Main points
- The power steering pump is typically located on the front of the engine, near the accessory drive belt.
- Start the engine and turn the steering wheel from lock to lock several times to bleed the air from the power steering system.
- Removing the power steering pump from a Holden Commodore VZ is a relatively straightforward task that can be completed in a few hours with the right tools and materials.
If you’re experiencing difficulties with your Holden Commodore VZ’s power steering system, removing and replacing the power steering pump may be necessary. This detailed guide will provide step-by-step instructions on how to safely and effectively remove the power steering pump from your Commodore VZ.
Tools and Materials Required
- Jack and jack stands
- Socket wrench set
- Screwdriver set
- Pliers
- Drain pan
- New power steering pump
- Power steering fluid
Safety Precautions
Before beginning any work on your vehicle, always ensure the safety of yourself and others. Park the car on a level surface, engage the parking brake, and allow the engine to cool completely.
Step-by-Step Instructions
1. Raise the Vehicle
Use a jack and jack stands to raise the front of the vehicle, providing yourself with sufficient space to work under the car.
2. Locate the Power Steering Pump
The power steering pump is typically located on the front of the engine, near the accessory drive belt. It is a cylindrical component with hoses and lines connected to it.
3. Disconnect the Battery
To prevent electrical shorts, disconnect the negative terminal of the battery.
4. Remove the Accessory Drive Belt
Using a socket wrench, loosen the tensioner pulley and remove the accessory drive belt from the power steering pump pulley.
5. Drain the Power Steering Fluid
Place a drain pan under the power steering pump and use pliers to loosen the drain plug. Allow the fluid to drain completely.
6. Disconnect the Power Steering Lines
Use a socket wrench to disconnect the high-pressure and low-pressure power steering lines from the pump. Be prepared for some residual fluid to leak out.
7. Remove the Power Steering Pump
Locate the mounting bolts that secure the power steering pump to the engine. Use a socket wrench to remove these bolts and carefully lift the pump off the engine.
8. Install the New Power Steering Pump
Place the new power steering pump onto the engine and secure it with the mounting bolts. Tighten the bolts to the manufacturer’s specifications.
9. Reconnect the Power Steering Lines
Reattach the high-pressure and low-pressure power steering lines to the pump. Ensure they are properly tightened.
10. Install the Accessory Drive Belt
Place the accessory drive belt back onto the power steering pump pulley and tighten the tensioner pulley.
11. Refill the Power Steering Fluid
Pour the recommended type of power steering fluid into the reservoir until it reaches the “full” mark.
12. Bleed the Power Steering System
Start the engine and turn the steering wheel from lock to lock several times to bleed the air from the power steering system.
13. Check for Leaks
Once the power steering system is bled, inspect all connections for leaks. If any leaks are present, tighten the connections or replace the faulty components as necessary.
Troubleshooting
- If the power steering pump is seized, it may require professional removal and repair.
- If the power steering fluid is excessively dirty or contaminated, it may indicate a problem with the steering system.
- If the power steering pump is making excessive noise, it may need to be replaced.
Wrapping Up
Removing the power steering pump from a Holden Commodore VZ is a relatively straightforward task that can be completed in a few hours with the right tools and materials. By following these instructions carefully, you can effectively diagnose and repair your vehicle’s power steering system.
FAQ
1. Can I remove the power steering pump without removing the accessory drive belt?
No, it is not recommended to remove the power steering pump without first removing the accessory drive belt.
2. What type of power steering fluid should I use?
Refer to your vehicle’s owner’s manual for the recommended type of power steering fluid.
3. How often should I bleed the power steering system?
Bleeding the power steering system is typically not necessary unless air has entered the system due to a repair or replacement.
