Century V6-173 2.8L VIN W FI (1987)
Shift Modulator: Customer Interest
A/T Modulator Valve - Buzzing Noise
Bulletin:
87-7440-12
Date:
Oct., '87
Ref. No. 87-172-7440
Corp. Ref. No. 777138
SUBJECT:
MODULATOR VALVE BUZZ NOISE
MODELS AFFECTED: 1986-87 THM 440-T4 TRANSAXLES BUILT PRIOR TO FEBRUARY 1, 1987 (JULIAN DATE 032)
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION
BULLETIN COVERS: (Figure 1)
Modulator valve buzz noise can be caused by a missing orificed cup plug in the modulator circuit of the channel plate for transaxles built prior to
February 1, 1987 (Julian date 032).
