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Hydramatic question

Started by jwwseville60, May 22, 2024, 07:14:00 PM

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jwwseville60

On my 1963 sedan, the trans hunts back and forth between 1-2 gears on a steep incline with gentle moderate throttle. Give it more gas and it smacks into first.
Is this normal or a sign that it needs a rebuild?
Thanks!
Lifetime CLC

Cadillac Jack 82

TV rod adjusted right?
Tim

CLC Member #30850

1959 Cadillac CDV "Shelley"
1966 Oldsmobile Toronado "Sienna"

Past Cars

1937 LaSalle Cpe
1940 Chevrolet Cpe
1941 Ford 11Y
1954 Buick 48D
1955 Cadillac CDV
1955 Packard Clipper
1957 Cadillac Series 62
1962 VW Bug
1962 Dodge 880
1964 Cadillac SDV
1966 Mercury Montclair
1967 Buick Wildcat Convertible
1968 Chevy Chevelle SS
1968 Plymouth Barracuda
1977 Lincoln MKV

Roger Zimmermann

It could be that the front unit coupling (responsible for second and 4th gear) is leaking. Not enough that the transmission will do only 1-3 when warm but just enough to be unstable.
Anyway, hard to do a diagnostic from the other side of the ocean!
1956 Sedan de Ville (sold)
1956 Eldorado Biarritz
1957 Eldorado Brougham (sold)
1972 Coupe de Ville
2011 DTS
CLCMRC benefactor #101

Big Fins

Not doubting you, but are sure it's a 1-2 hunt and not a 2-3? First even at wide open throttle is only good for 25mph at best. It just gets the 5000 pound beast moving.
Current:
1976 Eldorado Convertible in Crystal Blue Fire Mist with white interior and top. (Misty Blue)

Past and much missed:
1977 Brougham de Elegance
1976 Eldorado Convertible
1972 Fleetwood Brougham
1971 Sedan de Ville
1970 de Ville Convertible
1969 Fleetwood Brougham
1969 Sedan de Ville
1959 Sedan deVille

Eric DeVirgilis CLC# 8621

I don't know if it's possible to remain in first gear beyond 5-10 MPH no matter what you do. There's no direct way to hold the car in first with the lever setting; "L" position only limits the transmission to first and second.   
A Cadillac Motorcar is a Possession for which there is no Acceptable Substitute

Roger Zimmermann

Quote from: Eric DeVirgilis CLC# 8621 on May 23, 2024, 10:56:05 AMI don't know if it's possible to remain in first gear beyond 5-10 MPH no matter what you do. There's no direct way to hold the car in first with the lever setting; "L" position only limits the transmission to first and second.   
It's possible, but only when something is going wrong: the weight on the governor from my '56 de Ville went off during the drive: I had only first and reverse...Fortunately, I was as 1/2 mile from my garage!
1956 Sedan de Ville (sold)
1956 Eldorado Biarritz
1957 Eldorado Brougham (sold)
1972 Coupe de Ville
2011 DTS
CLCMRC benefactor #101