Range Rover Vogue and 4.6 HSE booster block failing

 

Range Rover old and new shape (vogue and 4.6HSE) booster block failing

 

Range Rover Vogue and 4.6 HSE booster block failing

Range Rover old and new shape (vogue and 4.6HSE) combine the master cylinder with a modulator. Commonly known as the booster block often fails for shuttle valves, solenoids, or allowing pressure to recirculate.