GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

Power Steering Pump

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FLUID RECOMMENDATIONS



If the level is low, fill the pump reservoir with DEXRON®II Automatic Transmission Fluid on 1975-76 vehicles. 1977 and later models require GM Power Steering Fluid, part No. 1052271, 1050017 or 1052884, available at any Buick, Olds, Pontiac or Chevrolet dealer, or the equivalent.

LEVEL CHECK



See Figures 1 and 2

Power steering fluid level should be checked at least every 7,500 miles. The power steering pump is belt driven and has the dipstick built into the filler cap. To prevent possible overfilling, check the fluid level only when the fluid has warmed up to operating temperature and with the front wheels turned straight ahead. Fill the reservoir until the fluid level measures FULL on the reservoir dipstick. When the fluid level is low, there is usually a moaning sound coming from the pump as the front wheels are turned, especially when standing still or parking. The steering wheel will also be difficult to turn when fluid level in the pump reservoir gets low.



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Fig. Fig. 1: Power steering pump dipstick/filler cap.



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Fig. Fig. 2: Common power steering pump and dipstick location

 
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