Valve Train
Valve guide wear, refers to excessive clearance, between valve stem and valve guide. As valve guides wear, the side to side movement, can cause valves to seat improperly. Valve leakage, causing compression loss, is another […]
The purpose of the valve stem seal is, to prevent the oil from the cylinder head; entering the combustion chamber. So, the valve stem seal, plays a critical role in, controlling valve lubrication as well […]
Exhaust and Intake Pushrods, on G.M. 3.1 and 3.4 engines are different lengths. Quite often I am seeing, bent pushrods and valves when they are mixed up. Consequently, Exhaust pushrods on G.M. 3.1 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 […]
Hydraulic valve lifter engine noise, is usually a symptom that something may be, wrong with your engine. So, all engines make some noise but, when you hear an unusual tapping noise, it usually means trouble. […]
So, the main function of automotive engine valves is, to let air in and out of the cylinders. As a result, the valves in your cylinder head, are a vital component of your engine and […]
Valve Springs in your engine have a very basic job, but how they do it is very important. So, one very important point to keep in mind is that they all; lose tension and weaken […]
Valve Lifters, Hydraulic And Mechanical. So, what is the big difference. Both hydraulic and mechanical valve lifters have the same job, but do it differently. They both follow the contour of the camshaft lobe and […]
GM 3100 – 3400 engine issues are still happening and are being repeated. We still have leaks, installation problems as well as cylinder head and rocker bolt issues. That’s because most people are still confused […]
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 […]
The engine power balance test can be a great way to pinpoint a cylinder that’s under performing. This is an indication a cylinder is not working as well as the other cylinders in the engine. […]
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