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6.9 Steering feel?

Started by daantjie, 25 March 2019, 10:35 AM

TJ 450

The other thing that could be a factor is fluid type used, yes given the atrocious history of a lot of cars is the reason. Other models such as the W126, 107s etc also suffer from similar wear as well. I guess I was lucky with mine as I was able to adjust the free play in the centre position out to less than 1", but the adjuster is most of the way out now.

I have been using a synthetic power steering fluid, and change it every year or so with the later paper filter element.

Tim
1976 450SEL 6.9 1432
1969 300SEL 6.3 1394
2003 ML500

daantjie

Quote from: TJ 450 on 28 March 2019, 03:11 AM
The other thing that could be a factor is fluid type used, yes given the atrocious history of a lot of cars is the reason.

Hmmm interesting.  I have clean ATF Dex III in the system, but I guess I should flip this over to full syn PS Fluid ::)
Daniel
1977 450 SEL 6.9 - Astralsilber

TJ 450

Yes, Kent certainly has his opinion on fluids and he has mentioned ATF vs. P.S. fluids a while back as being a possible cause of leaks and wear issues.

Tim
1976 450SEL 6.9 1432
1969 300SEL 6.3 1394
2003 ML500

Mick74

A quick update on the 6.9 steering issue. I sourced a second hand box in Germany, from a 1976 6.9, and a new coupler. New fluid and filter as well. I only drove it in traffic, for a short distance, but already, it's a big improvement, with very little play and gives you much more confidence, and I still have to replace the idler arm bushes and front suspension bushes as well (the front wheel moves back under braking!). When all that is done, I'll give another update.
1979 6.9 #6475