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Power Steering Reservoir Replacement
 
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Pelican Technical Article:

Power Steering Reservoir Replacement

Nick Czerula

Time:

1 hour1 hr

Tab:

$50

Talent:

***

Tools:

10mm socket, diagonal pliers, hose crimp plier

Applicable Models:

BMW X5 (2000-06)

Parts Required:

Power steering fluid, power steering fluid reservoir, power steering hoses, hose clamps

Hot Tip:

Work with a cool engine

Performance Gain:

Quiet power steering pump, remedy power steering noise

Complementary Modification:

Power steering hoses

Inside the power steering fluid reservoir there is a small filter that can become restricted. The filter is not serviceable separately; if you believe it to be a problem, replace the power steering fluid reservoir. I have seen noisy pumps remedied by replacing the power steering reservoir. If yours is groaning, try replacing the reservoir first. You can also use this article if you need to replace the hose clamps on the power steering reservoir hoses, as they have a tendency to leak over time.

In this article, I'll go over the steps involved with replacing the power steering reservoir and bleeding the power steering pump.

Jack up the front of your vehicle. See our tech article on jacking up your vehicle. Wear safety glasses anytime you work under your car.

Remove the engine splash shields. Use the article on removing the engine splash shields should you need help.

Place an oil drain pan under the left side of the engine.

Working at the fresh air intake, remove the four plastic rivets (green arrows).
Figure 1

Working at the fresh air intake, remove the four plastic rivets (green arrows). Use a pair of pliers (inset) to remove the center rivet. Once all the center rivets have been removed, pull the duct up to detach it from the vehicle.

Then lift the duct up on the left side while detaching it from the duct (green arrow) on the right side.
Figure 2

Then lift the duct up on the left side while detaching it from the duct (green arrow) on the right side.

The first step is to suction the fluid out of the reservoir.
Figure 3

The first step is to suction the fluid out of the reservoir. You can use a fluid pump or a turkey baster. Once the reservoir is empty, use the steps below that apply to your model.

Working at the power steering reservoir, loosen the 10mm clamping bolt (green arrow).
Figure 4

Working at the power steering reservoir, loosen the 10mm clamping bolt (green arrow). This will allow the reservoir to be removed from the bracket later. Then remove the two 10mm mounting bracket fasteners (yellow arrows). Removing the bracket with the pump makes it easier to get to the hoses.

Lift the reservoir up and the mounting bracket.
Figure 5

Lift the reservoir up and the mounting bracket. Remove the hose clamps (green arrows) by cutting them with diagonal pliers.

Remove the hoses from the reservoir by pulling them straight off.
Figure 6

Remove the hoses from the reservoir by pulling them straight off. If the hoses are original, they might be quite hard. If needed, cut them off the reservoir and replace with new ones. Then, remove the reservoir from the vehicle.

Replace the hoses if needed.
Figure 7

Replace the hoses if needed. Next install the reservoir into the bracket and place new clamps over the hoses and slide the hoses onto the new reservoir. Mount the reservoir in the bracket. Place the reservoir in the same position as it was before removing. Tighten the 10mm clamping bolt. Then crimp or tighten the power steering hose clamps. Crimp the hose clamps using clamp pliers or a pair of diagonal pliers. If you are using diagonal pliers to crimp hoses, be careful not to cut or damage the clamp. I have an old pair that is worn down and will not cut any longer. Using worn pliers is a good way to avoid ruining the new clamp. You can also use standard hose clamps (green arrow). Be sure they are properly tightened with the reservoir in the correct position. This helps to prevent unwanted stress on the hoses. Install the reservoir fasteners and tighten. Reassemble the remaining items and bleed the power steering system. Before starting the engine, fill the power steering reservoir with clean fluid to the MAX level on the dipstick. Start the engine and turn the steering wheel fully left and right 3 times. Turn the engine off, check fluid level, and add fluid until it reaches the MAX level on the dipstick. When full, fluid should be clear and foam free. Foam or bubbles is a sign of air in the system.

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Comments and Suggestions:
nemidoff Comments: Do you have article about hose replacment?It is very difficult to get to the return pipe steering rack end, isnt it?
March 31, 2016
  Followup from the Pelican Staff: We don't have that article. This one may help.

http://www.pelicanparts.com/techarticles/BMW-X5/30-SUSPEN-M62_8_Cylinder_Power_Steering_Pump_Replacement/30-SUSPEN-M62_8_Cylinder_Power_Steering_Pump_Replacement.htm - Nick at Pelican Parts
 

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Page last updated: Mon 12/5/2016 02:39:33 AM