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...
Most diagnostic technicians have experienced the frustrations of troubleshooting temperature-related engine performance problems. All too often, the true nature of the problem is concealed by the very fact that it occurs only at specific engine temperatures. If the engine quickly passes through the critical temperature range needed to duplicate the...
Drive belts are an often-overlooked component during routine maintenance service intervals Drive belts last so long on late-model imports that it’s very easy to forget about inspecting them during a scheduled maintenance interval. In the early days of import cars, drive belts didn’t last as long because many were made...
A blown head gasket is bad news for any motorist. It means the cylinder head has to be removed, and possibly resurfaced, to replace the head gasket. If coolant has entered the cylinders and/or crankcase, additional repairs or a whole new engine may be needed depending on the extent of...
Uncovering missed service can bring an instant profit, while at the same time resulting in customer gratification. Unfortunately, some services are often overlooked in our daily routine. It’s easy to gain tunnel vision in this business, only fixing what the car came in for, while ignoring the rest of the...
Driveshafts on most rear-wheel drive and four-wheel drive (4WD) vehicles are very durable. Most late-model driveshafts are not serviceable and do not have any lubrication points. But, this does not mean that they can’t wear, or even fail. Driveshaft problems can be spotted from the moment you put the vehicle...
Mode 06 is the actual system test data that OBD II looks at when it decides to set a pending code or a current fault code. If the test data is within the limits established by the vehicle manufacturer, the item gets a PASS and no codes are set. But...
ition system maintenance as long as it feels like it’s “running good.” In reality, spark plugs eventually develop high electrical resistance because the electrodes wear away. When this happens, the secondary ignition voltage will increase until the ignition coil, ignition cable, spark plug boot or spark plug develops a high-voltage...
The New Beetle has been around for several years now, and except for the classic shape, it’s not the Beetle of old. Unlike its ancestor, this New Beetle is conventional, modern and sophisticated. It has all of the bells and whistles of other current models, the performance and handling of...
