Valve Train
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. […]
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, […]
Zinc additives have been recommended by most engine manufacturers for years. So, Why do we have lower zinc and phosphorus levels in modern engine oils. Because, The American Petroleum Institute (API) has regulated the amount […]
Variable valve timing (VVT) systems aren’t just used to increase performance. Even more, With (VVT) the benefit to fuel consumption and emissions are slowly leaving the (EGR) valve in the past. Also, With variable valve […]
With a little practice you can gain the experience and knowledge to interpret what engine noises mean. Always take the extra time to make a proper noise analysis before doing any engine repair work. Having […]
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