Celebrity V6-173 2.8L (1989)
Beginning December 18, 1989 (Julian Date 352), all 1990-91 HYDRA-MATIC 4T60 transaxles have been built using the short lip design for the input
inner piston seal and
VAMAC (R)material for the input/3rd inner piston seals.
SERVICE PARTS INFORMATION:
Short lip seals and the VAMAC material seals are interchangeable with the current seals. These new seals will service all 1984 through 1991 models.
The new design will replace the current seal in service packages as stock is depleted.
SERVICE MANUAL REFERENCE:
Refer to the appropriate 1984 through 1991 Service Manuals for proper disassembly and assembly procedures. We believe this source and their product
to be reliable. There may be additional manufacturers of such products. General Motors does not endorse, indicate any preference for or assume any
responsibility for the products or equipment from these firms or for any such items which may be available from other sources."
