Sentences with phrase «hydraulic valve lash»
This would be enshrouded by a polymer composite structure that could contain oil feeds for hydraulic valve lash adjusters and spark plug / fuel injector pockets (assuming the engine has direct injection).
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It could be that your engine has hydraulic lash adjusters for the valves.
In the valvetrain, roller swing arms and hydraulic lash adjusters reduce valve - driven friction to improve fuel economy one percent compared with direct valve tappets.
The mechanism is actuated by an oil control valve through a dual - feed stationary hydraulic lash adjuster.
* Dual overhead camshafts (DOHC) and four valves per cylinder * Twin counter-rotating balance shafts for operational smoothness * Electronic throttle control * Low - friction, roller - finger follower valvetrain with hydraulic lash adjusters * Low - maintenance chain - drive for the camshafts * 58X crankshaft positioning * Direct - mount accessories, which reduce or eliminate traditional sources of noise and vibration * Full - circle transmission mount to reduce noise and vibration * GM Oil Life System, which can reduce the frequency for oil changes * Innovative cast - in oil filter housing, which eliminates the need to crawl under the vehicle to perform oil changes and eliminates throwaway oil filter cans that retain used oil
In the valvetrain, roller swing arms and hydraulic lash adjusters reduce valve driven friction to improve fuel economy one percent compared with direct valve driving.
Some of the key features of the 1.8 - litre Nu petrol engine include aluminum block and head, variable induction system (VIS), Dual Continuously Variable Valve Timing (D - CVVT), Electronic throttle control, offset crankshaft and Roller swing arm and Hydraulic Lash Adjusters (HLA).
Continuously commanded by engine control unit, the valve rocker arm switches between high - lift and low - lift profiles on the camshaft, actuated by an oil control valve through a two - feed stationary hydraulic lash adjuster, allowing for either 4.0 or 10.5 mm lift.
The valvetrain also features more durable intake and exhaust valves, and hydraulic valve - lash adjusters that optimize engine durability over the life of the truck.
Its cylinder heads have been substantially reworked for high - rpm duty, including nerd - porn finger followers that incorporate hydraulic valve - lash adjustment.
In the valvetrain, roller swing arms and hydraulic lash adjusters reduce valve - driven friction to help improve fuel economy one percent compared with direct valve tappets.