Detection Equipment is Key to Finding Refrigerant Leaks
Refrigerant leaks are the number one cause of poor A/C cooling performance. The amount of refrigerant in an A/C system is critical for proper cooling. Any loss of refrigerant reduces the system’s ability to transfer heat, causing the compressor to work harder and the system to cool less efficiently. To make matters worse, the refrigerant
Oil Pumps & the Engine’s Lubrication System
p can restore gear-to-gear clearances but not gear-to-housing clearances. The end plate that covers the pump often develops a heavy wear pattern that is most noticeable on the outlet gear side. Regrinding the face of the plate smooth can restore end play tolerances between the plate and gears but it can’t compensate for wear inside
The Top 5 Favorite Tools of the Country’s Top Technicians
Dan & Kris Cesena Honda Hospital, Inc. San Mateo and Milpitas, CA Our top five favorite tools (and why) are: The Snap-on MicroVAT Battery/Starter/Alternator Tester. Why? Well it makes it much easier to test batteries, alternators and starters; it has an infrared port, which sends the data to an optional thermal printer; and with these
Now is the Time to Gear Up for MACS Convention
The Mobile Air Conditioning Society (MACS) Worldwide, which will hold its 25th Anniversary Convention and Trade Show February 1-3 at the Las Vegas Hilton, is taking steps to protect its trade show exhibitors and the mobile A/C and engine cooling industry against counterfeiting and trademark infringement. As part of its new policy, MACS is asking
The Ins and Outs of Diagnosing Battery, Charging and Starter Problems
You answer the phone and the voice on the other end says, “My car won’t start.” When temperatures drop, the no-start calls start pouring in. Cold weather increases the strain on the battery, starting and charging system and tends to bring out any weaknesses in these components. Cold weather thickens the oil and makes the
When it’s Time for a Rebuilt Engine Installation
I noticed the Toyota 4WD truck as soon as I turned into the parking lot on Monday morning. I knew the owner because we’d been servicing his vehicles for a number of years, and I was always impressed by how clean and straight the truck was for its age. It was parked kind of crooked,
Aftermarket Update: Dana Launches New Automotive Website
Toledo, OH – Dana Corp. has launched its newly redesigned automotive website, located in the automotive section of www.dana.com. The new site offers expanded content and better navigation capabilities. Products are grouped into five main categories: • Architecture, which features products such as bi-metallic structures, cradles, frames, side rails, and twist beam axles; • Chassis,
Ending a Volvo Head Gasket Leak
Volvo engines have always been noted for their durability and long-term, trouble-free operation. But just like any internal combustion engine, they could develop head gasket problems that stem from owner neglect or the engine design. This article will detail the diagnostic process and procedures for replacing the head gasket in the most common Volvo engine
2004 Underhood Service Repair Market Industry Profile
Welcome to the 2004 Underhood Service Repair Market Industry Profile, our in-depth report of the independent automotive repair market. Our profile below highlights many elements that are a part of doing business in today’s repair shops. The information presented is a good indicator to make short-term predictions about these independent automotive repair shops. It’s also
GM Timing Belt & Chain Service
Some overhead cam engines in General Motors vehicles use timing belts to drive the cam (the 2.0L for example), some use chains (2.3L Quad Four, Cadillac’s Northstar dual overhead cam 4.6L V8, the Aurora Northstar 4.0L V8 and Chevy’s Vortec 4200 inline six), and some use a combination of both (Chevrolet’s 3.4L V6). The rest