Electra V6-260 4.3L DSL (1984)
Governor: Customer Interest
A/T - THM 440-T4 Second Gear Starts
Bulletin
87-7440-9
Date
Aug. '87
Ref. No.
87-165-7440
Corp. Ref. No. 777132
SUBJECT:
SECOND GEAR STARTS
MODELS AFFECTED: 1984-1987 THM 440-T4 (ME9)
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION
BULLETIN COVERS
A 1984-1987 vehicle equipped with a THM 440-T4 (Figure 1) may start out in 2nd gear instead of 1st gear. This condition could occur intermittently or
all the time.
SERVICE ACTION
High line pressure could be a cause by holding too much governor pressure and not allowing the 1-2 shift valve to downshift. Check line pressure and
governor pressure. Governor pressure should be below 3.0 psi at 0 mph.
FIGURE 2
