HARCH 1-2 SHIFT ON LIGHT THROTTLE ACCELERATION. Buick Century 1998

THIS IS A MONTHLY SERVICE NEWSLETTER ARTICLE THIS IS NOT INTENDED TO BE A PUBLISHED BULLETIN

SUBJECT: HARSH 1-2 SHIFT ON LIGHT THROTTLE ACCELERATION (INSPECT ACCUMULATORS AND VALVE BODY FOR SEDIMENT OF BURRS)

MODELS: 1998 BUICK CENTURY AND REGAL WITH 4T60E TRANSAXLE

CONDITION:

HARSH 1-2 SHIFT ON LIGHT THROTTLE ACCELERATION.

CORRECTION:

RECENT ANALYSIS HAS SHOWN THAT, IN ADDITION TO THE DIAGNOSIS PER THE SERVICE MANUAL, CHECK FOR THE FOLLOWING:

1) DAMAGE/DEBRIS IN THE 1-2 OR 2-3 ACCUMULATOR HOUSING. 2) A METAL SHAVING (BURR) IN THE 1-2 ACCUMULATOR SECONDARY VALVE TRAIN IN THE VALVE BODY.

TO REPAIR THIS CONDITION, CLEAN THE VALVE BODY OR ACCUMULATOR HOUSINGS OF DEBRIS. IF DAMAGE IS EVIDENT, REPLACE THE APPROPRIATE PARTS.

FIGURES: 00 ATTACHMENTS: 00

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