So, the engine top end, is usually everything above the cylinder head gasket. This would include everything, in engines that have a overhead camshaft (OHC).
Valve stem seals control the lubrication of the valve stem, as it moves up and down in the valve guide. But, if too little oil flows past the valve stem seals, the valve stem and […]
Valve train noise, is usually due to excessive clearance, between two internal engine parts. Each valve utilizes, a valve spring that returns it to its, original closed position. So, If a valve spring has broken […]
So, to determine the health of a head gasket, between two cylinders try doing a bubble test. If you believe you have a leak, but just cannot find it, doing a bubble test may be […]
So, The GM 6.6L Duramax diesel seems to be causing a lot of controversy. Consequently, One big issue is, what is correct head gasket is for this application. As a result, Many installers are just […]
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, […]
Problems with head bolts, are the number one cause of installation-related gasket failures. Consequently, no gasket is going to seal well; if you use the wrong procedure to tighten the head bolts. So, make sure […]
Diagnosing a blown head gasket, just by looking for the symptoms, can be quite misleading. So, a blown head gasket is NOT a single thing; because it can may fail in several different ways. As […]
Valve lash setting is something most drivers, don’t even think about. First, you need to know if you even have an, adjustable valve train for valve lash setting. So, either check your owner’s manual or […]
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