r F rr pf je I t g D4EDRMA 1 I I ALERT Many aluminum components have been incorporated ln these models Aluminum in contact with steel may corrode rapidly ii not protected by means of special iinishes or isolators Many of the fasteners used in the front sheet metal area have the new GM 6l l4M phosphate organic finish which will provide adequate protection ln some places however special fasteners have been released in conjunction with aluminum components These special fasteners will have an argent silver color GM 6173M zinc organic I lnish to tdentify them from the standard metric bolts screws or nuts which are metric blue color Assembly Plants are hereby advised to avolo substitution or other wise similar fasteners in locations specifying GM 6174M type or special fasteners with the GM 61 13M finish for aluminum components I vt Pub 7 1 I 1 2 4w ft 2 5 ECL mzm 78 ALL VEHICLE 122 i 1 G W Vw ri 2 T 2 e wt l V gg l gggggg T It rj rrrr ji j 2 1 1 t l ua 1wmn CORROSLN iO l ECTlGN 1 c v J 4 r m n i Ei l r y ugq pC1 Eg T12 i J ZZ 22251 Z V t s rr g e ye V m nm T i lg 0 A1 1 5