicle. The axis forms a plane that determines the rotation of the chassis during a corner. The inclination of the plane and center of mass of a vehicle determine how much the chassis roll will occur during a corner.

Suspension noises will usually present themselves in a couple of ways; knocking, squeaking and creaking are the most common. Squeaking noises are often the result of tie rod ends and ball joints binding up as a result of rust buildup. Tie rod ends can be checked with the car in the air by twisting the rod; ball joints can usually be confirmed with a knee to the bumper.

When the handling or ride control performance of a vehicle fails to meet expectations, it opens the door for repairs and upgrades. Repairs are required when parts are broken, bent, worn or out of specifications. Upgrades, on the other hand, can be recommended if the original shocks, struts or springs are considered to be "inadequate" or "unsatisfactory" for the needs of the vehicle owner.

The high-voltage (HV) electric motor and four-cylinder engine will trade off between each other while driving, as well as team up at times to propel the vehicle. The electric motor also plays an equally important role during braking and recharging the vehicle’s batteries.

It's a common misconception that only car dealers can perform the maintenance services on a newer vehicle that is under warranty.

If you find yourself working in the parts distribution industry, eventually your customers will trust you to know auto parts — every bolt hole, technical spec and dimension. But as everyone knows, looks can be deceiving and even through two parts might look the same, the inside might be a totally different story.

materials and designs have evolved over the years and will continue to do so until fuel cells, exotic batteries or something else makes the internal combustion engine obsolete. But until that happens, pistons will continue to power the vehicles we drive.

The harsh winter weather can expose hidden problems that have developed during the previous seasons, that is why it is so important to prepare your vehicle for the cold weather season by performing all preventative maintenance services as recommended by the manufacturer. Here are 10 tips for you.

What are shop owners and managers looking for in potential entry-level technicians? They are looking for candidates with strong communication skills and who are willing to learn. Technology on todays vehicles is always changing and technicians have to be willing to accept new challenges.

The amount of fuel that is injected is compensated for in order to improve engine performance. This is done under various operating conditions as indicated in the following chart.

Like any type of service equipment today, refrigerant recovery equipment must be fast, accurate, easy to operate and provide a good return on investment. What's more, it must also meet certain legal requirements. You may already have used A/C recycling and recovery units in your automotive classes.

Replacement rings come in various types, styles and sizes. Standard size rings are okay if the cylinders are not worn excessively (which requires measuring taper with a cylinder bore gauge). But oversized rings are obviously required if the cylinders are worn and are bored to oversize. The ring material as well as the facing (chrome or moly) should match the original application or be a suitable substitute for the original rings.

Local resource for Subaru service in Philadelphia, PA. Includes detailed information on local Subaru service centers, as well as on auto service companies that give access to Subaru maintenance and repair, Subaru tire replacement, Subaru tire rotation, Subaru oil change, Subaru engine repair, Subaru light replacement, Subaru brake service, Subaru window repair and Subaru transmission repair.