Corsica L4-121 20L (1988) Brake Caliper System Changes - Technical Service Bulletin
Parts Identification:
The new brake booster part number listed in this bulletin can be identified by the broadcast code "NT" printed on the bar code label which is attached to
the part. See Illustration, View A.
The new master cylinder part number listed in this bulletin can be identified by a broadcast code of "NT" stamped on the aluminum housing. See View
C. The broadcast code of "NT" is also printed on the bar code label attached to the rear of the brake fluid reservoir, view B. The brake booster, master
cylinder, and brake fluid reservoir MUST all have a broadcast code of "NT" on all vehicles built after the VIN breakpoints listed in this bulletin.
Use applicable Labor Operation Number and Labor Time.
