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Power Steering Fluid

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8. Finally, we loaded the fresh steering system with PSC's recommended Royal Purple synthetic fluid ( With all-new parts, the hydraulic system required bleeding all the air bubbles out of it. We did this by filling the pump reservoir, jacking the front wheels off the ground, starting the engine, cycling the steering wheel lock-to-lock a few times, topping off the fluid, and then cycling the wheel another 15 or 20 times.