Century V6-173 2.8L VIN W FI (1987)
Fluid Pump: All Technical Service Bulletins
A/T - THM 440-T4 Slip or No Drive
Bulletin 87-7440-6
Date
Apr. '87
Ref. No. 87-102-7440
Corp. Ref. No. 717104R
SUBJECT:
SLIP OR NO DRIVE, THM 440-T4 (ME9)
MODELS AFFECTED: 1987 CENTURYS, ELECTRAS, LESABRES AND RIVIERAS
BULLETIN COVERS
A slip or no drive condition on a THM 440-T4 transaxle may be caused by low line pressure due to the pump slide binding on excessive casting flash
when the slide is in the low pressure position. Modulator vacuum will not affect line pressures if this condition is present.
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION
DATE OF PRODUCTION - (Figure 1)
THM 440-T4 transaxles built between November 26, 1986 (Julian Date 330) and January 12, 1987 (Julian Date 012) may exhibit this condition.
