Document NEvezkBNqeEe819Kx8KYzZevD
The suppliers of clutch plates and bands for automatic transmissions since 1964 have been Raymark and Spring-Brummer Division ofBorg-Warner Corporation. The suppliers ofbands since 1964 have been Spring-Brummer Division or Borg-Wamer Corporation and D.A.B Industries. Suppliers of clutch plates are Sheepbridge, Raybestos, Manhattan, Raymark, S.K.Wellman, Thermoset, Borg Warner, and Delco Moraine.
Suppliers of clutch plates for manual transmissions facings were (dates are approximate):
Raymark Industrial Division Southfield, MI
1965 - 1985
H. K. Porter Troy, Michigan
1965- 1971
Sources ofassemblies were (dates approximate):
Borg Warner Corporation Chicago, III.
1930 - 1985
Borg & Beck Sterling Heights, MI
1974 - 1984
LUK, Inc. Southfield, MI
1983 - 1985
Alma Products Co. Alma, MI
1974-1985
Daikin (Asahi facings) Troy, MI
Unknown
GM purchased friction materials that it used on clutch plates discs from other companies that
were not manufactured by GM. Some ofthese clutch plates or discs contained asbestos and others
did not. GM's understanding ofthe industry practice is that chrysotile was best suited for and used
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