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Author Topic: transmission problem  (Read 126 times)

Benz Dr.

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  • Canada, ON, Port Lambton
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  • Benz Dr.
transmission problem
« on: September 03, 2025, 15:41:35 »
1970 280SL auto

Trans shifts up and down, kick down works, but it has a very harsh up shift. Down shifts are very smooth. Everything else works.

Any ideas would be welcomed.
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn
1966 230SL 5 speed
1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1990 560SEC

clunker

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  • Posts: 146
  • 1969 US 280SL 4-speed
Re: transmission problem
« Reply #1 on: September 03, 2025, 23:57:20 »
Given the asymmetry of harsh shifts up versus smooth shifts down, is the torque convertor a possible issue?
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Charles
1969 US 280SL 4-speed Red/Black
DB9 / 981 S / G300 SWB / CB750 / etc
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