I tried 2 GSP's also. One is bad -- noisey and slinging grease. The other is OK. I maybe have 5000 miles on them. 1984 300D

I will replace the bad one, but if either fail again, I will go with a rebuild on the MB ones I took out.

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1984 300D 398K-daily driver
1998 Honda Accord 102K -wife's daily driver
1991 Volvo 740 289K
2000 Toyota Corolla 143K