A/T - New Input Clutch and 3rd Clutch Seal Installers
88buick03Bulletin: 88-7440-3
Date: Feb. '88
Ref. No.: 8-075-7440
Corp. Ref. No.: 877110
SUBJECT: NEW INPUT CLUTCH AND 3RD CLUTCH SEAL INSTALLERS
MODELS AFFECTED: ALL 1984-1988 VEHICLES EQUIPPED WITH THM 440-T4 (ME9) TRANSAXLES
BULLETIN COVERS
New seal installation tools for the input clutch inner piston seal (629) and the 3rd clutch inner piston seal (635). These tools are to be used when servicing the input clutch assembly on all 1984 through 1988 vehicles equipped with a THM 440-T4 transaxle.
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION:
FIGURE 2 - INPUT CLUTCH HOUSING AND SHAFT ASSEMBLY:
DATE OF PRODUCTION CHANGE (Figure 1)
July 29, 1986 (Julian Date 210) all 1987 THM 440-T4 transaxles were built using a new design input housing and shaft assembly (626). Refer to Figure 2 for the specific changes.
FIGURE 3 - J 37361 AND J 37362 SEAL INSTALLERS:
SERVICE ACTION
When servicing the input clutch housing and shaft assembly on a 1984 through 1988 THM 440-T4 transaxle use the new seal installation tools, J37361 and J37362 (Figure 3). The previous design tools, J34091 and J34092 will work on 1984-1986 transaxles only.
SERVICE MANUAL REFERENCE
Use Figure 3 to update information contained in your 1987 and 1988 THM 440-T4 Automatic Transaxle Unit Repair section.
SERVICE NOTES
For warranty purposes, when replacing the input clutch inner piston seal and 3rd clutch inner piston seal use Labor Operation K7535. For this operation, and to recondition the transaxle completely, refer to the appropriate Labor Time Guide for applicable labor time information.