Electra V6-181 3.0L (1985)
Valve Body: All Technical Service Bulletins
A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
Bulletin 91-7440-5
Date
Oct. '90
Ref. No. 91-047-7440
Corp. Ref. No. 077140
SUBJECT:
NO 3RD GEAR, AND/OR NO DRIVE OR REVERSE - CENTER GEARBOX DISTRESS DIAGNOSTIC TIPS
MODELS AFFECTED:
1984-91 CENTURY WITH 4T60 (44OT4) TRANSAXLE 1985-90 ELECTRA/PARK AVENUE 1986-91 LESABRE
1986-90 RIVIERA 1988-91 REGAL 1988-90 REATTA
BULLETIN COVERS:
Center gearbox distress diagnostic tips - all 1984-91 Hydra-Matic 4T60 transaxles. Center gearbox distress in a Hydra-Matic 4T60 transaxle may result
in one of the following conditions:
1.
No 3rd gear or slips in 3rd gear due to a distressed 3rd roller clutch cage.
2.
No drive or reverse due to a distressed input sprag.
3.
Distressed 3rd and input clutch fiber and reaction (steel) plates.