Any - PAS fluid - change? | Technical matters | Back Room Forum

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Tue 18 Feb 2020 12:13

Any - PAS fluid - change? - Andrew-T

I can't find any suggestion that routine maintenance should include changing PAS fluid. My Pug 306 is now 25 years old, and I'm sure auto-transmission fluid (the same stuff) would have been replaced during that time. I doubt that will have happened to this car, though it has been properly serviced. Of course PAS fluid doesn't get hot during use, so any suggestions ? .

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Tue 18 Feb 2020 12:26

Any - PAS fluid - change? - Gibbo_Wirral

Its not something I've done myself, but I'm sure I read that when the driveshafts need their inevitable replacement, all the fluid drains out and its replaced then?

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Tue 18 Feb 2020 13:17

Any - PAS fluid - change? - gordonbennet

I use a clean turkey baster (bought for such purposes) and remove as much oil from the reservoir as possible, refill then repeat this every few days until the oil removed is showing clean.

I did both cars a few weeks ago oddly enough.

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Tue 18 Feb 2020 17:41

Any - PAS fluid - change? - bathtub tom

Of course PAS fluid doesn't get hot during use, so any suggestions ? .

Oh yes it does. It's doing 'work' and being pumped, so heat will be generated in it. I've seen PAS fluid oil coolers on some cars, Often no more than a metal pipe down by the radiator.

I can't understand why it would drain out when removing a drive shaft?

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Tue 18 Feb 2020 18:27

Any - PAS fluid - change? - John F

As regulars might guess, I've never bothered. Never had any trouble. Can't remember ever seeing a change advised in any handbook I've had.

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Wed 19 Feb 2020 14:29

Any - PAS fluid - change? - Andrew-T

<< I can't understand why it would drain out when removing a drive shaft? >>

I believe Gibbo thought I meant that my car had auto transmission - it doesn't (God forbid). I couldn't understand it either .... :-)

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Thu 20 Feb 2020 12:09

Any - PAS fluid - change? - Gibbo_Wirral

I can't understand why it would drain out when removing a drive shaft?

Sorry, I was thinking of something else and got the two mixed up.

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