Repair Pontiac Mid-size 1974-1983 Repair Guide

Power Steering Pump

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REMOVAL & INSTALLATION





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Fig. Fig. 1 Power steering pump mounting-231 V6 engine shown, V8 slightly different



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Fig. Fig. 2 Diesel engine power steering pump mounting



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Fig. Fig. 3 Use a puller to remove the power steering pump pulley

  1. Disconnect the negative battery cable.
  2.  
  3. Detach the hoses from the pump and tape the openings shut to prevent leakage.
  4.  
  5. Remove the pump drive belt.
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  7. Remove the retaining bolts, and any necessary braces, then remove the pump.
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  9. If a new pump is being installed and the pulley is being transferred, a puller is necessary to remove the pulley.
  10.  

To install:

  1. Position a new pump and secure with the retaining bolts and/or braces.
  2.  
  3. Attach the hoses to the pump, then tighten the hose fittings to 20 ft. lbs. (27 Nm). Fill the power steering pump reservoir with the proper type and amount of fluid, then turn the pump backward (counterclockwise as viewed from the front) until bubbles no longer appear in the reservoir.
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  5. Install the pump drive belt.
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  7. Any time the pump is removed, air must be bled from the system upon reinstallation. Bleed the system as outlined later in this section.
  8.  

BLEEDING



  1. Fill the pump reservoir to the proper level. See for fluid recommendations. Turn the engine ON. Turn the steering wheel fully to the left and right without hitting the stops, until the power steering fluid reaches normal operating temperature (165-175°), then stop the engine.
  2.  
  3. Raise the front of the vehicle off the ground and safely support it on jackstands. Failure to raise the front end off the ground could cause flat spots to be worn into the tires during the bleeding procedure.
  4.  
  5. Turn the wheels to the full left position and add power steering fluid to the COLD mark on the dipstick, if necessary.
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  7. Bleed the system by turning the wheels, with the engine running, from side to side without hitting hard against the stops. Maintain the fluid level at the COLD mark on the dipstick. Fluid with air in it will have a milky appearance. Air must be eliminated from the fluid before normal steering action can be obtained. Continue turning the wheels back and forth until all of the air is bled from the system.
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  9. Return the wheels to the center position and operate the engine for an additional 2-3 minutes, then stop the engine.
  10.  
  11. Road test the car to make sure the steering functions normally and is free of noise. Check the fluid level. Add fluid to the HOT mark, if necessary.
  12.  

 
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