buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Valve Body: Customer Interest
A/T - Harsh 3-2 Gear Detent Downshift at High Altitudes

Bulletin 88-7440-10

Date  Sept. '88

Ref. No. 88-229-7440

Corp. Ref. No. 877135R
SUBJECT:

HARSH 3-2 DETENT DOWNSHIFT AT HIGH ALTITUDES

MODELS AFFECTED: 1988 VEHICLES EQUIPPED WITH A THM 440-T4 (ME9) TRANSAXLE

FIGURE 2 - 3-2 CONTROL VALVE LINE UP

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