The term “valve lash” is often used, when discussing valve train adjustment. A valve lifter (sometimes referred to as a tappet or cam follower); follows the contour of the camshaft lobe and transfers that motion, […]
Rocker arms dislodging on certain engines, is a common problem and is usually misdiagnosed. So, a customer comes in and complains of a poor running engine. After diagnosing it you find engine misfire codes. And, […]
Engine oil mixed with coolant in the cooling system, is very common, after a blown or leaking head gasket. So, you opened your coolant reservoir or the radiator cap and see that the coolant and […]
The function of the automatic shutdown (ASD) relay is, to shut off power to major systems. When the key is turned off, as a safety feature. So, when the automatic shutdown (ASD) relay is on; […]
Diesel engine issues, are frustrating and can be costly to repair. Computer generated fault codes, only go a certain distance to point you in the direction of the problem. Consequently, Finding and solving diesel engine […]
Crankshaft position sensors, produce a signal that; talks to the fuel injection computer or the ignition control module. Consequently, providing the exact position of the pistons, as they come up or go down in the […]
Doing the cylinder leak down test; especially in conjunction with a compression test; should allow you to quickly determine the basic condition of any engine. A compression test is a dynamic test (engine moving), a […]
Rear engine oil leaks, that are confused with a rear main seal leak; are usually an oil pan gasket leaking. Consequently, an oil pan gasket is also, much less expensive to replace, than a leaking […]
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