Vibration Absorber Piston Shaft Flat Belts Pulley for ... (Elva McCarthy) It seems when the voltage is increased the dephaser picks up ! Change the dephaser pulley on the camshaft. When a dephaser is not worn and is filled with oil this problem is not noticeable, but when it is dry then a scary rattle appears.
The dephaser pulley is used to adjust cam timing for best MPG and performance.
A wide variety of renault megane dephaser pulley options are available to you Possible dephaser pulley or dephaser solenoid.
It is possible for the garage to incorectly set this when fitting. When a dephaser is not worn and is filled with oil this problem is not noticeable, but when it is dry then a scary rattle appears. If its VVT then it could be the dephaser pulley.which isn't cheap.
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