Lumina L4-151 2.5L (1991)
Figure 1
TO:
ALL CHEVROLET DEALERS
BULLETIN COVERS: (Figure 1)
New input and 3rd clutch inner piston seals for a vehicle equipped with a 1990-91 HYDRA-MATIC 4T60 transaxles. The new seals are both made from
VAMAC material(R). The 3rd clutch inner piston seal is identical to the previous but does not have the hash marks. The new input inner piston seal is a
short lip design.
DATE OF PRODUCTION CHANGE:
