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Posted on Nov 05, 2010
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Repair power steering for 1994 Chevy S10 Blazer V-6, pump and houses.

1 Answer

Duane Wong

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  • Chevrolet Master 6,826 Answers
  • Posted on Nov 05, 2010
Duane Wong
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Joined: Jun 20, 2010
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Power Steering Pump Removal & Installation 2.2L Engine To Remove:

  1. Remove the upper cooling fan shroud.
  2. Position a fluid catch pan under the power steering pump.
  3. Disconnect the feed and return hoses from the power steering pump, then drain the excess fluid into the catch pan. NOTE: On models equipped with a remote fluid reservoir, disconnect and plug the hose(s) in order to prevent system contamination or excessive fluid loss.
  4. Remove the drive belt from the pulley.
  5. Install a puller tool such as J-25034, or equivalent onto the power steering pump pulley. While holding the pilot bolt, turn the tool nut counterclockwise in order to press the drive pulley from the pump. NOTE: When installing the puller tool onto the power steering pump pulley, be sure that the pilot bolt bottoms in the pump shaft by turning the head of the pilot bolt.
    Installing the pilot bolt repair power steering for 1994 - 85388111.gif

    Removing the power steering pump pulley 85388113.gif

    Installing the power steering pump pulley 85388114.gif

  6. Unplug the electrical connection from the A/C compressor, unfasten the compressor mounting bolts and set the compressor to one side without disconnecting the lines.
  7. Remove the front mounting bolts and the rear bracket nuts from the studs on the engine.
  8. Remove the rear brace mounting bolt.
  9. Remove the power steering pump from the vehicle.
To Install:
  1. Position the pump to the vehicle and secure using the front retaining bolts to 22 ft. lbs. (30 Nm).
  2. Install the rear bracket bolt and nuts. Tighten the retainers to 22 ft. lbs. (30 Nm) on 1994 - 97 models and 37 ft. lbs. (50 Nm) on 1998 and later models.
  3. Install the A/C compressor.
  4. Use a pulley installer such as J-25033 or equivalent to press the drive pulley onto the power steering pump. While holding the pilot bolt, turn the tool nut clockwise in order to press the drive pulley onto the pump. Check that the pulley is flush within 0.010 in. (0.25mm) of the shaft end. NOTE: When positioning the installer tool onto the power steering pump pulley, be sure that the pilot bolt bottoms in the pump shaft by turning the head of the pilot bolt.
  5. Properly install the drive belt.
  6. Remove the caps, then connect the feed and return hoses to the pump.
  7. Properly refill and bleed the power steering system.
  8. Test drive the vehicle.
4.3L Engine To Remove:
  1. Remove the upper cooling fan shroud.
  2. Remove the drive belt.
  3. Remove the fan and clutch from the water pump.
  4. Install a puller tool such as J-25034, or equivalent onto the power steering pump pulley. While holding the pilot bolt, turn the tool nut counterclockwise in order to press the drive pulley from the pump.
  5. Safely raise and support the vehicle.
  6. Remove the shield from the steering linkage.
  7. Position a fluid catch pan under the power steering pump.
  8. Disconnect the return hose from the power steering pump, then drain the excess fluid into the catch pan.
  9. Safely lower the vehicle.
  10. Disconnect the pressure hose from the pump and cap the open line.
  11. Remove the filler neck tube.
  12. Remove the power steering pump mounting nuts and bolts.
  13. Remove the power steering pump from the vehicle.
NOTE: When installing the puller tool onto the power steering pump pulley, be sure that the pilot bolt bottoms in the pump shaft by turning the head of the pilot bolt.
Installing the pilot bolt 85388111.gif

Removing the power steering pump pulley repair power steering for 1994 - 85388113.giftp://arrc.epnet.com/autoapp/CHEVY_S10_94-05_F/p5images/8000/85388113L.gif">85388113.gif

Installingrepair power steering for 1994 - 85388114.gifteering pump pulley 85388114.gif

To Install:
  1. Position the pump to the vehicle.
    • Tighten the front retaining bolts to 37 ft. lbs. (50 Nm) and the nuts to 31 ft. lbs. (41 Nm).
  2. Install the filler neck tube.
    • Tighten the bolt to 15 ft. lbs. (20 Nm).
  3. Connect the pressure hose to the pump.
  4. Safely raise and support the vehicle.
  5. Connect the return hose to the vehicle.
  6. Install the shield on the steering linkage and lower the vehicle.
  7. Use a pulley installer such as J-25033 or equivalent to press the drive pulley onto the power steering pump. While holding the pilot bolt, turn the tool nut clockwise in order to press the drive pulley onto the pump. Check that the pulley is flush within 0.010 in. (0.25mm) of the shaft end. NOTE: When positioning the installer tool onto the power steering pump pulley, be sure that the pilot bolt bottoms in the pump shaft by turning the head of the pilot bolt.
  8. Install the fan and clutch on the water pump.
  9. Properly install the drive belt. NOTE: Be sure to secure any hoses which may get in the way or rub other components.
  10. Install the upper fan shroud.
  11. Properly refill and bleed the power steering system. Test drive the vehicle.
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  • Duane Wong
    Duane Wong Nov 05, 2010

    Removal & Installation


    4.3L Engine

    Pressure Hose

    To Remove:

    CAUTION
    Do not start the engine with a power steering hose disconnected. Cap all open hoses and fittings to prevent contamination and loss of fluid.


