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Discussion Starter #1
Hi all

My 159 has developed a whine and ever so slight judder in the steering wheel. Based on previous posts this could be anything from power steering fluid to something more expensive. As quite a few ppl have solved it with a ps fluid replacement I thought I'd do that first. My question is, what should I buy? Should I only use the Tutela GI/R or can I use any dexron III rated fluid as stated in the manual? Eg halfords own brand advanced fluid?

I ask because halfords is down the road so I could sort this out tomorrow,rather than wait for a delivery and fork out a lot on postage.
 

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my 159 developed the whine which turned out to be a broken reservoir. My red fluid (dextron III) was foaming heaviliy and coming out of the reservoir cap.

Issue sorted with replacement reservoir and refilled with green GI/R fluid. My steering wheel didnt judder for what its worth.

How does your fluid look?
 

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Discussion Starter #3
Fluid is red, bubbly but not what I'd call frothing. Certainly not overflowing. Difficult to tell in the dark but could be low. Vague recollection that it was not changed at service as "it was fine". May just be that it is low and needs topping up.
 

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Worth a go changing the fluid/resevoir.

There are a few threads on the topic here.

Basically you need 2 bottles of GI/R fluid (green) and the new PAS resevoir. Looking at around 60 quid from your dealer for these.

There is a detailed write up of what to do on here, just search for it.

Let us know how you get on if you do it
 

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Don't know about Alfas in particular (I haven't got mine yet!) but generally a loose or slipping power steering belt can cause this, the steering would judder near full lock
 

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this is a common problem on 159's - i'll bet my mortgage it can be solved with a new reservoir. in short, the original design has a non-return valve that can come loose and cause the whining noise and the fluid to foam/bubble as air gets into the system. the newer design reservoir has rectified this weakness and they're £40 from most places. it's a DIY job if you follow the 'how to' threads on here - but beware the clips on the 2 hoses can be a [email protected] to get back on

as far as the fluid itself, there's some debate as to which is the right one - the reddy brown one which most cars seem to come with, or the yellow/green GI/R stuff. gus at alfatune (very well respected indie alfa garage) fixed mine and said he can't really see any advantage of one fluid over the other.
 

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Discussion Starter #7
Drained as much of the fluid as possible this morning and refilled, still whining away. Increases significantly when I turn the wheel. Will book it in next week and get the reservoir changed and everything checked over. Sounds worringly like a dying pump. Came on very quickly.
 

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this is a common problem on 159's - i'll bet my mortgage it can be solved with a new reservoir. in short, the original design has a non-return valve that can come loose and cause the whining noise and the fluid to foam/bubble as air gets into the system. the newer design reservoir has rectified this weakness and they're £40 from most places. it's a DIY job if you follow the 'how to' threads on here - but beware the clips on the 2 hoses can be a [email protected] to get back on

as far as the fluid itself, there's some debate as to which is the right one - the reddy brown one which most cars seem to come with, or the yellow/green GI/R stuff. gus at alfatune (very well respected indie alfa garage) fixed mine and said he can't really see any advantage of one fluid over the other.
Interesting details Al :thumbs: I was wondering just what it is about the 'magical' green fluid that made all the difference, but there is clearly more to it than that.
 

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Interesting details Al :thumbs: I was wondering just what it is about the 'magical' green fluid that made all the difference, but there is clearly more to it than that.
I believe the green Tutela Gi/R is thinner, maybe that is what is needed for our generaly colder climate, compared with Italy.

Rob
 

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Discussion Starter #11
Good news! One new reservoir and GI/R fluid later, no more whine. A big thanks to everyone with their advice.

For reference for those having this problem in the future, I got the res from mangoletsi and the fluid from shop4parts.co.uk. My local spanner - not an AR specialist - did the work following the instructions on here.
 

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Discussion Starter #16
Damn..so there is no way of telling unless you start to see frothing PS fluid?:lol:
From my experience it is more likely that you'll notice the incredible whine from the pump first :) sounds awful but fortunately no damage. I started to notice a very low whine a few days before, then it suddenly came on. Just check you have not lost any fluid.
 

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After reading this you may have saved me a lot of heartache! :thumbs:

Just started getting the whine and a bit a judder in the last week (noticable at low speeds and when cold), also looked like the brake fluid (GI/R) was boiling, just replaced the reservoir one from a breakers for a tenner off a very low mileage car. When I got the old one off the valve at the bottom was rattling round!
By the way, GI/R is identical to Comma CHF 11S, which is much easier (and cheaper at 11.49 a litre) to get hold of. It took me some finding the specs of GI/R, checked the specs and they are identical, and yes it is also green!

Just replaced the reservoir for the moment (a 5 minute job, if that), but already no whine, may flush when I buy another ltr of CHF 11S as the existing PAS fluid was looking a bit mucky.

You can buy the replacement fluid at most motor factors e.g

Comma CHF 11S Central Hydraulic Fluid - 1 Litre [CO-CHF1L] - £11.49 - Wilco Direct - Car Parts and Accessories - Car parts and Car Accessories, for cleaning your car, reparing your vehicle, or adding in car entertainment
 
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