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A/T - THM 440-T4 Delayed 2-3 Shift/Loss of 3RD Gear


Bulletin No. T 87-45A
File in Group 7
Number 150
Corp. Ref. No. 717102
Date Jan. '87

SUBJECT: THM 440-T4 DELAYED 2-3 SHIFT OR LOSS OF 3RD GEAR

MODELS AFFECTED: 1985-1987 DE VILLE AND FLEETWOOD 1986-1987 ELDORADO AND SEVILLE

Figure 1 - 3rd Gear:





Some 440-T4 transaxles may exhibit a delayed 2-3 shift or loss of 3rd gear caused by a cut or damaged 3rd clutch inner seal. To correct this condition, a new thicker 3rd clutch inner seal (Item #635A - Figure 1) has been released. This change entered production after September 1, 1986 (Julian Date 244) and is also incorporated in all Service Replacement Transaxle Assembly (SRTA) models, effective November 15, 1986 (Julian Date 319). To repair models built prior to these dates, a Service Package (P/N 8646991) has been released. This package contains:

^ Housing and Shaft Assembly, Input
^ Seal, 3rd Clutch Inner
^ 3rd Roller Clutch Assembly
To service 1987 models built after September 1, 1986 (Julian Date 244) or SRTA models after November 15, 1986 (Julian Date 319), use: Seal Kit, (P/N 8644919).

For warranty purposes, use Labor Operation T6189 for 7.1 hours.