Bonneville V6-3800 3.8L Supercharged (1992)
Valve Body: All Technical Service Bulletins
A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
Group Ref.: Transmission
Bulletin No.: 477102
Date: March, 1994
SUBJECT:
HARSH 1-2, 2-3 AND 3-4 UPSHIFTS (REPAIR ACCUMULATOR VALVE(S) IN CONTROL VALVE BODY)
MODELS:
1991
BUICK REATTA
1991-93
BUICK RIVIERA
1991-94
BUICK PARK AVENUE AND REGAL
1992-94
BUICK LE SABRE
1994
BUICK CENTURY AND SKYLARK
1991-93
CADILLAC ELDORADO, SEVILLE, SIXTY SPECIAL AND
FLEETWOOD (FWD)
1991-94
CADILLAC DE VILLE
1991-94
CHEVROLET LUMINA
1992-94
CHEVROLET LUMINA APV
1994
CHEVROLET BERETTA AND CORSICA
1991-92
OLDSMOBILE TORONADO AND TROFEO
1991-94
OLDSMOBILE NINETY EIGHT AND CUTLASS SUPREME
1992-94
OLDSMOBILE EIGHTY EIGHT AND SILHOUETTE
1994
OLDSMOBILE CUTLASS CIERA AND ACHIEVA
1991-94
PONTIAC GRAND PRIX
1992-94
PONTIAC BONNEVILLE AND TRANS SPORT
1994
PONTIAC GRAND AM
TRANSAXLE APPLICATIONS:
HYDRA-MATIC 4T60-E (RPO M13)
CONDITION:
Some owners may experience a harsh 1-2, 2-3 or 3-4 upshift condition. The harsh upshift condition will usually be noticeable during a light to medium
throttle upshift.
