Tech Tip: Diagnosing and Servicing Automatic Transmissions
Automatic transmissions and transaxles fall into two categories: mechanical and electronic. Older vehicles with mechanical automatics use engine speed, throttle cables, governors and valves to shift gears. Newer vehicles with electronic transmissions use engine RPM and sensor inputs to operate solenoids that route internal fluid pressure to shift gears.
Jeff Andrews, Director of Engine Development at Hendrick Motorsports, Signs Autographs and Answers Questions at MAHLE Clevite SEMA Exhibit
Jeff Andrews, director of engine development at Hendrick Motorsports, will greet visitors and sign autographs at the MAHLE Clevite booth (21037) at SEMA Thursday morning November 1.
Tech Tip: What To Do When An Engine Won’t Start
In today’s world of high-tech electronics, onboard diagnostics and scan tools, you would think engine diagnostics would be easier than ever. Yet some technicians struggle when confronted with an engine that cranks, but refuses to start. Most no-starts do not generate any fault codes, so how do you proceed to find out what’s causing the problem?
Tech Feature: Engine Diagnostics…What to do When an Engine Won’t Start
In today’s world of high-tech electronics, onboard diagnostics and scan tools, you would think engine diagnostics would be easier than ever. Yet some technicians struggle when confronted with an engine that cranks but refuses to start. Most no-starts do not generate any fault codes, so how do you proceed to find out what’s causing the
Tech Tip: The Benefits of High Mileage Motor Oils
Today’s automobile owners keep their vehicles longer; in fact, approximately two-thirds of the vehicles on America’s roads have more than 75,000 miles on the odometer. Although high-mileage car owners are generally fonder of their cars and more likely to take special care of them, consumers may fail to recognize the importance of motor oil selection in helping their engines perform well after 75,000 miles.
OTC Introduces Complete Line of Cam Tool Kits for the GM Vehicle Family
OTC, a business unit of SPX Corporation, is proud to introduce its new line of GM Cam Tool Kits used specifically for servicing timing belts, chains, head gaskets, or completing valvetrain repairs and even water pumps on GM vehicles.
New Bosch Water Pump Program Features Greater Coverage, Heat-Tempered Bearings
Bosch has launched an upgraded water pump program that features greater coverage, heat-tempered bearings for most applications, plus new tri-lingual packaging. Bosch water pumps are built to withstand extremes of heat and cold and can restore a vehicle’s cooling system to proper working order and minimize the risk of premature failure.
Volvo: Sometimes You Learn the Hard Way: Fixing Volvo Oil Leaks Right the First Time
The customer’s Volvo has an oil leak. You think you do everything right. You add dye and see the rear main oil seal leaking. The repair goes smoothly, the customer is happy…for about two weeks. Then the rear main oil seal is leaking again, and he wants to know why. This is not an isolated
Tech Tip: Top 10 Domestic Diagnostic Codes and Fixes
A Check Engine Light that’s illuminated is always a sign that something is wrong. But what? You usually can’t tell until you plug in a code reader or scan tool and read out the code(s) that have turned on the light. At least then you have a starting point for further diagnosis. Some people think a code is all you need to fix a fault and turn off the Check Engine Light. A diagnostic trouble code certainly helps, but it only tells you that some kind of fault has occurred, and maybe the circuit or component associated with the fault.
Who’s at Fault?…Top 10 Domestic Diagnostic Codes & Fixes
A Check Engine Light that’s illuminated is always a sign that something is wrong. But what? You usually can’t tell until you plug in a code reader or scan tool and read out the code(s) that have turned on the light. At least then you have a starting point for further diagnosis. Some people think
