ZF powersteering pump rebuild - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 09-25-2010, 12:25 PM Thread Starter
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Date registered: Jun 2010
Vehicle: 1983 380SL, 1985 500SL, 1986 560SL
Location: Oklahoma City
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ZF powersteering pump rebuild

I just finished rebuilding my ZF powersteering pump and with the new seals in it, it seems significantly more difficult to turn.

Two possible reasons I see for this:
1. the new other seal makes better contact with the pump, making it spin less freely.

2. When I was talking it apart, I did not remove the gear guide and it got pushed out by the unit as the spindle was was coming out. I examined this and it just seem to scar the metal under the outer seal, so I did not concern myself with it really.

Finally, in the reseal kit from **********.biz, there was a metal ring that I did not use as I could not figure out where it went. Any ideas?

Thanks, Bill
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