http://www.peachparts.com/shopforum/showthread.php?t=137958&highlight=brake+booster

check this link.

let us know what you find. The bug is going around.

__________________
1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
********************
1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD