What’s The Deal With R1234yf?
It’s not a question of if, but when, a shop or parts store will have to deal with this refrigerant.
The Quest For The Best Brake Pad
What makes one friction material quieter or better than another?
Racing Wheel Bearings
They are the speed secret for many teams.
How Modern Engines Manage Air
Moving flaps and valves add a new wrinkle for diagnostic dilemmas.
Brake-Fluid Service ‘Cheap Insurance’ For Hydraulic Parts
Brake-fluid replacement is more critical than ever before.
VIDEO: Belt-Tensioner Replacement
Sell the complete job up front.
VIDEO: Alignment Is Key
Poor alignment can cause premature wear, belt mistracking or rib skipping and more.
VIDEO: Mileage, Age And Conditions Matter For Belt Replacement
Always first diagnose why the belt needs to be replaced.
VIDEO: The Right Amount Of Torque For An Oil Change
When tightening the oil filter or drain plug, more torque does not mean a tighter seal.
VIDEO: Oil Filter Bypass Valves And Filter Capacity
When a system is in bypass, contaminants are not being filtered out of the oil.
VIDEO: Why Do Oil Filters Have Anti-Drain-Back Valves?
For spin-on filters, it’s a rubber-like membrane on the inner side of the can.
VIDEO: Clean The Fuel Tank Before Replacing The Pump
Sediment, rust and debris from the pump can get into the tank and kill the fuel pump.
