760 B280F strange power steering issue

Mar 09, 2006 2 Replies
M

Hi all,


- 1987 760GLE w/B280F V6 (North American)


- Cam gear rack


Issue: When engine is warm or cold, the power steering sometimes makes a shuddering through the steering wheel (at parking speeds), and if you look at the wheel outside, it's actually vibrating back n' forth very quickly (and quite noticably)



Ball joints are ok, rack looks good, no leaks, pump isn't making noise/belts quiet.



As mentioned, it does this sometimes, but, I'm wondering if something is quite wrong with the rack/pump?!? Air in the system? Shouldn't be.


Any information would be appreciated.



Cheers


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P

Probably find that the rack internal seals are on the way out, or air is getting in via the track rods at each end of rack. This can also be caused by loose fluid unions on the rack. See your local steering expert for exact diagnosis.

All the best, Peter.

700/900/90 Register Keeper, Volvo Owners Club (UK).
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J

Hi Had the car with same trouble, for me it was the top plates getting dry and rusty,

P.

760 88 240k 940 93 307k

M.R.S. a écrit:

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