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Author Topic: Auto transmission slipping  (Read 2121 times)

brad

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  • United Kingdom, England, Barrow-In-Furness
  • Posts: 31
Auto transmission slipping
« on: August 28, 2015, 09:29:06 »
Hi my auto transmission on 230sl 1965, has started slipping in all forward gears after driving up a steep hill and kick down utilised, Venturi / throttle switch &  transmission solenoid all good, will check modulator pressures next, The transmission has only done 1500 miles since rebuild but did spend two years not in use until two months ago ( last 150 miles).
Any thoughts, Brad
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ja17

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  • USA, OH, Blacklick
  • Posts: 7414
Re: Auto transmission slipping
« Reply #1 on: August 28, 2015, 13:48:55 »
Brad,

Make sure that the transmission linkage is not stuck from lack of use. 
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback

brad

  • Associate Member
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  • United Kingdom, England, Barrow-In-Furness
  • Posts: 31
Re: Auto transmission slipping
« Reply #2 on: August 28, 2015, 14:22:48 »
Thanks Joe,
The linkage seems ok, I've just removed the pan & filter no signs of debris in the oil, after replacement and top up I'll check the modulator pressures, Is the test point the 12mm hex head plug forward of the modulator in the bottom corner of on the transmission body?

Regards Brad
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