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Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Steering >> Power Steering >> Power Recirculating Ball Steering System >> Lubrication >> Hydraulic System Bleeding
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Hydraulic System Bleeding

CAUTION: If air is introduced into hydraulic system during servicing, bleed complete system. Aerated fluid, which appears Light Tan in color, results in poor steering performance and will cause severe pump damage.
  1. With engine off, raise and support vehicle with front wheels off ground and turned fully to left. Add power steering fluid to FULL COLD mark on dipstick. Leave cap off.
  2. Turn wheels from side to side, without touching stops at either end. Add fluid, if necessary, to maintain level at FULL COLD mark. It may be necessary to repeat this step several times.
  3. Start engine. With engine idling, recheck fluid level. Add fluid, if necessary, to bring level to FULL COLD mark. Install cap. Ensure wheels are at center, straight-ahead position. Lower vehicle. Continue to run engine for 2-3 minutes to eliminate air in system.
  4. Road test vehicle. Check for leaks. Ensure fluid level is at FULL HOT mark when fluid is stabilized at operating temperature.
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