A wheel bearing that’s out of adjustment can reduce bearing life and can affect more than just the bearing. It’s important to adjust the wheel bearing endplay to the proper specifications. If the bearing set is adjusted too loose or too tight, it can cause the bearing to fail prematurely. There are a few types of assemblies, so using correct procedures and tools will ensure a comeback-free wheel bearing installation.
For shops, R-1234yf means several new procedures, a certification and new equipment in order to properly handle these new systems. Why the difference in handling and servicing R-1234yf systems versus R-134a? Flammability.
JEGS introduces an all-new air conditioner compressor. Convenient remote mount frees up engine space and minimizes engine clutter. Compatible with almost any A/C system, the compressor is available small (#555-51810) or large (#555-51812) to accommodate vehicles that have 2 to 4 seats. Both use -10AN (suction) and -8AN (discharge) fittings and are 8” wide; #555-51810
Daniel Sjobeck, tech Roseville Auto Repair Roseville, MN A good toolbox. You can have the best of everything, but it’s no use if you cannot find it. Power Probe – One of the greatest inventions EVER. Snap-on Digital Torque Wrenches Snap-on VERUS – Fully loaded with European, import and domestic applications. Access to good information.
A vehicle fails an emission test due to a series of codes, with misfire activity found on cylinders 2, 4, 6, 8 and 3 – and a strange metallic sound can be heard when the rpms are raised. See how Carlton Banks solves this latest Pulling Codes case.
Using an OBD II scan tool/dynamometer simulation/calculation program that can graph volumetric efficiency (VE) over rpms, contributor Glen Beanard devised a test sequence using real-world vehicles. This article takes you step by step through his diagnostic process.
Even for an experienced diagnostic technician, attempting to diagnose an intermittent misfire condition that occurs only under specific driving conditions can be a frustrating exercise. Contributor Gary Goms breaks it down, and includes tips for using a scan tool and a lab scope.
Nothing can turn a new tech into a veteran but time and experience, and often that experience is going to come from making mistakes – sometimes real bad ones – and learning from them (you hope). By addressing these most common mistakes right away with new tire techs, the worst of them can be avoided.
Now that rivet bonding is in the mainstream with the Ford F-150, it’s time for shops to look into training and equipment for this repair process.
To help reduce the headaches involved in servicing TPMS, it’s important to use the “Test Before Touch” procedures in your shop. Used properly, TBT can form a strong foundation for everything else you do regarding TPMS, reduce complexity and help you educate and keep your customers.
It can sometimes be difficult to make the correct diagnosis for a hard-to-start complaint. And diagnostic time may be extensive — and expensive. This article shows how certain tools have the ability to automatically analyze waveforms for you.
If you’re doing social media, are you doing it effectively? Are your accounts set up correctly? Are you posting often enough? Mark Claypool answers some questions.