You searched for GM - Page 231 of 257 - UnderhoodService
Tech Tip: Diagnosing Suspension Noises on Hyundai Vehicles

Like any other problem, the more information we can get from the driver regarding suspension-related noises, the better. Many times, the best tactic is to have a tech road-test the car with the customer to be sure of the noise you’re chasing. At the same time, it’s a good idea to do a thorough safety inspection.

Mitch’s World: If it Wasn’t for Bad Luck…

About the worst thing that can happen around here is a week where all kinds of bizarre things accumulate. Aside from the absolute chaos it inflicts on everyone including me, the crush of dealing with multiple crises makes it almost impossible to identify where one calamity ends and another begins. The ability to cope with

News Update: Auto Value/Bumper to Bumper Surpasses 2,500 Shops

Auto Value and Bumper to Bumper announced the enrollment of their 2,501st certified service center. “Our WDs realize this segment of the business is essential to their prosperity. They have embraced our certified service center program to help us surpass the 2,500 mark,” said John Wick, vice president of sales and training. “The hard work

Brake Booster: Service Fundamentals

Disc brakes are not “self-energizing” like drum brakes, so they require more pedal effort to apply. It’s the magic of power brakes that allows a 98-lb. little old lady to bring two tons of a you name it luxury sedan to a screeching halt with little more than a light caress of her foot against

Flashing Signals / Reprogramming PCMs

You don’t have to be Microsoft A+ certified to flash reprogram automotive PCMs, but the process requires a certain amount of know-how as well as special tools and access to the latest OEM software upgrades (which are not free!). What’s more, it’s not a risk-free endeavor. Certain precautions must be undertaken before you begin, and

Mitch Schneider: Personal Axe Grinding Shows Ignorance, Especially When Done in ‘First Person’

After almost 41 years of working as a shop owner and a professional technician, I’d like to think I’ve gotten pretty good at dealing with broken stuff. However, every once in a while something occurs that shakes my confidence to its very foundation.

Famed Crew Chief, Tommy Baldwin, Signed by Cyclo as Spokesperson for New Goodyear Licensed Products

His name instantly sparks recognition in the racing world. Premier Crew Chief Tommy Baldwin, winner of the Daytona 500 and 2007 Crew Chief for Bill Davis Racing, has been signed by Cyclo Industries as spokesperson for the company’s newly licensed Goodyear tire appearance products.

ACDelco Offers 2007 DuraStop Brake Bucks Trade Rebate Promotion

ACDelco is offering a cash back rebate to service writers at Independent Service Centers (ISCs) for the purchase and installation of qualifying DuraStop friction products, including pads, shoes and loaded calipers ($10 per axle, $20 per vehicle maximum).

New Raybestos Simplified Product Offering is Built Around Technicians’ Needs

The product offering for Raybestos brand brakes has been completely re-engineered based on many months of extensive research with repair technicians. With the launch of the new Raybestos brand 1-2-3 strategy, all technicians’ needs can be filled now with a single grade of hydraulics, two grades of rotors and three grades of friction – all in the Raybestos brand.

Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans

Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. Install an exhaust dampener assembly on affected vehicles using the following service procedure.