6.9 High Pressure Steering Hose

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john erbe

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In that it's NLA for the 6.9 , pleased to report that the same hose from the 126 chassis (V8) appears interchangeable. Installed one today on my 6.9 from an '85 gleaned at local Pic N' Pull. After test drive with many turns, no moaning or groaning. Length and end fittings are identical.
 

Michel

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That's great news John, thanks for letting us know.
 

Styria

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Absolutely good news John. It is only in the last three months that I have had an involvement with a 6.9 that would groan and gurgle with a set up that was being used. When stationary, and on Idle, one could hardly move the Steering wheel. Another workshop obtained three replacement hoses (second hand), with one working, and the other two not. Unfortunately, those hoses were only on "loan" from the owner of those three 6.9s to try out and experiment, but the car in question had the original "faulty" hose refitted, plus some work on the Steering Pump itself. The car is certainly still far from perfect. Incidentally, the Steering Pump specifications are exclusive to the 6.9, even though a unit from a 450 will fit.

Gleaming Beauty, my 6.9, is not super smooth with the way it presently operates, but surely one should be able to have a correct hose re-manufactured by competent hydraulic people. It is something that I will have to get my teeth into.
 
OP
J

john erbe

Noble
Messages
65
Points
114
Location
vallejo, california
Relatedly, the hose i took off the '85 500 had a wider diameter than the original and appeared more robust. I later went to another wrecker and attempted to get a back-up off an '87 and noted that it appeared identical to my original hose with the same smaller diameter and the protective sleeve. Makes me think that Mercedes may have come out with an upgrade which was present on the '85 126.
 
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