Quote:
Originally Posted by JCL
Isn't the reason to replace the reservoir that it includes a non-replaceable filter?
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The filter is non-replaceable, but it is cleanable. Its basically a fine screen.
If you wanted to run some gas or other cleaning liquid through it in order to flush the screen of any trapped contaminants, you could do so, and secure the filter and probably have more life out of it.
You could buy a replacement reservoir for 25 bucks, use the O-ring size I listed (slightly thicker than stock for a better seal, and better material if using fluorosilicone), and then you would have a refreshed PS system for $40 instead of the $10 I listed in the title, lol!
Here is a reference from Bimmerfest on cleaning the filter inside the reservoir at the time of this, which would keep the "refreshment cost" at $10 still, I would obviously clean out the reservoir/filter with gasoline when it is disconnected from the car, don't want any going down the hoses!
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Power steering: Dexron III ATF Bentley page 020-20. (realistically, that means Dexron VI ATF because all GM Dexron III
licenses expired at the end of 2006 & were not renewed by GM). Replacement Interval: Bentley says it's "permanently filled"; but most of us would replace the hygroscopic power steering fluid at
30,000 miles; some recommend removing the 8 ounces (250 ml) in the reservoir at
every oil change - and
removing the T20 Torx bolt on the permanent reservoir screen every 5 years to
clean the circular filter more thoroughly to prevent cavitation - and to replace the
power steering cap o-ring every five years to prevent misting.
[Volume: about 2 quarts to replace; otherwise about 1 quart to flush the reservoir twice & clean the filter screen; the
fluid level should be between the MIN/MAX marks on the dipstick].
Personally I'd just take the extra few mins to flush the screen out when doing this service, as it's pretty easy (just don't drop the T20 screw securing the filter, lol!)