You may have heard the term “valve job” because older engines frequently needed their valves reconditioned. You rarely hear about valve problems in today’s engines because modern OHC engines have fewer components to wear out […]
Hydraulic valve lifter engine noise is usually a symptom that something may be wrong with your engine. All engines make some noise, but when you hear an unusual tapping noise it usually means trouble. A […]
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. If a valve spring has broken or […]
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 […]
Variable valve timing-cam phasing-VVT- how does it work ? The advantage of VVT is that all the factors traditionally associated with a given cam grind are no longer fixed. Also, can change in response to […]
The main function of automotive engine valves is to let air in and out of the cylinders. The automotive engine valve that lets the mixture into the cylinder is the intake valve. The automotive engine […]
The cylinder 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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