Somebody will correct me if I'm wrong, but I think that is (was) a metered orifice. Too much vacuum there could cause excessivly smooth shifting, which wears out the transmission clutches. I think the proper fix is to replace the complete booster line (which isn't as expensive as you might think).

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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