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Power Steering Fluid Reservoir Replacement
 
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Pelican Technical Article:

Power Steering Fluid Reservoir Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$40

Talent:

***

Tools:

small pump, hose clamp pliers, 10 mm socket

Applicable Models:

A6 2.7T (1997-04)
A6 2.8 (1997-02)
A6 3.0L (2002-04)
S6 4.2 (1997-04)

Parts Required:

Power Steering Fluid Reservoir Replacement

Hot Tip:

Use a turkey baster or small pump to remove all the fluid

Performance Gain:

No more leaking fluid

Complementary Modification:

Flush out power steering fluid from rack

The power steering fluid reservoir in the Audi A6 is prone to leaks after years of use. Like the coolant reservoir, the plastic tends to dry up over time, turns yellow and starts to leak as the seam along the tank cracks. Replacing the reservoir is easy and should take about an hour.

Failure to replace a leaky reservoir can eventually lead to damage to the system. Replacing a leaking tank is much cheaper than having to replace the entire steering rack due to loss of fluid.

Be sure to remove as much fluid from the old reservoir as you can with either a small pump or turkey baster. The idea here is to prevent a huge amount of fluid from leaking out. Once the tank is replaced, fill it with fresh fluid and, with the engine running, turn the steering wheel fully from left to right to get as much air out of the system as possible.

Begin by pulling the plastic cover (green arrow) up and off the reservoir.
Figure 1

Begin by pulling the plastic cover (green arrow) up and off the reservoir. It take a little effort to pull it off, so don't be surprised when it releases.

Open the reservoir cap (green arrow) and remove as much fluid as you can (if there is any left inside) with a turkey baster or a small hand pump.
Figure 2

Open the reservoir cap (green arrow) and remove as much fluid as you can (if there is any left inside) with a turkey baster or a small hand pump.

Now loosen and remove the two 10 mm bolts (green arrows) holding the reservoir to the body.
Figure 3

Now loosen and remove the two 10 mm bolts (green arrows) holding the reservoir to the body.

Lift the plastic retainer plate holding the electrical connectors (green arrow) off the mounting tab (yellow arrow).
Figure 4

Lift the plastic retainer plate holding the electrical connectors (green arrow) off the mounting tab (yellow arrow). This will allow you to access the fluid hoses at the bottom of the tank (purple arrows). Use a pair of hose clamp pliers to loosen the clamps and pull the hoses off. Be prepared for some fluid to leak out.

Note the mounting tab (green arrow) at the bottom of the reservoir.
Figure 5

Note the mounting tab (green arrow) at the bottom of the reservoir. This fits into the grommet on the body (purple arrow) when fitting the new one. At this point, you can install the new reservoir and fill it with fluid. With the engine running, turn the steering running full lock left to right several times and check the fluid level. Once the fluid level is normal, you're finished.


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Page last updated: Mon 10/23/2017 03:20:57 AM