How to Replace the Power Steering Pump on a Cummins Diesel

Written by robert good
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The Cummings Diesel engine is common on large trucks. If the power steering pump fails on that large truck, the driver will have a difficult time manoeuvring the truck while driving. The power steering pump on a Cummings Diesel engine is mounted to the driver side of the engine and held into place by four mounting bolts. To remove the power steering pump you will need to remove the belt pulley in front of the pump and the power steering fluid reservoir.

Skill level:
Moderate

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Things you need

  • Flat head screwdriver
  • Wrench
  • Drain pan
  • Ratchet set
  • New power steering pump

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Instructions

  1. 1

    Open the bonnet and locate the power steering pump. The power steering pump reservoir will have a cap on the top with "Power Steering Fluid" stamped on the top of the cap. The power steering pump is directly below the reservoir.

  2. 2

    Remove the belt from the pulley using a flat head screwdriver to pry the belt off and a wrench to remove the nut that is securing the pulley to the engine. Pull the pulley away from the engine.

  3. 3

    Place a drain pan under the power steering reservoir to catch the power steering fluid that is going to drain once you remove the reservoir. Use the ratchet set to remove the bolts that are holding the power steering fluid reservoir in place; pull the reservoir out of the engine compartment. Unscrew the nut that is connecting the reservoir hose to the pump.

  4. 4

    Place the drain pan under the engine to catch the power steering fluid that is going to drain out of the power steering pump once you remove the pump. Use the ratchet set to remove the four securing bolts that are mounting the power steering pump to engine. Pull the power steering pump out of the engine compartment.

  5. 5

    Mount the new power steering pump to the engine using the mounting bolts and tighten the bolts using the ratchet set. Connect the reservoir hose to the new power steering pump. Remount the power steering fluid reservoir to the engine. Remount the belt pulley to the engine and replace the belt to the pulley.

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