Valve Train
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, […]
Variable valve timing (VVT) systems, are not just used to increase performance. Meanwhile, the benefits of lower fuel consumption and emissions, are also leaving the (EGR) valve in the past. Because, with variable valve timing […]
With a little practice, you can gain the experience and knowledge to interpret, what engine noises mean. So, always take the extra time, to make a proper noise analysis, before doing any engine repair work. […]
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 […]
The first sign of sticking valves, is usually engine missing or running rough when cold. But, sticking valves can also simply be, the byproduct of cold-weather operation. In this case, the sticking valves, will often […]
(VVT) Variable Valve Timing, is a 2-stage, hydraulically controlled cam phasing system. So, as engine technologies improve and become less expensive; (VVT) variable valve timing, continues to improve performance and economy. Manufacturers have now adopted, […]
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 […]
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