oldsmobile Workshop Repair Guides

Oldsmobile Workshop Service and Repair Manuals

All Technical Service Bulletins for Valve Body:|86T60 > < A/T - Harsh Upshift/3-2 Shift Conditions|Page 4470
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(1)

Cup Plug (Orificed)

(2)

Instruction Sheets

(1)

Vacuum Modulator Asm.

(1)

Modulator Valve

(1)

O-Ring Seal

(1)

Instruction Shoot

FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION

Service Parts Information:

Service

Transaxle Model

Package Number

Identification (Refer to Figure 1)

8646956

6CFH, 6CMH, 6CNH, 6HBH, 6HJH

8646956

5CM, 5CN, 5CP, 5CW, 5HA, 5HJ, 5HT

8646966

6AAH, 6ACH, 6AFH, 6AMH, 

8646966

5AF, 5AM

8646967

6ADH, 6ARH

Service Notes:

A new vacuum line from the engine to the vacuum modulator must also be installed when using the service package listed above.

Part Number - 14062624

Other items affecting harsh upshift conditions are:

-

Engine vacuum leeks

-

Sticking Modulator valve

-

Restrictions in the vacuum lins such as point in the modulator tube or other foreign material.

All Technical Service Bulletins for Valve Body:|86T60 > < A/T - Harsh Upshift/3-2 Shift Conditions|Page 4470