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Author Topic: clunking noise on down shifts?  (Read 2644 times)

bugeye

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clunking noise on down shifts?
« on: April 11, 2011, 04:58:24 »
I am new to this Forum. I have a 1970 280SL that I purchased about 5 months ago. On down shifts after the car warms up I hear a clunk sound which seems to come from the rearend area. Has anyone had any experience similar to this or know what the cause is?

Thanks
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Ulf

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  • Denmark, Fredericksberg, Rungsted Kyst
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Re: clunking noise on down shifts?
« Reply #1 on: April 11, 2011, 07:15:08 »
If it is a manual, then yes - still have no idea what it is and the sound has been there for years - will monitor this thread :-)
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1965 230 SL in silver (DB180)
1982 Land Rover Series III SWB
2008 Jaguar XF 3.0
2005 Mini Cooper

ja17

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Re: clunking noise on down shifts?
« Reply #2 on: April 11, 2011, 12:59:32 »
Hello bugeye and welcome,

Other issues can cause the clunk to become harsh.  The number one cause for a harsh down shift is improperly adjusted engine linkages.  Look through "The Linkage Tour"  (stickey) on the forumn or in the Tech Manual for the procedure to set up engine linkages correctly. Keep us up to date!

Joe
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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
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