        Raise and safely support the vehicle.
          If equipped, remove the steering linkage shield
            Place a drain pan under the power steering pump.
              Disconnect the pressure hose from the power steering pump.
                Lower the vehicle.
                  Remove the air cleaner assembly.
                    Disconnect the pressure hose from the steering gear and remove the hose from the vehicle.

                To Install:

                CAUTION
                Handle the hoses with care. Do not twist or distort the hoses during installation.


                    Install the hose on the power steering gear. Tighten the hose to 22 lb ft (30 Nm).
                      Install the air cleaner assembly.
                        Raise and safely support the vehicle.
                          Connect the pressure hose to the power steering pump. Tighten the hose to 18 lb ft (25 Nm).
                            Remove the drain pan from under the vehicle.
                              If removed, install the steering linkage shield.
                                Lower the vehicle.
                                  Bleed the power steering system.

                              Return Hose

                              To Remove:

                              CAUTION
                              Do not start the engine with a power steering hose disconnected. Cap all open hoses and fittings to prevent contamination and loss of fluid.


                                  Remove the air cleaner assembly.
                                    Install a drain pan under the vehicle.
                                      Disconnect the power steering return hose from the power steering pump or steering fluid cooler if so equipped.
                                        Disconnect the harness clip from the return hose at the power steering gear.
                                          Disconnect the return hose from the power steering gear and remove it from the vehicle.

                                      To Install:

                                      CAUTION
                                      Handle the hoses with care. Do not twist or distort the hoses during installation.


                                          Connect the return hose to the power steering gear. Tighten the hose to 18 lb ft (25 Nm).
                                            Connect the harness clip to the return hose at the power steering gear.
                                              Connect the power steering gear return hose to the power steering cooler or power steering pump. Tighten the hose clamp to 18 lb in (2 Nm).
                                                Remove the drain pan from under the vehicle.
                                                  Install the air cleaner assembly.
                                                    Bleed the power steering system.

                                                2.2L Engine

                                                Pressure Hose

                                                To Remove:

                                                CAUTION
                                                Do not start the engine with a power steering hose disconnected. Cap all open hoses and fittings to prevent contamination and loss of fluid.


                                                    Remove the air cleaner assembly.
                                                      Position a drain pan under the vehicle.
                                                        Disconnect the pressure hose from the power steering pump.
                                                          Disconnect the pressure hose from the steering gear.
                                                            Remove the power steering gear pressure hose from the vehicle.






                                                        Power steering pressure hose (2.2L engine)




                                                        To Install:

                                                        CAUTION
                                                        Handle the hoses with care. Do not twist or distort the hoses during installation.


                                                            Connect the pressure hose to the power steering gear.

                                                                Tighten the hose to 18 lb ft (25 Nm).

                                                              Connect the pressure hose to the power steering pump.

                                                                  Tighten the hose to 18 lb ft (25 Nm).

                                                                Remove the drain pan from under the vehicle.
                                                                  Install the air cleaner assembly.
                                                                    Bleed the power steering system.

                                                                Return Hose

                                                                To Remove:

                                                                CAUTION
                                                                Do not start the engine with a power steering hose disconnected. Cap all open hoses and fittings to prevent contamination and loss of fluid.


                                                                    Remove the air cleaner assembly.
                                                                      Install a drain pan under the vehicle.
                                                                        Disconnect the power steering return hose from the power steering pump or steering fluid cooler if so equipped.
                                                                          Disconnect the harness clip from the return hose at the power steering gear.
                                                                            Disconnect the return hose from the power steering gear and remove it from the vehicle.

                                                                        To Install:

                                                                        CAUTION
                                                                        Handle the hoses with care. Do not twist or distort the hoses during installation.


                                                                            Connect the return hose to the power steering gear.

                                                                                Tighten the hose to 18 lb ft (25 Nm).

                                                                              Connect the harness clip to the return hose at the power steering gear.
                                                                                Connect the power steering gear return hose to the power steering cooler or power steering pump.

                                                                                    Tighten the hose clamp to 18 lb in (2 Nm).

                                                                                  Remove the drain pan from under the vehicle.
                                                                                    Install the air cleaner assembly.
                                                                                      Bleed the power steering system.


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