Century L4-151 2.5L VIN R TBI (1985)
Governor Pressure Switch: Customer Interest
A/T - THM 440-T4 Erratic Shifts/No Upshifts
Bulletin:
87-7440-11
Date:
Sept., '87
Ref.No. 87-173-7440
Corp. Ref. No. 777137
SUBJECT:
ERRATIC SHIFTS/NO UPSHIFTS
MODELS AFFECTED: ALL 1984-87 THM 440-T4 (ME9) TRANSAXLES
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION
BULLETIN COVERS
Erratic shifts or no upshift in a THM 440-T4 transaxle may be caused by particles of hardened Imprex (TM) material lodging in the governor pressure
channel. (Imprex (TM) is an "impregnation plastic" used in the manufacturing of cases to help seal the case and minimize porosity.)
FIGURE 2 - GOVERNOR ASSEMBLY