A/T - Service Manual Update
88olds03NUMBER: 87-T-62
CORP. REF NO.: 777148
DATE: January 1988
SECTION: 7A
SUBJECT SERVICE MANUAL UPDATE INFORMATION
MODELS/YEARS 1986 AND 1987 MODELS EQUIPPED WITH
THM 440-T4 (ME9) TRANSAXLE
VEHICLE APPLICATIONS:
Cutlass Ciera, Delta 88, Ninety-Eight and Toronado
BULLETIN COVERS:
Updates to Chassis Service Manual information in the 1986 440-T4 Automatic Transaxle Unit Repair Section and 1987 440-T4 Automatic Transaxle Hydraulic Diagnosis and Unit Repair Sections.
Update the figures in your 1986 and 1987 Chassis Service Manuals with revisions provided in this bulletin (refer to the chart below).
FIGURE 1 - 1986 PRELIMINARY CHECK PROCEDURE:
FIGURE 2 - 1987 PRELIMINARY CHECK PROCEDURE:
SERVICE NOTES:
When checking line pressures on a THM 440-T4 transaxle, it is important to follow the steps as described in the preliminary check procedure in Figures 1 and 2. Using the T.V. cable to check maximum line pressures will not provide accurate readings.
FIGURE 1 - 1986 PRELIMINARY CHECK PROCEDURE:
FIGURE 2 - 1987 PRELIMINARY CHECK PROCEDURE:
FIGURE 3 - TRANSAXLE INTERNAL COMPONENTS:
FIGURE 4 - SHIFT SPEED CHART:
FIGURE 5 - NEW THERMAL ELEMENT PIN HEIGHT GAUGE J 34094-A:
REVISED SERVICE MANUAL INFORMATION
Bulletin
Figure Model Figure
Number Year Section Page Number
1 1986 Automatic Transaxle Unit Repair 440-T4-5 4
2 1987 Hydraulic Diagnosis 440-T4-4 3
3 1987 Automatic Transaxle Unit Repair 440-T4-14 34
4 1987 Hydraulic Diagnosis 440-T4-3 2
5 1986 Automatic Transaxle Unit Repair 440-T4-69 79
5 1987 Automatic Transaxle Unit Repair 440-T4-52 79