Gilly:

It DOES work very well until the rubber goes.....

I prefer the system on the 60x diesels -- just a spring and shock, usually lasts about 200,000 miles when the shock goes and the spring snaps. 20 min fix for either one.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!